Class CameraCalibration
- java.lang.Object
-
- algorithms.imageProcessing.transform.CameraCalibration
-
public class CameraCalibration extends java.lang.Object
estimate the camera intrinsic and extrinsic parameters using 3 images or more of the same objects with different camera poses. Following the algorithm of Ma, Chen, & Moore 2003 in "Camera Calibration: a USU Implementation" available as a preprint at arXiv https://arxiv.org/pdf/cs/0307072 Note that Ma et al. 2003 algorithm is based upon Zhang 1999 "Flexible Camera Calibration By Viewing a Plane From Unknown Orientations" available at https://www.microsoft.com/en-us/research/wp-content/uploads/2016/11/zhan99.pdf"one image observed by a camera can provide 2 constraints about this camera’s intrinsic parameters that are regarded to be unchanged here. With 3 images observed by the same camera, 6 constraints are established and we are able to recover the 5 intrinsic parameters. Once the intrinsic parameters are known, we can estimate the extrinsic parameters, the distortion coefficients (k1,k2), and put every initial guess of these parameters into some nonlinear optimization routine to get the final estimations.
- Author:
- nichole
-
-
Constructor Summary
Constructors Constructor Description CameraCalibration()
-
Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description (package private) static double[][]
applyRadialDistortion(double[][] xC, double k1, double k2, boolean useR2R4)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al.(package private) static double[]
applyRadialDistortion(double[] xCPt, double k1, double k2, boolean useR2R4)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al.(package private) static void
applyRadialDistortion(double[] xCPt, double k1, double k2, boolean useR2R4, double[] outputDistorted)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al.(package private) static void
calculateProjected(double[][] coordsW, double[][] h, double[] u, double[] v)
calculate the projection of world features in coordsW by the homography h into the image plane, storing the results in ud and vd.static Camera.CameraMatrices
estimateCamera(int n, double[][] coordsI, double[][] coordsW, boolean useR2R4)
estimate the intrinsic and extrinsic camera parameters.(package private) static double[][]
removeRadialDistortion(double[][] xC, double k1, double k2)
remove radial distortion from image.(package private) static double[][]
removeRadialDistortion(double[][] xC, double k1, double k2, boolean useR2R4)
remove radial distortion from image.(package private) static double[][]
removeRadialDistortion4(double[][] xC, double k1, double k2)
remove radial distortion from image.(package private) static Camera.CameraExtrinsicParameters
solveForExtrinsic(Camera.CameraIntrinsicParameters kIntr, double[][] h)
following Ma et al.(package private) static Camera.CameraExtrinsicParameters
solveForExtrinsic2(Camera.CameraIntrinsicParameters kIntr, double[] kRadial, double[][] coordsI, double[][] coordsW, boolean useR2R4)
following Wetzstein "EE 267 Virtual Reality Course Notes: 6-DOF Pose Tracking with the VRduino" estimate the extrinsic parameters(package private) static java.util.List<Camera.CameraExtrinsicParameters>
solveForExtrinsics(Camera.CameraIntrinsicParameters kIntr, double[][] h, int nImages)
(package private) static java.util.List<Camera.CameraExtrinsicParameters>
solveForExtrinsics2(Camera.CameraIntrinsicParameters kIntr, double[][] coordsI, double[][] coordsW, boolean useR2R4)
following EE 267 Virtual Reality Course Notes: 6-DOF Pose Tracking with the VRduino by Gordon Wetzstein(package private) static double[][]
solveForHomographies(double[][] coordsI, double[][] coordsW, int n, int nImages)
static double[][]
solveForHomography(double[][] coordsI, double[][] coordsW)
for a given set of feature coordinates in image reference frame and in world coordinate system, calculates the homography following the algorithm in Ma et al.(package private) static Camera.CameraIntrinsicParameters
solveForIntrinsic(double[][] h)
estimate the camera intrinsic parameters from the image homographies.(package private) static double[]
solveForRadialDistortion(double[][] uvD, double[] u, double[] v, Camera.CameraMatrices cameraMatrices, boolean useR2R4)
-
-
-
Field Detail
-
eps
public static final double eps
- See Also:
- Constant Field Values
-
eps2
public static final double eps2
- See Also:
- Constant Field Values
-
-
Method Detail
-
estimateCamera
public static Camera.CameraMatrices estimateCamera(int n, double[][] coordsI, double[][] coordsW, boolean useR2R4) throws no.uib.cipr.matrix.NotConvergedException, java.lang.Exception
estimate the intrinsic and extrinsic camera parameters. To refine the returned values, follow with PNP.solveForPose(...).- Parameters:
n
- n is the number of points in each image which is the same for all images. n is number of features.coordsI
- holds the image coordinates in pixels of features present in all images ordered in the same manner and paired with features in coordsW. It is a 2 dimensional double array of format 3 X (N*n) where N is the number of images. the first row is the x coordinates, the second row is the y coordinates, and the third row is "1"'s. The columns hold each image in order and within each image's columns are the features presented in the same order in each image. In Table 1 of Ma, Chen, & Moore 2003 "Camera Calibration" these are the (u_d, v_d) pairs.coordsW
- holds the world coordinates of features, ordered by the same features in the images. the first row is the X coordinates, the second row is the Y coordinates, and the third row is 1's (Z_w = 0, the scale factor is lost in the homography). It is a 2 dimensional double array of format 3 X nuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2.- Returns:
- camera intrinsic parameters, extrinsic parameters, and radial distortion coefficients
- Throws:
java.lang.Exception
- if there is an error in use of MPSolver during the removal of radial distortion, a generic exception is thrown with the error message from the MPSolve documentation.no.uib.cipr.matrix.NotConvergedException
-
solveForHomography
public static double[][] solveForHomography(double[][] coordsI, double[][] coordsW) throws no.uib.cipr.matrix.NotConvergedException
for a given set of feature coordinates in image reference frame and in world coordinate system, calculates the homography following the algorithm in Ma et al. 2003.- Parameters:
coordsI
- holds the image coordinates in pixels of features present in image icoordsW
- holds the world coordinates of features present in image 1 corresponding to the same features and order of coordsI_i- Returns:
- the homography, projection matrix
- Throws:
no.uib.cipr.matrix.NotConvergedException
-
solveForIntrinsic
static Camera.CameraIntrinsicParameters solveForIntrinsic(double[][] h) throws no.uib.cipr.matrix.NotConvergedException
estimate the camera intrinsic parameters from the image homographies.- Parameters:
h
- H as (3*NImages)x3 homography, projection matrices where each image homography is stacked row-wise- Returns:
- the camera intrinsic parameters.
- Throws:
no.uib.cipr.matrix.NotConvergedException
-
solveForExtrinsic
static Camera.CameraExtrinsicParameters solveForExtrinsic(Camera.CameraIntrinsicParameters kIntr, double[][] h) throws no.uib.cipr.matrix.NotConvergedException
following Ma et al. 2003 estimate the extrinsic parameters from the image of the absolute conic.- Parameters:
kIntr
- camera intrinsic parametersh
- homography for the projection for an image- Returns:
- Throws:
no.uib.cipr.matrix.NotConvergedException
-
solveForExtrinsic2
static Camera.CameraExtrinsicParameters solveForExtrinsic2(Camera.CameraIntrinsicParameters kIntr, double[] kRadial, double[][] coordsI, double[][] coordsW, boolean useR2R4) throws no.uib.cipr.matrix.NotConvergedException, java.lang.Exception
following Wetzstein "EE 267 Virtual Reality Course Notes: 6-DOF Pose Tracking with the VRduino" estimate the extrinsic parameters- Parameters:
kIntr
- camera intrinsic parameterskRadial
- an array holding the 2 radial distortion coefficients, or a null arraycoordsI
- holds the image coordinates in pixels of features present in image icoordsW
- holds the world coordinates of features present in image 1 corresponding to the same features and order of coordsI_iuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2. note that if rCoeffs is null or empty, no radial distortion is applied.- Returns:
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.lang.Exception
- if there is an error in use of MPSolver during the removal of radial distortion, a generic exception is thrown with the error message from the MPSolve documentation.
-
applyRadialDistortion
static double[][] applyRadialDistortion(double[][] xC, double k1, double k2, boolean useR2R4)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al. 2003) for the distortion function expressed as f(r) = 1 + k1*r + k2*r^2 (which is equation #3 in Table 2 of Ma et al. 2004). In terms of the variables outlined below, the algorithm input is (x, y), k1, k2, and cameraIntrinsics and the output is (x_d, y_d). TODO: consider overloading this method to implement equation #4.Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients and the projection equation variables: [X_c,Y_c,Z_c]^T denotes a point in the camera frame which is related to the corresponding point [X_w, Y_w, Z_w]^T in the world reference frame by P_c = R P_w + t R is thr rotation matrix t is the translation vector lambda * [u] = K [R|t] [X_w] = K [X_c] [v] [Y_w] [Y_c] [1] [Z_w] [Z_c] [1 ] ==> To Apply Radial Distorion, given coefficients k1, k2 and coordinates (eqn 7) r_d = r * f(r) = r*(1 + k1*r + k2*r^2 + k3*r^3 + ...) (eqn 8) using only 2 coeffs: f(r) = (1 + k1*r + k2*r^2) Ma et al. 2003 distortion model: x_d = x * f(r) y_d = y * f(r) ==> Radial Undistortion: solve for cubic roots https://en.wikipedia.org/wiki/Cubic_equation#Reduction_to_a_depressed_cubic though authors use Pearson's 1983 version of Handbook of Applied Mathematics: Selected Results and Methods from k2*r^3 +k1*r^2 +r - r_d = 0 solve r_bar^3 + r_bar*p + q = 0 where r_bar = r + (a/3) a = k1/k2 b = 1/k2 c = −r_d/k2 p = b − (a^2/3) q = (2a^3)/27 − ab/3 + c then use depressed cubic root to solve for r_bar. r = r_bar = (a/3) After r is determined, (u,v) can be calculated from (Eqn 5) which is u_d - u_0 = (u−u_0) * f(r) v_d − v_0 = (v−v_0) * f(r) Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. pincushion distortion to a positive value of k1. NOTE that Drap et al. also apply the camera intrinsics, but they use a focal length of "1".
- Parameters:
xC
- distortion-free camera centered coordinates. format is 3XN where N is the number of points. In terms of Table 1 of Chen et al. 2004, this is a double array of (x, y).k1
- first radial distortion coefficientk2
- second radial distortion coefficientuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2.- Returns:
- distorted camera centered coordinates in format 3XN where N is the number of points. In terms of Table 1 of Chen et al. 2004, this is a double array of (x_d, y_d).
-
applyRadialDistortion
static double[] applyRadialDistortion(double[] xCPt, double k1, double k2, boolean useR2R4)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al. 2003) for the distortion function expressed as f(r) = 1 + k1*r + k2*r^2 (which is equation #3 in Table 2 of Ma et al. 2004). In terms of the variables outlined below, the algorithm input is (x, y), k1, k2, and cameraIntrinsics and the output is (x_d, y_d). TODO: consider overloading this method to implement equation #4.Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients and the projection equation variables: [X_c,Y_c,Z_c]^T denotes a point in the camera frame which is related to the corresponding point [X_w, Y_w, Z_w]^T in the world reference frame by P_c = R P_w + t R is thr rotation matrix t is the translation vector lambda * [u] = K [R|t] [X_w] = K [X_c] [v] [Y_w] [Y_c] [1] [Z_w] [Z_c] [1 ] ==> To Apply Radial Distortion, given coefficients k1, k2 and coordinates (eqn 7) r_d = r * f(r) = r*(1 + k1*r + k2*r^2 + k3*r^3 + ...) (eqn 8) using only 2 coeffs: f(r) = (1 + k1*r + k2*r^2) Ma et al. 2003 distortion model: x_d = x * f(r) y_d = y * f(r) ==> Radial Undistortion: solve for cubic roots https://en.wikipedia.org/wiki/Cubic_equation#Reduction_to_a_depressed_cubic though authors use Pearson's 1983 version of Handbook of Applied Mathematics: Selected Results and Methods from k2*r^3 +k1*r^2 +r - r_d = 0 solve r_bar^3 + r_bar*p + q = 0 where r_bar = r + (a/3) a = k1/k2 b = 1/k2 c = −r_d/k2 p = b − (a^2/3) q = (2a^3)/27 − ab/3 + c then use depressed cubic root to solve for r_bar. r = r_bar = (a/3) After r is determined, (u,v) can be calculated from (Eqn 5) which is u_d - u_0 = (u−u_0) * f(r) v_d − v_0 = (v−v_0) * f(r) Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. pincushion distortion to a positive value of k1. NOTE that Drap et al. also apply the camera intrinsics, but they use a focal length of "1".
- Parameters:
xCPt
- distortion-free camera centered coordinates for a point. The length is 3. In terms of Table 1 of Chen et al. 2004, this is a double array of (x, y).k1
- first radial distortion coefficientk2
- second radial distortion coefficientuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2.- Returns:
- distorted camera centered coordinates in format 3XN where N is the number of points. In terms of Table 1 of Chen et al. 2004, this is a double array of (x_d, y_d).
-
applyRadialDistortion
static void applyRadialDistortion(double[] xCPt, double k1, double k2, boolean useR2R4, double[] outputDistorted)
apply radial distortion to distortion-free camera centered coordinates using the algorithm of Ma, Chen & Moore (which is Ma et al. 2003) for the distortion function expressed as f(r) = 1 + k1*r + k2*r^2 (which is equation #3 in Table 2 of Ma et al. 2004). In terms of the variables outlined below, the algorithm input is (x, y), k1, k2, and cameraIntrinsics and the output is (x_d, y_d). TODO: consider overloading this method to implement equation #4.Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients and the projection equation variables: [X_c,Y_c,Z_c]^T denotes a point in the camera frame which is related to the corresponding point [X_w, Y_w, Z_w]^T in the world reference frame by P_c = R P_w + t R is thr rotation matrix t is the translation vector lambda * [u] = K [R|t] [X_w] = K [X_c] [v] [Y_w] [Y_c] [1] [Z_w] [Z_c] [1 ] ==> To Apply Radial Distortion, given coefficients k1, k2 and coordinates (eqn 7) r_d = r * f(r) = r*(1 + k1*r + k2*r^2 + k3*r^3 + ...) (eqn 8) using only 2 coeffs: f(r) = (1 + k1*r + k2*r^2) Ma et al. 2003 distortion model: x_d = x * f(r) y_d = y * f(r) ==> Radial Undistortion: solve for cubic roots https://en.wikipedia.org/wiki/Cubic_equation#Reduction_to_a_depressed_cubic though authors use Pearson's 1983 version of Handbook of Applied Mathematics: Selected Results and Methods from k2*r^3 +k1*r^2 +r - r_d = 0 solve r_bar^3 + r_bar*p + q = 0 where r_bar = r + (a/3) a = k1/k2 b = 1/k2 c = −r_d/k2 p = b − (a^2/3) q = (2a^3)/27 − ab/3 + c then use depressed cubic root to solve for r_bar. r = r_bar = (a/3) After r is determined, (u,v) can be calculated from (Eqn 5) which is u_d - u_0 = (u−u_0) * f(r) v_d − v_0 = (v−v_0) * f(r) Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. pincushion distortion to a positive value of k1. NOTE that Drap et al. also apply the camera intrinsics, but they use a focal length of "1".
- Parameters:
xCPt
- distortion-free camera centered coordinates for a point. The length is 3. In terms of Table 1 of Chen et al. 2004, this is a double array of (x, y).k1
- first radial distortion coefficientk2
- second radial distortion coefficientuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2.outputDistorted
- distorted camera centered coordinates in format 3XN where N is the number of points. In terms of Table 1 of Chen et al. 2004, this is a double array of (x_d, y_d).
-
removeRadialDistortion
static double[][] removeRadialDistortion(double[][] xC, double k1, double k2, boolean useR2R4) throws no.uib.cipr.matrix.NotConvergedException, java.io.IOException
remove radial distortion from image. The algorithm follows Ma, Chen, & Moore 2004. In terms of the variables outlined in comments below, the algorithm input is distorted points as a double array of (x_d, x_d), and the radial distortion coefficients k1, k2. The output is a double array of (x, y). Choices for the distortion function are models #3 and #4.Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. pincushion distortion to a positive value of k1.
- Parameters:
xC
- distorted points in the camera reference frame, presumably already center subtracted. format is 3XN where N is the number of points. These are (x_d, x_d) pairs in terms of Table 1 in Ma et al. 2004.k1
- first radial distortion coefficientk2
- second radial distortion coefficientuseR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2. note that if rCoeffs is null or empty, no radial distortion is removed.- Returns:
- undistorted points in the camera reference frame. Format is 3XN where N is the number of points. These are (x, y) pairs in terms of Table 1 in Ma et al. 2004.
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.io.IOException
-
removeRadialDistortion
static double[][] removeRadialDistortion(double[][] xC, double k1, double k2) throws no.uib.cipr.matrix.NotConvergedException, java.io.IOException
remove radial distortion from image. The algorithm follows Ma, Chen, & Moore 2004 and is for model #3, f(r) = 1 + k1*r + k2*r^2. In terms of the variables outlined in comments below, the algorithm input is distorted points as a double array of (x_d, x_d), and the radial distortion coefficients k1, k2. The output is a double array of (x, y).Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. pincushion distortion to a positive value of k1.
- Parameters:
xC
- distorted points in the camera reference frame, presumably already center subtracted. format is 3XN where N is the number of points. These are (x_d, x_d) pairs in terms of Table 1 in Ma et al. 2004.k1
- first radial distortion coefficientk2
- second radial distortion coefficient- Returns:
- undistorted points in the camera reference frame. Format is 3XN where N is the number of points. These are (x, y) pairs in terms of Table 1 in Ma et al. 2004.
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.io.IOException
-
removeRadialDistortion4
static double[][] removeRadialDistortion4(double[][] xC, double k1, double k2) throws no.uib.cipr.matrix.NotConvergedException, java.io.IOException
remove radial distortion from image. The algorithm follows Ma, Chen, & Moore 2004 and is for model #4, f(r) = 1 + k1*r^2 + k2*r^4. In terms of the variables outlined in comments below, the algorithm input is distorted points as a double array of (x_d, x_d), and the radial distortion coefficients k1, k2. The output is a double array of (x, y).Ma, Chen & Moore 2004, "Rational Radial Distortion Models of Camera Lenses with Analytical Solution for Distortion Correction." International Journal of Information Acquisition · June 2004 defining variables: K : camera intrinsics matrix (u_d, v_d) : Distorted image point in pixel (u, v) : Distortion-free image point in pixel (x_d, y_d) : [x_d, y_d, 1]^T = K^−1[u_d, v_d, 1]^T (x, y) : [x, y, 1]^T = K^−1[u, v, 1]^T r_d : r_d^2 = x_d^2 + y_d^2 r : r^2 = x^2 + y^2 k1, k2, ... : Radial distortion coefficients Useful reading is also: Drap et al, "An Exact Formula for Calculating Inverse Radial Lens Distortions" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4934233/ Radial distortion is caused by the spherical shape of the lens, whereas tangential distortion is caused by the decentering and non-orthogonality of the lens components with respect to the optical axis ...Barrel distortion can be physically present in small focal length systems, while larger focal lengths can result in pincushion distortion ... barrel distortion corresponds to a negative value of k1. present in small focal length systems. pincushion distortion to a positive value of k1. present in larger focal length systems
- Parameters:
xC
- distorted points in the camera reference frame, presumably already center subtracted. format is 3XN where N is the number of points. These are (x_d, x_d) pairs in terms of Table 1 in Ma et al. 2004.k1
- first radial distortion coefficientk2
- second radial distortion coefficient- Returns:
- undistorted points in the camera reference frame. Format is 3XN where N is the number of points. These are (x, y) pairs in terms of Table 1 in Ma et al. 2004.
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.io.IOException
-
calculateProjected
static void calculateProjected(double[][] coordsW, double[][] h, double[] u, double[] v)
calculate the projection of world features in coordsW by the homography h into the image plane, storing the results in ud and vd. The method follows eqn (17) of Ma, Chen, & Moore 2003 "Camera Calibration".- Parameters:
coordsW
- the coordinates of the features in world reference frame. size is 3 X n.h
- the homography. size is (nImages*3) X 3u
- output projected image x coordinates for all images. length is (n*nImages).v
- output projected image y coordinated for all images. length is (n*nImages).
-
solveForRadialDistortion
static double[] solveForRadialDistortion(double[][] uvD, double[] u, double[] v, Camera.CameraMatrices cameraMatrices, boolean useR2R4) throws no.uib.cipr.matrix.NotConvergedException, java.lang.Exception
- Parameters:
uvD
- (ud, vd) are the Real observed distorted image points. uvD holds the features in each image in pixel coordinates ordered such that all features of one image are followed by all features of the next image. the x-axis coordinates are in row 0. the y-axis coordinates are in row 1. the third row is all 1's. It is a 2 dimensional double array of size 3 X (N*n) where N is the number of images. In Table 1 of Ma, Chen, & Moore 2003 "Camera Calibration" these are the (u_d, v_d) pairs.u
- projections of the WCS feature x coordinates into the image reference frame. array length is n*nImagesv
- projections of the WCS feature y coordinates into the image reference frame. array length is n*nImagescameraMatrices
- data structure holding the camera intrinsic parameters and the extrinsic parameter matrices for each image.useR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2.- Returns:
- Throws:
java.lang.Exception
- if there is an error in use of MPSolver during the removal of radial distortion, a generic exception is thrown with the error message from the MPSolve documentation.no.uib.cipr.matrix.NotConvergedException
-
solveForHomographies
static double[][] solveForHomographies(double[][] coordsI, double[][] coordsW, int n, int nImages) throws no.uib.cipr.matrix.NotConvergedException
- Throws:
no.uib.cipr.matrix.NotConvergedException
-
solveForExtrinsics
static java.util.List<Camera.CameraExtrinsicParameters> solveForExtrinsics(Camera.CameraIntrinsicParameters kIntr, double[][] h, int nImages) throws no.uib.cipr.matrix.NotConvergedException, java.lang.Exception
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.lang.Exception
-
solveForExtrinsics2
static java.util.List<Camera.CameraExtrinsicParameters> solveForExtrinsics2(Camera.CameraIntrinsicParameters kIntr, double[][] coordsI, double[][] coordsW, boolean useR2R4) throws no.uib.cipr.matrix.NotConvergedException, java.lang.Exception
following EE 267 Virtual Reality Course Notes: 6-DOF Pose Tracking with the VRduino by Gordon Wetzstein- Parameters:
kIntr
-coordsI
-coordsW
-useR2R4
- use radial distortion function from Ma et al. 2004 for model #4 in Table 2, f(r) = 1 +k1*r^2 + k2*r^4 if true, else use model #3 f(r) = 1 +k1*r + k2*r^2. note that if rCoeffs is null or empty, no radial distortion is applied.- Returns:
- Throws:
no.uib.cipr.matrix.NotConvergedException
java.lang.Exception
- if there is an error in use of MPSolver during the removal of radial distortion, a generic exception is thrown with the error message from the MPSolve documentation.
-
-


AUSTIN POWERS: INTERNATIONAL MAN OF MYSTERY A film review by Eric C. Robinette Copyright 1997 Eric C. Robinette
B
Starring Mike Myers, Elizabeth Hurley, Michael York, Robert Wagner, and Mimi Rogers.
Written by Myers Directed by Jay Roach.
And the award for Resurrection of the Year goes to Mike Myers, who proves he can still be funny even with a bad wig and teeth that make him look like Martin Short.
When I first saw the ads for the movie, I thought Myers was going to be stuck in former SNL cast member movie oblivion. Thankfully, Austin Powers turned out to be a pleasant surprise because it works as both a joke-a-minute satire, and a fish-out-of-water story.
Luckily, writer-star Myers still knows how to wear comic stupidity proudly, and he wisely uses the "throw everything at the wall and see what sticks" method in this story of a woman-crazl British sws of the 60n't go ove ftoo well in this day and age.
It's all fairly thin stuff, but Myers clearly loves the mid-60s spy films he's spoofing, which makes the comedy go a long way. It also helps that I also love those films and got most of the jokes. Some of those films were so grandiose and bloated, they beg to be comedy targets, and most of the time, Myers, who also wrote, hits the bulls-eye. His characterization of Dr. Evil as a nervous nebbish who subscribes religiously to the Fallacy of the Talking Killer and other villainous clichis is especially funny. The standard gadgetry scene is targeted when a tube of toothpaste, a toothbrush, and dental floss turn out to be...
Plastic explosive, wire, and a detonator? No-- a tube of toothpaste, a toothbrush, and dental floss.
The biggest surprise for me was how well the fish-out-of water jokes worked. Besides offering great sight gags, such as Powers trying to play a CD on a turntable, the device gives the gags something to hang on, and even gives the character some gravity. So help me, the relationship between him and Elizabeth Hurley actually had a little feeling to it. Hurley herself also proves to play a good straight-woman to Power's antics, making an effective comic foil.
What helps most of all, though, is the sheer number of the jokes. Because Myers cracks so many, even the lamer gags, such as the strategic placing of phallic and globular objects in the "nude scene," are funny because of his willingness to try anything for a laugh.
It brings to mind the image of Myers as Dr. Evil, with me laying on a table, with a laughing gas cannon aimed at my head.
"Do you expect me to rave about yo objects in the nufeancly.
"No, Mr. Robinette of his willingness to try anything for a laugh.
It brings to mind the image of Myers as Dr. Evil, with me laying on a table, with a laughing gas cannon aimed at my head.
"Do you expect me to rave about your movie?" I ask defiantly.
"No, Mr. Robinette, I expect you to laugh," he responds.
What can I say? It worked.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


This week we have been learning Javascript, and an important part of that is discerning the differences between it and the other language we have been learning: Ruby. In this blog post I will be talking about the differences in how Javascript and Ruby handle objects.
The two languages each have two roughly equivalent structures: A Javascript "object" corresponds to a Ruby "hash" and a Ruby "class" corresponds to a Javascript "prototype". What changes is precisely where certain pieces of functionality reside:
A Ruby hash is a method of storing data, and can do little else. This is not to say that there aren't methods inherent in hashes that a programmer can take advantage of, but those cannot be added to at this level of programming. Instead they have to create or modify a Ruby class if they want to have special logic apply to the hash that they created. Javascript, on the other hand makes all that functionality available to its objects without needing any special steps. The purpose of a prototype is rather to allow the programmer to rapidly create numerous related objects quickly and with minimal repetition, not to give access to a wider variety of commands.
This seems to be a fairly common phenomena, namely that Javascript lets a programmer do a wider variety of things, but it also has worse error handling that makes it a pain to debug. Trying to fix other people's Javascript in the future is going to be...interesting.


Mouse over a cursor name to view your corresponding cursor. Your screen seems to be too small to support a mouse. But we could be wrong!
Mouse over a cursor name to view your corresponding cursor. Your screen seems to be too small to support a mouse. But we could be wrong!


Where is the 5th pig?
by Mark FrauenfelderThis is an anti-fascist puzzle made in occupied Netherlands circa 1940. Can you find the 5th pig? (Hint: Al Jaffee would have no problem finding it.)
[via r/interestingasfuck]
This is an anti-fascist puzzle made in occupied Netherlands circa 1940. Can you find the 5th pig? (Hint: Al Jaffee would have no problem finding it.)
[via r/interestingasfuck]


Claim number: 352MC733
{% if data['defendant'] == 1.1 %}
You have not responded to this claim.
The response deadline is at 4pm (14 days remaining).
{% elseif data['defendant'] == 1 %}Your response is being processed.
We will email you to explain what to do next.
{% elseif data['defendant'] == 12 %}You have a County Court Judgment (CCJ) against you
You didn't respond to this claim by the deadline of 30 September 2017. A default CCJ was issued on 1 October 2017.
You must pay Jan Clark £1,500. Find out how to pay your CCJ.
More options
I didn't get the claim - apply to cancel the CCJI've paid the claim - remove the CCJ from register {% elseif data['defendant'] == 2 %}
A CCJ has been issued against you.
Jan Clark requested a County Court Judgment (CCJ) against you on 17 October. We will contact you both within 5 days.
You can no longer respond to the claim.
{% elseif data['defendant'] == 3 %}Your response.
We've emailed Jan Clark telling them that you will pay their money claim immediately.
What happens next
When Jan Clark gets your payment they must tell you and the court you’ve paid their money claim.
{% elseif data['defendant'] == 4 %}Your response.
We've emailed Jan Clark your instalment plan.
What happens next
Jan Clark needs to respond to your suggested instalment plan on or before . We’ll contact you when Jan Clark responds.
{% elseif data['defendant'] == 5 %}Your offer has been sent.
We've emailed Jan Clark your offer to pay the money claim on and your explanation of why you can’t pay before then.
What happens next
They need to respond to your offer on or before .
If Jan Clark rejects your offer to pay by a set date then the court will decide how you can pay.
{% elseif data['defendant'] == 6 %}Mediation request.
The claimant has requested mediation to help settle this dispute.
{% elseif data['defendant'] == 7 %}Mediation accepted.
A mediator will contact both the claimant and you within the next 14 days to arrange an appointment.
{% elseif data['defendant'] == 8 %}Mediation rejected.
You have rejected the claimants offer of mediation. We will notify you once the claimant responds.
{% elseif data['defendant'] == 9 %}View counter offer.
The claimant has made a counter offer.
{% elseif data['defendant'] == 10 %}
You have not responded to this claim.
The response deadline is at 4pm (14 days remaining).
{% elseif data['defendant'] == 11 %}Offer sent.
You sent an offer to the claimant. View your offer
{% else %}Your defence is being processed.
We will email you to explain what to do next.
{% endif %} {% if data['defendant'] == 10 %}Claim history
Claim history
You have 2 events in your claim history
Claim history
You have 3 events in your claim history
Claim history
You have 3 events in your claim history
Claim history
You have 2 events in your claim history
Claim history
More options
{% endif %} {% if data['defendant'] == 10 %}Make an offer to settle the claim
You made an offer to Claimant on
{% elseif data['defendant'] == 1.1 or data['defendant'] == 2 or data['defendant'] == 12%} {% else %}Settle out of court
You can still make an offer to settle the claim out of court. You will avoid a hearing and a County Court Judgment against you.
{% endif %} {% if data['defendant'] == 1 or data['defendant'] == 3 or data['defendant'] == 4 or data['defendant'] == 5 or data['defendant'] == 8 or data['defendant'] == 9 or data['defendant'] == 11 %}Request mediation
Request free telephone mediation. Many people resolve their dispute before a hearing by taking part in a telephone mediation.
{% endif %}


You can jump to the latest bin by adding /latest
to your URL
| Shortcut | Action |
|---|---|
| ctrl + [num] | Toggle nth panel |
| ctrl + 0 | Close focused panel |
| ctrl + enter | Re-render output. If console visible: run JS in console |
| Ctrl + l | Clear the console |
| ctrl + / | Toggle comment on selected lines |
| ctrl + [ | Indents selected lines |
| ctrl + ] | Unindents selected lines |
| tab | Code complete & Emmet expand |
| ctrl + shift + L | Beautify code in active panel |
| ctrl + s | Save & lock current Bin from further changes |
| ctrl + shift + s | Open the share options |
| ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |


Usage:
{% paginate entries %}
After this call, the entries variable in the template context is replaced by only the entries of the current page.
You can also keep your entries original variable (usually a queryset) and add to the context another name that refers to entries of the current page, e.g.:
{% paginate entries as page_entries %}
The as argument is also useful when a nested context variable is provided as queryset. In this case, and only in this case, the resulting variable name is mandatory, e.g.:
{% paginate entries.all as entries %}
The number of paginated entries is taken from settings, but you can override the default locally, e.g.:
{% paginate 20 entries %}
Of course you can mix it all:
{% paginate 20 entries as paginated_entries %}
By default, the first page is displayed the first time you load the page, but you can change this, e.g.:
{% paginate entries starting from page 3 %}
When changing the default page, it is also possible to reference the last page (or the second last page, and so on) by using negative indexes, e.g:
{% paginate entries starting from page -1 %}
This can be also achieved using a template variable that was passed to the context, e.g.:
{% paginate entries starting from page page_number %}
If the passed page number does not exist, the first page is displayed. Note that negative indexes are specific to the {% paginate %} tag: this feature cannot be used when contents are lazy paginated (see lazy_paginate below).
If you have multiple paginations in the same page, you can change the querydict key for the single pagination, e.g.:
{% paginate entries using article_page %}
In this case article_page is intended to be a context variable, but you can hardcode the key using quotes, e.g.:
{% paginate entries using 'articles_at_page' %}
Again, you can mix it all (the order of arguments is important):
{% paginate 20 entries starting from page 3 using page_key as paginated_entries %}
Additionally you can pass a path to be used for the pagination:
{% paginate 20 entries using page_key with pagination_url as paginated_entries %}
This way you can easily create views acting as API endpoints, and point your Ajax calls to that API. In this case pagination_url is considered a context variable, but it is also possible to hardcode the URL, e.g.:
{% paginate 20 entries with "/mypage/" %}
If you want the first page to contain a different number of items than subsequent pages, you can separate the two values with a comma, e.g. if you want 3 items on the first page and 10 on other pages:
{% paginate 3,10 entries %}
You must use this tag before calling the show_more, get_pages or show_pages ones.
Paginate objects without hitting the database with a select count query. Usually pagination requires hitting the database to get the total number of items to display. Lazy pagination avoids this select count query and results in a faster page load, with a disadvantage: you won’t know the total number of pages in advance.
Use this in the same way as paginate tag when you are not interested in the total number of pages.
The lazy_paginate tag can take all the args of the paginate one, with one exception: negative indexes can not be passed to the starting from page argument.
Show the link to get the next page in a Twitter-style Pagination. Usage:
{% show_more %}
Alternatively you can override the label passed to the default template:
{% show_more "even more" %}
You can override the loading text too:
{% show_more "even more" "working" %}
Must be called after paginate or lazy_paginate.
Usage:
{% get_pages %}
This is mostly used for Digg-style pagination.
This call inserts in the template context a pages variable, as a sequence of page links. You can use pages in different ways:
{{ pages }}
{{ pages|length }}
{{ pages.paginated }}
{# the following is equivalent #}
{{ pages|length > 1 }}
{# the current selected page #}
{{ pages.current }}
{# the first page #}
{{ pages.first }}
{# the last page #}
{{ pages.last }}
{# the previous page (or nothing if you are on first page) #}
{{ pages.previous }}
{# the next page (or nothing if you are in last page) #}
{{ pages.next }}
{# the third page #}
{{ pages.3 }}
{# this means page.1 is the same as page.first #}
{# the 1-based index of the first item on the current page #}
{{ pages.current_start_index }}
{# the 1-based index of the last item on the current page #}
{{ pages.current_end_index }}
{# the total number of objects, across all pages #}
{{ pages.total_count }}
{# the first page represented as an arrow #}
{{ pages.first_as_arrow }}
{# the last page represented as an arrow #}
{{ pages.last_as_arrow }}
{% for page in pages %}
{# display page link #}
{{ page }}
{# the page url (beginning with "?") #}
{{ page.url }}
{# the page path #}
{{ page.path }}
{# the page number #}
{{ page.number }}
{# a string representing the page (commonly the page number) #}
{{ page.label }}
{# check if the page is the current one #}
{{ page.is_current }}
{# check if the page is the first one #}
{{ page.is_first }}
{# check if the page is the last one #}
{{ page.is_last }}
{% endfor %}
You can change the variable name, e.g.:
{% get_pages as page_links %}
This must be called after paginate or lazy_paginate.
Show page links. Usage:
{% show_pages %}
It is just a shortcut for:
{% get_pages %}
{{ pages }}
You can set ENDLESS_PAGINATION_PAGE_LIST_CALLABLE in your settings.py to a callable used to customize the pages that are displayed. ENDLESS_PAGINATION_PAGE_LIST_CALLABLE can also be a dotted path representing a callable, e.g.:
ENDLESS_PAGINATION_PAGE_LIST_CALLABLE = 'path.to.callable'
The callable takes the current page number and the total number of pages, and must return a sequence of page numbers that will be displayed.
The sequence can contain other values:
Here is an example of a custom callable that displays the previous page, then the first page, then a separator, then the current page, and finally the last page:
def get_page_numbers(current_page, num_pages):
return ('previous', 1, None, current_page, 'last')
If ENDLESS_PAGINATION_PAGE_LIST_CALLABLE is None the internal callable endless_pagination.utils.get_page_numbers is used, generating a Digg-style pagination.
An alternative implementation is available: endless_pagination.utils.get_elastic_page_numbers: it adapts its output to the number of pages, making it arguably more usable when there are many of them.
This must be called after paginate or lazy_paginate.
Show the current page number, or insert it in the context.
This tag can for example be useful to change the page title according to the current page number.
To just show current page number:
{% show_current_number %}
If you use multiple paginations in the same page, you can get the page number for a specific pagination using the querystring key, e.g.:
{% show_current_number using mykey %}
The default page when no querystring is specified is 1. If you changed it in the paginate template tag, you have to call show_current_number according to your choice, e.g.:
{% show_current_number starting from page 3 %}
This can be also achieved using a template variable you passed to the context, e.g.:
{% show_current_number starting from page page_number %}
You can of course mix it all (the order of arguments is important):
{% show_current_number starting from page 3 using mykey %}
If you want to insert the current page number in the context, without actually displaying it in the template, use the as argument, i.e.:
{% show_current_number as page_number %}
{% show_current_number starting from page 3 using mykey as page_number %}


Online Reo editor
Show geometry metadata comments
Please use a browser that supports canvas.
Your browser does not support or has disabled
Javascript or
the <canvas> element, which is required for this application
Channels
×
Create Channel
{}


who are you sending money to?
Dheeraj
how much money?
₹ 410
Fast and reliable
Easy
to use
Safe and Secure
We don't charge anything.
Divide expenses with your friends like a pro. You can settle up your transaction at cost of nothing. Just start using the easy system given on the right and get started in no time. And the best part? It's free to use.
Our Team
Ayushman Dey
Dheeraj Lalwani
Raghu Tiwari
About us
Did you ever plan on having a fun night out only to be disappointed at the end of it, just because of cash hassles?  Is that something that you and your friends can relate to? If yes, then we have a solution. Udhaarify is an open source software which uses an algorithm to settle those pesky bills for you, making group outings way more awesome. You can customize the bill the way you want, and thus can add bills of varying complexity, we'll solve it all for you.So go ahead and register, why wait?


Deuteronomy 4:42
That the slayer might flee thither, which should kill his neighbor unawares, and hated him not in times past; and that fleeing unto one of these cities he might live:


Step 1: Your details
Name
Email
Phone
Step 1: Delivery Address
Address
Post code
Country
Step 1: Card Details
Card type
VISA
AmEx
Mastercard
Card number
Security code
Name on card
BUY IT!


Perrin returned to his room by the back way, and after a time Simion came up with a covered tray. The cloth did not hold in the smells of roasted mutton, sweetbeans, turnips, and freshly baked bread, but Perrin lay on his bed, staring at the whitewashed ceiling, until the aromas grew cold. Images of Noam ran through his head over and over again. Noam chewing at the wooden slats. Noam running off into the darkness. He tried to think of lock-making, of the careful quenching and shaping of the steel, but it did not work.
Ignoring the tray, he rose and made his way down the hall to Moiraine’s room. She answered his rap on the door with, “Come in, Perrin.”
For an instant all the old stories about Aes Sedai stirred again, but he pushed them aside and opened the door.
Moiraine was alone—for which he was grateful—sitting with an ink bottle balanced on her knee, writing in a small, leather-bound book. She corked the bottle and wiped the steel nib of her pen on a small scrap of parchment without looking at him. There was a fire in the fireplace.
“I have been expecting you for some time,” she said. “I have not spoken about this before because it was obvious you did not want me to. After tonight, though . . . What do you want to know?”
“Is that what I can expect?” he asked. “To end like that?”
“Perhaps.”
He waited for more, but she only put pen and ink away in their small case of polished rosewood and blew on her writing to dry it. “Is that all? Moiraine, don’t give me slippery Aes Sedai answers. If you know something, tell me. Please.”
“I know very little, Perrin. While searching for other answers among the books and manuscripts two friends keep for their researches, I found a copied fragment of a book from the Age of Legends. It spoke of . . . situations like yours. That may be the only copy anywhere in the world, and it did not tell me much.”
“What did it tell you? Anything at all is more than I know now. Burn me, I’ve been worrying about Rand going mad, but I never thought I had to worry about myself!”
“Perrin, even in the Age of Legends, they knew little of this. Whoever wrote it seemed uncertain whether it was truth or legend. And I only saw a fragment, remember.  Whether she meant one in ten, or five, or nine, I do not know.”
“I can shut them out. I don’t know how I do it, but I can refuse to listen to them. I can refuse to hear them. Will that help?”
“It may.” She studied him, seeming to choose her words carefully. “Mostly, she wrote of dreams. Dreams can be dangerous for you, Perrin.”
“You said that once before. What do you mean?”
“According to her, wolves live partly in this world, and partly in a world of dreams.”
“A world of dreams?” he said disbelievingly.
Moiraine gave him a sharp look. “That is what I said, and that is what she wrote. The way wolves talk to one another, the way they talk to you, is in some way connected to this world of dreams. I do not claim to understand how.” She paused, frowning slightly. “From what I have read of Aes Sedai who had the Talent called Dreaming, Dreamers sometimes spoke of encountering wolves in their dreams, even wolves that acted as guides. I fear you must learn to be as careful sleeping as waking, if you intend to avoid wolves. If that is what you decide to do.”
“If that is what I decide? Moiraine, I will not end up like Noam. I won’t!”
 “You speak as if you can make all your own choices, Perrin. You are ta’veren, remember.” He turned his back on her, staring at the night-dark windows, but she continued. “Perhaps, knowing what Rand is, knowing how strongly ta’veren he is, I have paid too little attention to the other two ta’veren I found with him. Three ta’veren in the same village, all born within weeks of one another? That is unheard of. Perhaps you—and Mat—have larger purposes in the Pattern than you, or I, thought.”
“I do not want any purpose in the Pattern,” Perrin muttered. “I surely can’t have one if I forget I am a man. Will you help me, Moiraine?” It was hard to say that. What if it means her using the One Power? Would I rather forget I’m a man? “Help me keep from—losing myself?”
“If I can keep you whole, I will. I promise you that, Perrin. But I will not endanger the struggle against the Shadow. You must know that, too.”
When he turned to look at her, she was regarding him unblinkingly. And if your struggle means putting me in my grave tomorrow, will you do that, too? He was icily sure that she would. “What have you not told me?”
“Do not presume too far, Perrin,” she said coldly. “Do not press me further than I think proper.”
He hesitated before asking the next question. “Can you do for me what you did for Lan? Can you shield my dreams?”
“I already have a Warder, Perrin.” Her lips quirked almost into a smile. “And one is all I will have. I am of the Blue Ajah, not the Green.”
“You know what I mean. I don’t want to be a Warder.” Light, bound to an Aes Sedai the rest of my life? That’s as bad as the wolves.
“It would not aid you, Perrin. The shielding is for dreams from the outside. The danger in your dreams is within you.” She opened the small book again. “You should sleep,” she said in dismissal. “Be wary of your dreams, but you must sleep sometime.” She turned a page, and he left.
Back in his own room, he eased the hold he kept on himself, eased it just a trifle, let his senses spread. The wolves were out there still, beyond the edges of the village, ringing Jarra. Almost immediately he snapped back to rigid self-control. “What I need is a city,” he muttered. That would keep them at bay. After I find Rand. After I finish whatever has to be finished with him. He was not sure how sorry he was that Moiraine could not shield him. The One Power or the wolves; that was a choice no man should have to make.
He left the fire laid on the hearthstone unlit, and threw open both windows. Cold night air rushed in. Tossing blankets and comforter on the floor, he lay down fully clothed on the lumpy bed, not bothering to try to find a comfortable position. His last thought before sleep came was that if anything would keep him from deep sleep and dangerous dreams, that mattress would.
He was in a long hallway, its high stone ceiling and walls glistening with damp and streaked by odd shadows. They lay in contorted strips, stopping as abruptly as they began, too dark for the light between them. He had no idea where the light came from.
“No,” he said, then louder, “No! This is a dream. I need to wake up. Wake up!”
The hallway did not change.
Danger. It was a wolf’s thought, faint and distant.
“I will wake up. I will!” He pounded a fist against the wall. It hurt, but he did not wake. He thought one of the sinuous shadows shifted away from his blow.
Run, brother. Run.
“Hopper?” he said wonderingly. He was sure he knew the wolf whose thoughts he heard. Hopper, who had envied the eagles. “Hopper is dead!”
Run!
Perrin lurched into a run, one hand holding his axe to keep the haft from banging against his leg. He had no idea where he was running, or why, but the urgency of Hopper’s sending could not be ignored. Hopper’s dead, he thought. He’s dead! But Perrin ran.
Other hallways crossed the one he ran along, at odd angles, sometimes descending, sometimes climbing. None looked any different from the passage he was in, though. Damp stone walls unbroken by doors, and strips of darkness.
As he came on one of those crossing halls, he skidded to a halt. A man stood there, blinking at him uncertainly, in strangely cut coat and breeches, the coat flaring over his hips as the bottoms of the breeches flared over his boots. Both were bright yellow, and his boots were only a little paler.
“This is more than I can stand,” the man said, to himself, not Perrin. He had an odd accent, quick and sharp. “Not only do I dream of peasants, now, but foreign peasants, from those clothes. Begone from my dreams, fellow!”
“Who are you?” Perrin asked. The man’s eyebrows rose as if he were offended.
The strips of shadow around them writhed. One detached from the ceiling at one end and drifted down to touch the strange man’s head. It appeared to tangle in his hair. The man’s eyes widened, and everything seemed to happen at once. The shadow jerked back to the ceiling, ten feet overhead, trailing something pale. Wet drops splattered Perrin’s face. A bone-rattling shriek shattered the air.
 Unbidden, his eyes rose to the pale thing like an empty sack that dangled from the ceiling. Part of it was already absorbed by the black strip, but he had no trouble recognizing a human skin, apparently whole and unbroken.
The shadows around him danced in agitation, and Perrin ran, pursued by dying screams. Ripples ran along the shadow strips, pacing him.
“Change, burn you!” he shouted. “I know it’s a dream!
Colorful tapestries hung along the walls between tall golden stands holding dozens of candles that illuminated white floor tiles and a ceiling painted with fluffy clouds and fanciful birds in flight. Nothing moved but the flickering candle flames along the length of that hall, stretching as far as he could see, or in the pointed arches of white stone that occasionally broke the walls.
Danger. The sending was even fainter than before. And more urgent, if that were possible.
Axe in hand, Perrin started warily down the hall, muttering to himself. “Wake up. Wake up, Perrin. If you know it’s a dream, it changes or you wake up. Wake up, burn you!” The hallway stayed as solid as any he had ever walked.
He came abreast of the first of the pointed white archways. It let into a huge room, apparently windowless, but furnished as ornately as any palace, the furniture all carved and gilded and inlaid with ivory. A woman stood in the middle of the room, frowning at a tattered manuscript lying open on a table. A black-haired, black-eyed, beautiful woman clothed in white and silver.
Even as he recognized her, she lifted her head and looked straight at him. Her eyes widened, in shock, in anger. “You! What are you doing here? How did you—? You’ll ruin things you could not begin to imagine!”
Abruptly the space seemed to flatten, as if he were suddenly staring at a picture of a room. The flat image appeared to turn sideways, become only a bright vertical line down the middle of blackness. The line flashed white, and was gone, leaving only the dark, blacker than black.
Just in front of Perrin’s boots, the floor tiles came to an abrupt end.  He stepped back hastily.
Run.
Perrin turned, and Hopper was there, a big gray wolf, grizzled and scarred. “You are dead. I saw you die. I felt you die!” A sending flooded Perrin’s mind.
Run now! You must not be here now. Danger. Great danger. Worse than all the Neverborn. You must go.  Now!
“How?” Perrin shouted. “I want to go, but how?”
Go! Teeth bared, Hopper leaped for Perrin’s throat.
With a strangled cry, Perrin sat up on the bed, hands going to his throat to hold in lifeblood. They met unbroken skin. He swallowed with relief, but the next moment his fingers touched a damp spot.
Almost falling in his haste, he scrambled off the bed, stumbled to the washstand and seized the pitcher, splashed water everywhere as he filled the basin. The water turned pink as he washed his face. Pink with the blood of that strangely dressed man.
More dark spots dotted his coat and breeches. He tore them off and tossed them into the furthest corner. He meant to leave them there. Simion could burn them.
A gust of wind whipped in the open window. Shivering in shirt and smallclothes, he sat on the floor and leaned back against the bed. This should be uncomfortable enough. Sourness tinged his thoughts, and worry, and fear. And determination. I won’t give in to this. I won’t!
 But the bad dreams that came were better than some others.
Rand huddled under the trees in the night, watching the heavy-shouldered black dog come nearer his hiding place. His side ached, the wound Moiraine could not quite Heal, but he ignored it. The moon gave barely enough light for him to make out the dog, waist-high, with its thick neck and massive head, and its teeth that seemed to shine like wet silver in the night. It sniffed the air and trotted toward him.
Closer, he thought. Come closer. No warning for your master this time. Closer. That’s it. The dog was only ten paces away, now, a deep growl rumbling in its chest as it suddenly bounded forward. Straight at Rand.
The Power filled him. Something leaped from his outstretched hands; he was not sure what it was. A bar of white light, solid as steel. Liquid fire. For an instant, in the middle of that something, the dog seemed to become transparent, and then it was gone.
The white light faded except for the afterimage burned across Rand’s vision. He sagged against the nearest tree trunk, the bark rough on his face. Relief and silent laughter shook him. It worked. Light save me, it worked this time. It had not always. There had been other dogs this night.
The One Power pulsed in him, and his stomach twisted with the Dark One’s taint on saidin, wanted to empty itself.   He wanted Nynaeve to give him some of her medicines, or Moiraine to Heal him, or . . . Something, anything, to stop the sick feeling that was suffocating him.
But saidin flooded him with life, too, life and energy and awareness larded through the illness. Life without saidin was a pale copy. Anything else was a wan imitation.
But they can find me if I hold on. Track me, find me. I have to reach Tear. I’ll find out there. If I am the Dragon, there’ll be an end to it. And if I am not . . .  An end.
Reluctantly, with infinite slowness, he severed contact with saidin, gave up its embrace as if giving up life’s breath. The night seemed drab. The shadows lost their infinite sharp shadings and washed together.
In the distance, to the west, a dog howled, a shivering cry in the silent night.
 He peered in that direction as though he could see the dog if he tried hard enough.
A second dog answered the first, then another, and two more together, all spread out somewhere west of him.
“Hunt me,” Rand snarled. “Hunt me if you will. I’m no easy meat. No more!”
Pushing himself away from the tree, he waded a shallow, icy stream, then settled into a steady trot eastward. Cold water filled his boots, and his side hurt, but he ignored both. The night was quiet again behind him, but he ignored that, too. Hunt me. I can hunt, too. I am no easy meat.


{% extends "default.html" %} {% block content %}
{{company}} would like to make sure you are fully aware of all of your data protection rights. Every user is entitled to the following:
You have the right to request {{company}} for copies of your personal data. We may charge you a small fee for this service.
You have the right to request that {{company}} correct any information that you believe is inaccurate. You also have the right to request {{company}} to complete information you believe is incomplete.
You have the right to request that {{company}} erase your personal data, under certain conditions.
You have the right to request that {{company}} restrict the processing of your personal data, under certain conditions.
You have the right to object to {{company}}'s processing of your personal data, under certain conditions.
You have the right to request that {{company}} transfer the data that we have collected to another organization, or directly to you, under certain conditions.
If you make a request, we have one month to respond to you. If you would like to exercise any of these rights, please contact us.
If you have any questions about {{company}}'s privacy policy, the data we hold on you, or you would like us to exercise one of your data protection rights, please do not hesitate to contact us.
{{company}} keeps its privacy policy under regular review and places any updates on this web page. This privacy was last updated on {{ data["date"] }}.


radonengine
synopsis
creates a radon engine
syntax
e=RADONENGINE
description
e=RADONENGINE constructs an engine for computing the radon transform.
A radon engine has the following inputs:
- matrix
- input matrix
- dx
- sampling interval in x-dimension
- dy
- sampling interval in y-dimension
- origin
- x and y origin
- rho_x
- 0/1 use rho or rho_x
A radon engine contains the following engines:
- smooth
- optionally smooths the input matrix
- radon
- computes radon transform
- project
- gets projection in smoothed matrix for every peak found
- peaks
- finds peaks in radon transform
- segment
- find line segments for each peak found
- randomize
- optionally randomizes the input matrix
A radon engine has the following outputs:
- radon
- radon transform matrix
- theta
- vector of angles
- rho
- vector of rho or rho_x values
- peaks
- matrix of theta, rho and radon-score of all peaks found.
- projections
- the projections along the lines determined by the peaks
- segments
- line segments along each projection
- radon_n
- the number of pixels used for radon transform
| radon_peaks | Toolbox page | lineboxintersectdemo |


Numbers 23:8
How shall I curse, whom God hath not cursed? or how shall I defy, whom the LORD hath not defied?


new CLController($scope, $http, $location, $log, CheckListService)
The main controller -- this is a ingle controller app
Parameters:
| Name | Type | Description |
|---|---|---|
$scope |
Object | controller scope |
$http |
Object | default http provider |
$location |
Object | location provider for hopping through subchecklists |
$log |
Object | the logger |
CheckListService |
Object | See: CheckListService |
Methods
(static) configureCheckList()
Resets the checklist counter and hides the next button.
Then makes a call to load the next checklist
(static) loadAircraftCheckListPage(checkListPage)
Loads a aircraft checklist by the given name
Parameters:
| Name | Type | Description |
|---|---|---|
checkListPage |
string | The name of the checklist to call MUST MATCH THE json FILE NAME |
(static) loadCheckListPage(checkListPage)
Loads a non-aircraft checklist (cold computer or close out)
Parameters:
| Name | Type | Description |
|---|---|---|
checkListPage |
string | The name of the checklist to call MUST MATCH THE json FILE NAME |
(static) loadNextAircraftChecklist()
Updates the aircraft checklist and loads the next one in the aircraft checklist
list. If there are no more loaded, launches the close out checklist if chosen.
Events
checklistItemChecked
Called each time an item is checked.
Parameters:
| Name | Type | Description |
|---|---|---|
itemIndex |
integer | This is the item index so we can turn on the checkbox and do the check for all items selected |
checkListSelection
Called on submit of the first form
Parameters:
| Name | Type | Description |
|---|---|---|
frm |
Object | The form data itself |
loadNextPage
Responds to the Go/Next button and loads the next checklist accordingly


Fantasy Football Rankings Week 12: Tight End
Travis Kelce is on bye in Week 12, so maybe you might be looking to Jacob Hollister or David Njoku to save your week. See where they fall in our Week 12 fantasy TE rankings.
by @billyheyenIf you own Travis Kelce, you probably forgot that he hasn't yet had his bye yet. But here we are, Week 12, and the TE rankings are without him.  We're going to use Kelce's bye as an opportunity to talk about Jacob Hollister.
Hollister is available in most leagues, in part due to Seattle having had a bye in Week 11. In Week 9, he saw six targets. That totalrose to 10 in Week 10. It's easy to forget, but Hollister had eight catches for 62 yards and a score in that Week 10 game (after scoring twice the week prior). This looks like a legitimate replacement in the Will Dissly role in Seattle. Add him if you can.
WEEK 12 NON-PPR RANKINGS:
Quarterback | Running back | Wide receiver | D/ST | Kicker
If Hollister is out of the realm of possibility for you, maybe you try one of Austin Hooper's replacements in Atlanta, Jaeden Graham or Luke Stocker, against the Buccaneers, or pick up Ryan Griffin for the Jets against the Raiders. Griffin has been a bit more involved than maybe we would've expected, and Chris Herndon is out of the way now. Either way, the Bucs and Jets have been two of the worst defenses against TEs all season.
Other than that, tight end remains the position most tied to talent. If you have one of the top guys, you'll be playing them. And it's worth noting that after 10 targets in Week 10, Jared Cook appears to be in that top realm again.
Week 12 byes claim two top tight ends in Kelce and Hunter Henry, along with the two Vikings guys (Irv Smith Jr./Kyle Rudolph) and whoever Arizona stats.
Reminder: Check back for updatesduring the week.
#1
George Kittle, 49ers
49ers vs. Packers
#2
Darren Waller, Raiders
Raiders @ Jets
#3
Mark Andrews, Ravens
Ravens @ Rams
#4
Zach Ertz, Eagles
Eagles vs. Seahawks
#5
Gerald Everett, Rams
Rams vs. Ravens
#6
Jared Cook, Saints
Saints vs. Panthers
#7
Greg Olsen, Panthers
Panthers @ Saints
#8
Jacob Hollister, Seahawks
Seahawks @ Eagles
#9
Ryan Griffin, Jets
Jets vs. Raiders
#10
Darren Fells, Texans
Texans vs. Colts
#11
Tyler Eifert, Bengals
Bengals vs. Steelers
#12
Benjamin Watson, Patriots
Patriots vs. Cowboys
#13
Eric Ebron, Colts
Colts @ Texans
#14
Vance McDonald, Steelers
Steelers @ Bengals
#15
T.J. Hockenson, Lions
Lions @ Redskins
#16
Jason Witten, Cowboys
Cowboys @ Patriots
#17
Jimmy Graham, Packers
Packers @ 49ers
#18
Mike Gesicki, Dolphins
Dolphins @ Browns
#19
Noah Fant, Broncos
Broncos @ Bills
#20
Jonnu Smith, Titans
Titans vs. Jaguars
#21
Cameron Brate, Buccaneers
Buccaneers @ Falcons
#22
Dallas Goedert, Eagles
Eagles vs. Seahawks
#23
O.J. Howard, Buccaneers
Buccaneers @ Falcons
#24
Delanie Walker, Titans
Titans vs. Jaguars
#25
Jeremy Sprinkle, Redskins
Redskins vs. Lions
#26
Demetrius Harris, Browns
Browns vs. Dolphins
#27
Jaeden Graham, Falcons
Falcons vs. Buccaneers
#28
Luke Stocker, Falcons
Falcons vs. Buccaneers
#29
Jack Doyle, Colts
Colts @ Texans
#30
Rhett Ellison, Giants
Giants @ Bears
#31
Tyler Kroft, Bills
Bills vs. Broncos


Bare bones Promises/A+ implementation / ES6 Promise polyfill
1.2.0
Constructor accepts two parameters: resolve and reject functions.
Value to resolve promise with
Is promise still pending (as opposed to resolved or rejected)
Is the promise fulfilled. Same as isResolved()
Is the promise resolved. Same as isFulfilled()
Is the promise rejected
Is the promise was destroyed before resolving or rejecting
Did someone subscribed to this promise
Resolve the promise
Reject the promise
-- called when this promise is resolved; returns new resolve value or promise
-- called when this promise is rejected; returns new reject reason
-- resolve's and reject's functions "this" object
Add reject listener.
-- same as then(null, reject)
Add resolve listener
-- function to call when promise is resolved
-- function's "this" object
Add reject listener
-- function to call when promise is rejected.
-- function's "this" object
Add both resolve and reject listener
-- function to call when promise resolved or rejected
-- function's "this" object
Get a thenable object
Resolve this promise after value
promise is resolved.
Cancel and destroy current promise. No resolve or reject callbacks will be called. isCancelled() will return true.
Call function fn
with given args in given context
and use its return value as resolve value for a new promise.
Then return this promise.
Create new promise and resolve it with given value
Create new promise and reject it with given reason
Take a list of promises or values and once all promises are resolved,
create a new promise and resolve it with a list of final values.
If one of the promises is rejected, it will reject the returned promise.
-- array of promises or resolve values
Same as all()
but it treats arguments as list of values.
Same as all()
but the resulting promise
will not be rejected if ones of the passed promises is rejected.
-- array of promises or resolve values
Given the list of promises or values it will return a new promise and resolve it with the first resolved value.
-- array of promises or resolve values
Takes a list of async functions and executes them in given order consequentially
-- array of promises or resolve values or functions
Works like Array.forEach but it expects passed function to return a Promise.
if true, the resulting promise will fail if one of the returned promises fails.
Returns a promise with additional countdown
method. Call this method cnt
times and
the promise will get resolved.
-- called when this promise is resolved; returns new resolve value or promise
-- called when this promise is rejected; returns new reject reason
-- resolve's and reject's functions "this" object
Add resolve listener
-- function to call when promise is resolved
-- function's "this" object
Add both resolve and reject listener
-- function to call when promise resolved or rejected
-- function's "this" object
Add reject listener
-- function to call when promise is rejected.
-- function's "this" object


Sample Page
Replace this with your beautiful index page. :)
Send data to server using POST method
Username:
Password:
Send data to server using GET method
Name:
Address:
Gotham City, New Jersey, USA
Example of
"No such page"
(error 404).
Win a lottery!!


I am a professional cellist turned software engineer with an inquisitive mind and an insatiable desire for learning. My music career fine-tuned my attention to detail and developed my ability to break large tasks into manageable pieces. As an outgoing, communicative perfectionist, I look forward to joining a supportive development team.
This project brings to life an idea I had seven years ago. Using React and Express, this application allows musicians to keep track of their repertoire and their performances. Musicians can easily add pieces to the repertoire list through a form, and then build out the performances with a multiselector. Future versions will include a calendar with all of the performances, a program format to be printed, and the option to send out email invitations.
I wanted to put a fun spin on this project that required CRUD abilities on a resource, in this case, nail polish. Currently, this application allows users to add their favorite nail colors to the 'salon,' and they can view colors created by other uses.
This imitation "MeetUp" application provides a place for colleagues to create events, RSVP, and view who will attend. This project was a collaboration with two other developers in the cohort. My background as a musician was extremely helpful for this project since the world of music has prepared me to work in groups of a variety of sizes.
A fun inviting take on the timeless game, Tic Tac Toe. This project, which included game logic and a third party API, was my first project as a software engineer. There are aspects of this application I would like to improve (e.g. the alerts and buttons in the footer), but I have preserved this in the original form to remind myself how far I have come in 12 weeks.


|
JMockit Home | ||||
| PREV PACKAGE NEXT PACKAGE | FRAMES NO FRAMES |
See:
Description
| Class Summary | |
|---|---|
| Initializer | A test listener implementation for TestNG that will properly initialize JMockit before any tests are executed. |
Provides integration with TestNG test runners, for versions 5.14+.
Contains the Initializer
test listener class that can be specified to TestNG at
startup, as well as the "startup mock" implementation for integration with the TestNG test runner.
@Test
or a
@BeforeMethod
will be discarded right after the execution of the test or the test method, respectively.
Mockit.setUpMocks(java.lang.Object...)
from inside a @BeforeClass
method, or by annotating the test class with
UsingMocksAndStubs
) will only apply to the tests in this same test class.
That is, you should not explicitly tell JMockit to restore the mocked classes in an @AfterClass
method.
|
JMockit Home | ||||
| PREV PACKAGE NEXT PACKAGE | FRAMES NO FRAMES |


{% load static %}
now = {{ tickets.now|pprint }}
last_day_regular = {{ tickets.last_day_regular|pprint }}
capacity = {{ tickets.capacity|pprint }}
sold = {{ tickets.sold|pprint }}
left = {{ tickets.left|pprint }}
Regular price only until {{ tickets.last_day_regular|date:'j F' }}!
{% if tickets.left <= 30 %}
Last {{ tickets.left }} ticket{{ tickets.left|pluralize:'s' }} are available.
{% endif %}
Today is the last chance to buy tickets for the regular price!
{% if tickets.left <= 20 %}
We have {{ tickets.left }} ticket{{ tickets.left|pluralize:'s' }} available.
{% endif %}
Good news!
You can still get your ticket at a late bird price.
{% if tickets.left <= 20 %}
We still have {{ tickets.left }} ticket{{ tickets.left|pluralize:'s' }} left.
{% endif %}
You can pay the ticket with a credit or debit card.
PayPal account is not required to buy the ticket. It is used only as a payment gateway.
Are you a student, a teacher or have you attended PyLadies courses?
Students need to bring a student ID to the registration.
Are you paying PyCon CZ from your own pocket?
These tickets are for you if your company doesn’t pay for it.
Please respect that and buy a Company ticket if it does.
Is your company paying for the ticket?
Choose this ticket if your company is paying for it or if you are getting reimbursed later. Thank you for supporting PyCon CZ!
Do you want to have the best PyCon CZ experience?
VIP ticket will get you a seat at the speakers’ dinner on June 13. You will meet PyCon CZ speakers over great food which is included in the price.
We’re sorry but all available tickets have been sold out.
{% endif %}
We’re not VAT payers, all prices are final.
By buying a ticket you accept PyCon CZ’s
Code of Conduct
and Privacy Policy.
If money is the only factor stopping you from attending PyCon CZ you can apply for Financial Aid to cover your expenses.
{% elif phases.ticket_finaid == 'launched' %}We want PyCon CZ accessible for everyone as possible.
Full grants covering accommodation and/or travel costs have been awarded but we still have a few free tickets available thanks to our sponsors.
If ticket price is the only thing stopping you from attending
just email us for one.
{{ tickets|pprint }}


{% load humanize %}
Please draw shapes around regions that have a single object. Some example materials: human, sofa, animal, sky and sea. Also draw subparts of the object, which looks saliency to you. Please draw as much object as you can, then click submit.
Please make the region as tight as possible. Your shape should exactly follow the object boundary. Use the "adjust" button (or press 'A') to improve the shape boundary.
Important: Some object are ocluded by others. In this case, please use your common sense (also imagination) to complete the shape you think it should be. For example, a person's leg is ocluded by the table
Draw as much objects as you can, then submit.
We will reject submission that do not follow these instructions.
To close the shape, you do not need to click near the first point. You can right-click to connect the first and last point.
After drawing a polygon, please adjust its edges so that it better fits the true boundary. When you are done adjusting, switch back to "Draw" mode to draw more polygons.
You can press the D and A key to quickly switch modes.
Scroll with the mouse wheel to zoom in. Click "Reset Zoom" or press escape to reset back to normal.
Press 'space' and drag with the mouse to move around in the image (panning). You can also move press the arrow keys to move.
If there is a mirror, draw a shape around the mirror surface itself, not the things that you can see in the reflection. Similarly, draw a shape around the window glass, and not the things you can see through the window.
We are building an amodal segmentation tool.
Thank you for participating!


WElCOME TO MY WEBSITE
Hello there, awesome person!
Here is a list of my top 3 favorite websites
Youtube
Youtube
Instagram
Instagram
Khan Academy
Khan Academy


Knowing the BASICS of HTML and CSS
Its important to know when and how to use the tags. There are tags to break a line, paragraph and the difference between inline and block are an important piece to know.How the inline and block elements are used.
Creating a Structured Document
Structured documents are essential in HTML, a tree like strucutre adds more complexity but it gives more freedom to play around make the weib page appealing. This is the area where the div and span tags should be utlized properly. One should avoid using
repition to the code,that way the code does not become longer and you can get the understanding to be consisze and brief.You can add boxes,circles and borders.
The total width of an element should be calculated like this: Total element width = width + left padding + right padding + left border + right border + left margin + right margin The total height of an element should be calculated like this: Total
element height = height + top padding + bottom padding + top border + bottom border + top margin + bottom margin
Adding CSS Style and HTML Structure
CSS is code written to control the "style" of HTML elements.Adding Style to the webpage is whats makes it attractive,for example making a text of a particular color or font sizes.In order to design a webpage, its best to think in terms of boxes, everything when arranged in terms of boxes makes it easier to concieve and achieve the target. One things to remember about using the div tags is that they are like rules within rules. RULES ---> Rules----->rules.


% if @opts.write_rss %> <% end %>
craft
— will match "craft" but not "minecraft" or "diablocraft".detachable hats
— will match teasers containing the words "detachable" AND "hats".gsl|starcraft|sc2
— matches "gsl" OR "starcraft" OR "sc2"sanae|ohana pure
— matches "pure" AND "sanae", or "pure" AND "ohana""until you like it"
— place double quotes around the pattern to search for an exact string*sankaku*
— this can find threads contaning links to sankakuidolm*ster
— can match idolmaster or idolm@ster, etc...#!!3n8yyKtTvbU
— matches SHiN !!3n8yyKtTvbU or Ayano Sugiura !!3n8yyKtTvbU, etc...#Ayano
— matches Ayano or Ayano Sugiura or Ayano Sugiura !!3n8yyKtTvbU, etc...#
— this will match all non-anonymous threads./^(?=.*detachable)(?=.*hats).*$/i
— AND operator./^(?!.*touhou).*$/i
— NOT operator./^>/
— threads starting with a quote (">" character as an html entity)./^$/
— threads with no text.| On | Pattern | Color | Hide | Top | Del |
|---|---|---|---|---|---|
| Add Close Save |
| Custom |
| # |
| Close Clear |


Book Now
It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Male Female
Contact Details
-
No: 58 A, East Madison St
Baltimore, MD
USA -
2145 - 007 - 1566


--- layout: post title: The primary reason Babbage started so late on the Analytical Engine was that he was building up experience and knowledge prior to being 42 that led to its invention. He had started working on the Difference Engine No. 1 in 1822 (aged 31) and ideas for the Analytical Engine (such as the barrel based micro-programming and loops) came from trying to solve the problems associated with the Difference Engine. date: '2010-10-08T06:30:11-07:00' tags: tumblr_url: http://alexhwilliams.tumblr.com/post/1269092665/the-primary-reason-babbage-started-so-late-on-the ---
The primary reason Babbage started so late on the Analytical Engine was that he was building up experience and knowledge prior to being 42 that led to its invention. He had started working on the Difference Engine No. 1 in 1822 (aged 31) and ideas for the Analytical Engine (such as the barrel based micro-programming and loops) came from trying to solve the problems associated with the Difference Engine.—John Graham-Cumming: Babbage’s heart-warming message for the middle-aged


15:45
Filter by
Workout ▾
Habit Type
FILT
ER
Containing...
Location
Filter habit history by specific habit type
Filter by 'comments' containing keywords
Filter habits with a location


Use your nose to guide a flying turtle as he chases his dreams. (Alternate version integrating our custom model)
Use your face. Win the race. (Alternate version integrating our custom model)


We'll need to import libraries to help with data processing, validation and visualization. Import SmartInsiderTransaction
class, statsmodels
, sklearn
, numpy
, pandas
and seaborn
libraries by the following:
from QuantConnect.DataSource import SmartInsiderTransaction from statsmodels.discrete.discrete_model import Logit from sklearn.metrics import confusion_matrix import numpy as np import pandas as pd import seaborn as sns


{% include head.html %}
{% include header.html %} {% include presentation.html %} {% include portfolio_grid.html %} {% include reading.html %} {% include quote.html %} {% include social.html %} {% include contact.html %} {% include footer.html %} {% include modals.html %} {% include js.html %}


Hotel | |
| Description: | Description |
| Destination: | Destination |
| Arrival date: | |
| Number of overnight stays: | |
| 2-bed rooms: | |
| 3-bed rooms: | |
| 4-bed rooms: | |
| Floor number | Number of beds | Grade | Full price |
|---|
| Name | Price |
|---|
Hotel | |
| Description: | Description |
| Destination: | Destination |
| Brand | Model | Type | Grade | Price |
|---|
| Name | Address | City | Country |
|---|
| Rent-a-car: | |
| City: | |
| Arrival date: | |
| Number of days to stay: | |
| Brand/model: | |
| Cars: | |
| Motocycles: | |
| Minimum price: | |
| Maximum price: | |
| Rent-a-car | City | Brand | Model | Type | Grade | Price |
|---|
| Hotel: | |
| City: | |
| Arrival date: | |
| Number of overnight stays: | |
| 2-bed rooms: | |
| 3-bed rooms: | |
| 4-bed rooms: | |
| Minimum price: | |
| Maximum price: | |
| Hotel | City | Floor number | Number of beds | Grade | Price |
|---|
| Flight type: | |
| Number of passengers: | |
| Seat class: | |
| Bags: | |
| Price range: | 0 1500 |
| Duration range: | 0h 48h |
| From: | |
| To: | |
| Airline company: | |
| Departure date: | |
| Return date: | |
Airline | |
| Description: | Description |
| Destination: | Destination |
| Name | City | Country |
|---|


BibTeX to Wikipedia is a small tool for transforming BibTeX file to Wikipedia reference. This tool simplifies the citation of articles in Wikipidia.


Service: {name} Threads: {threads} Wait:{wait} Running:{running} Ready:{ready} StartTime: {start-time} Runtime: {runing-time}s Status: {status} | {button} Level: {level}


Home
Portfolio
Welcome to my homepage
Traveling to the Berlin
Currently traveling to Berlin from Jyvaskyla, in a train to Helsinki and later I take plane.


Created: 2020-03-31 Tue 14:56
but you need to bring your own editor
[L]anguage [S]erver [P]rotocol
An open standard, which is implemented by many different editors.
The canonical implementation is probably VSCode.
object Hello {
def main(args: Array[String]): Unit = println("Hello World")
}
$ scalac -Xshow-phases
phase name id description
---------- -- -----------
parser 1 parse source into ASTs, perform simple desugaring
namer 2 resolve names, attach symbols to named trees
packageobjects 3 load package objects
typer 4 the meat and potatoes: type the trees
patmat 5 translate match expressions
[ . . . ]
cleanup 21 platform-specific cleanups, generate reflective calls
delambdafy 22 remove lambdas
jvm 23 generate JVM bytecode
terminal 24 the last phase during a compilation run
$ brew cask install visual-studio-code
which is based on one of the supported build tools, e.g. SBT
Some quite advanced completions:
./coursier bootstrap \
--java-opt -Xss4m \
--java-opt -Xms100m \
--java-opt -Dmetals.client=emacs \
org.scalameta:metals_2.12:0.8.3 \
-r bintray:scalacenter/releases \
-r sonatype:snapshots \
-o /usr/local/bin/metals-emacs -f
lsp-mode
eglot


Converge's Official Blog - Where we share our thoughts & opinions, tips & techniques. We may also occasionaly brag about our Products & Services.
My name is Calvin Prasad. I’m the Projects & Services Manager here at Converge. Allow me to introduce our company and explain what we do.
Since early 2012, Converge has developed a wide range of software components that helps us implement tailor-made solutions for Fiji businesses.
Today, we are a lean and agile 5-member team, based in Suva.
Our products include Accounting & Finance, Sales Management, Customer Relationship Management, Human Resource Information System, Payroll, Project Management, and a lot more. Yes, we have the whole works!


The 1977 release of Rivest, Shamir, and Adleman's seminal paper, "A Method for Obtaining Digital Signatures and Public-Key Cryptosystems", was a great moment in the history of computing, as it allowed the Internet to evolve into the commercial and economic hub that it is today.
Over the past few decades, RSA has been scrutinized by researchers, who have unveiled vulnerabilities based on mathematical analysis and implementation flaws. Tracing these vulnerabilities in an interactive CTF setting is the perfect way to learn about the history of cryptography.


open fun clearAll(): Unit
Deletes all commands from the registry and clears the registry's internal store.
See Also
CommandBank.clearAll


Dash Merchant Sample
We have leveraged Dash, the most innovative crypto-currency in the market, to show off InstantX in a real world point of sale scenario. This can't be done with any Bitclone, without zero confirmation double spend risk.
"This isn't just a marketing piece. We are designing the software for point of sale. It will enable any new device to easily adapt the github packages." This is the first iteration of what can be done when you leverage the technology Dash has baked into its amazing protocol.
Dash is an open sourced, privacy-centric digital currency with instant transactions. It allows you to keep your finances private as you make transactions without waiting, similar to cash.
This machine was funded via the Masternode Network, which was used to vote on funding this project. All in all the machine was around $2,000 USD and completely funded via the 45/45/10 block reward split.
Payments are received and confirmed instantly by the other party thanks to InstantX. This soda machine is a prime example of what Dash can provide that other crypto currencies cannot.
The wallet will soon include Dash’s best feature, InstantX.
What makes Dash special, besides being a decentralized digital currency? Dash has several fundamental advantages over other digital currencies. Check out the "What is Dash?" video that summarizes some advantages of using Dash. You can also read the full Dash whitepaper here.
Advanced encryption and a 2-tier network for complete security.
Much lower than banks or credit cards, often even free.  More than 90% of users will be able to fully utilize the Dash network for free...
Uses a decentralized network, so there is no centralized third party to trust or compromise the network.
You can send money anywhere in the world. Anyone can use Dash and download a Dash Wallet on their smart phone, tablet, or computer.
We will be handing out small amounts of Dash on paper wallets to everyone who wants to test out the machine during the conference. We invite you to come enjoy Evan Duffield's speech on Dash Evolution and whats next in the world of Dash @ 10:40 AM On Friday January 22nd at the Miami Bitcoin Conference! This year the conference will be at the The James L. Knight Center get your tickets today!
Looking for more cool Dash projects? Join us over at the www.Dashtalk.org forums where we're always doing projects like this! All funded by the Dash Network. Check out the latest Dash Budget Proposal and vote here. For more information about the Dash N Drink machine contact us at Info@DashNDrink.com


THE SISTERS OF GLEN-NEOT
by THE LATE REV. R. S. HAWKER OF MORWENSTOW.
IT IS from Neot's sainted steep
The foamy waters flash and leap;
It is where shrieking wildflowers grow,
They lave the nymph that dwells below !
But wherefore in this far-off dell,
The reliques of a human cell ?
Where the sad stream and lonely wind
Bring Man no tidings of their kind !
Long years agone ! the otd man said,
'Twas told him by his grandsire dead,
One day two ancient sisters came,
None there could tell their race or name.
Their speech was not in Cornish phrase,
Their garb had marks of loftier days;
Slight food they took from hands of men,
They wither'd slowly in that glen.
One died ! the other's shrunken eye
Gush'd till the fount of tears was dry;
A wild and wasting thought had she --
"I shall have none to weep for me !"
They found her silent at the last,
Bent in the shape wherein she pass'd --
Where her lone seat long used to stand,
Her head upon her shrivell'd hand !
Did fancy give this legend birth ?
The grandame's tale for winter-hearth,
Or some dead bark, by Neot's stream
People these banks with such a dream ?
We know not ! but it suits the scene,
To think such wild things here have been;
What spot more meet could grief or sin
Choose at the last to wither in ?
Echoes of Old Cornwall


Behind the scenes
This is an unprecedented investigation into the global lottery industry.
It involves close to 40 people from 10 countries working in journalism and civic tech organizations in Africa, Europe and the United States.
After months of work we have revealed the following:
- The industry’s massive scale, which reached nearly $300 billion in 2014, a sum that was greater than than the gross domestic product of 157 countries that year.
- The eight companies that play an outsized role in lotteries around the world, operating in as many as 100 countries.
- The World Lottery Association, a non-profit association based in Switzerland that is heavily funded by these eight influential companies. The association espouses its commitment to responsible gaming and its member lotteries’ charitable donations while regularly convening seminars and international conferences to plan how to continually boost lottery sales.
- The financial moves of International Game Technology (IGT), one of the planet’s largest companies that has allowed it to avoid hundreds of million of dollars in taxes while helping to run a public endeavor that many studies have found amounts to a regressive tax on poor people.
- The many questionable recipients of lottery funding in South Africa that have received tens, even hundreds, of millions of Rand, but often have meager results to show from that public investment.
- The lavish parties thrown by the political elite in Mali with funding from the national lottery.
- An analysis of more than 11 million records of lottery winners from 35 states and the District of Columbia that found more than 1,700 people across the United States winning significant lottery prizes at least 50 times. Statistical calculations showed that some of the winners tallied their wins despite almost incomprehensibly low odds.
We welcome your feedback and ideas about other areas of this critical topic we should cover. Please get in touch with us at<EMAIL_ADDRESS>Partners
Gaming the Lottery was made possible by the following organisations:


Relevant Implications
◀ Prev
Next ▶
Usability
Is it easy to use?
Does it follow the Usability Heuristics?
Can the user avoid and correct errors?
Does it use recognised conventions?
Does it match the real world?
Is the system status visible?


Project, file name and file content to create. The /files/create
API accepts requests in the following format:
CreateProjectFileRequest Model - Request to add a file to a project. |
|
|---|---|
| projectId | integer Project Id to which the file belongs. |
| name | string The name of the new file. |
| content | string The content of the new file. |
| Example |
{ "projectId": 0, "name": "main.py", "content": "string" } |


--- layout: default title: ManagedKube Installation Service permalink: /installation-service animation: true ---
We install a fully functioning Kubernetes cluster for you quickly and affordably by leveraging open source projects.
Kubernetes is hard! You need a lot of components (eg, VPC, Kubernetes API, applications) working together to create a fully functioning Kubernetes environment. With ManagedKube Installation Service, we'll instantiate everything you need to run a successful Kubernetes cloud infrasturcture that you can rely on.
With our expertise, you'll have a working Kubernetes environment in three days.
It's cheaper to buy vs. build when there is already a solution for your exact problem.
Secure and reliable from being battle-tested in many companies.
As Kubernetes consultants working with more than two dozen clients, we have built this stack many times. Our expertise in leveraging open source components means that you don't need to hire a DevOps resource to set-up and maintain your Kubernetes clusters.
If you want to run your application on a new Kubernetes cluster, ManagedKube Installation Service provides:
One fully working Kubernetes cluster in a cloud of your choice
All code used pushed into your Git repository
Email and Chat Support
$999
Three fully working Kubernetes clusters in a cloud of your choice (dev, test, production)
All code used pushed into your Git repository
Phone, Email and Chat Support
$2499
Audit your current infrastructure and develop your infrastructure strategy
Fully customized Kubernetes clusters
Phone, Email and Chat Support
Contact us
The Installation Service is for you if you want 1:1 help to get started faster.


|
DESERT
3.0
|
#include <packet.h>
Go to the source code of this file.
Classes | |
| struct | hdr_sun_ack |
Macros | |
| #define | HDR_SUN_ACK(p) (hdr_sun_ack::access(p)) |
Typedefs | |
| typedef struct hdr_sun_ack | hdr_sun_ack |
Variables | |
| packet_t | PT_SUN_ACK |
Provides the Ack Messages header description.
Provides the Ack Messages header description.
Definition in file sun-hdr-ack.h.
| #define HDR_SUN_ACK | ( | p | ) | (hdr_sun_ack::access(p)) |
Definition at line 45 of file sun-hdr-ack.h.
| typedef struct hdr_sun_ack hdr_sun_ack |
hdr_sun_ack describes acks packets used by UWSUN.
| packet_t PT_SUN_ACK |
Definition at line 49 of file network/uwsun/initlib.cpp.