From dd50e95a8193fb0faa846ccaa971a115ba69e71c Mon Sep 17 00:00:00 2001 From: Sandeep Gupta Date: Wed, 5 Jul 2017 12:41:25 +0530 Subject: LinearAlgebra and MatrixOperation Update --- .../ImageProcessing/imgproc/CV_CornerHarris.sci | 49 +++++++++++----------- 1 file changed, 25 insertions(+), 24 deletions(-) (limited to '2.3-1/macros/ImageProcessing/imgproc/CV_CornerHarris.sci') diff --git a/2.3-1/macros/ImageProcessing/imgproc/CV_CornerHarris.sci b/2.3-1/macros/ImageProcessing/imgproc/CV_CornerHarris.sci index ccb83cb7..fb25612b 100644 --- a/2.3-1/macros/ImageProcessing/imgproc/CV_CornerHarris.sci +++ b/2.3-1/macros/ImageProcessing/imgproc/CV_CornerHarris.sci @@ -12,41 +12,42 @@ function edges = CV_CornerHarris(srcimg,blocksize,ksize,k,border_type) //Finds edges in image using Harris algorithm // // Calling Sequence -// edges = CV_CornerHarris(srcimg,blocksize,ksize,k,border_type) +// edges = CV_CornerHarris(srcimg,blocksize,ksize,k,border_type) // // Parameters -// srcimg: Input single-channel 8-bit or floating-point image. -// blockSize: Neighborhood size -// ksize: Aperture parameter for the Sobel() operator. -// k: Harris detector free parameter. -// border_type: border mode used to extrapolate pixels outside of the image. -// +// srcimg -> Input single-channel 8-bit or floating-point image. +// blockSize -> Neighborhood size +// ksize -> Aperture parameter for the Sobel() operator. +// k -> Harris detector free parameter. +// borderType -> border mode used to extrapolate pixels outside of the +// image. It can be : +// BORDER_REPLICATE: aaaaaa|abcdefgh|hhhhhhh +// BORDER_REFLECT: fedcba|abcdefgh|hgfedcb +// BORDER_REFLECT_101: gfedcb|abcdefgh|gfedcba +// BORDER_WRAP: cdefgh|abcdefgh|abcdefg +// BORDER_CONSTANT: iiiiii|abcdefgh|iiiiiii // Description -// The function runs the Harris edge detector on the image. For each pixel (x, y) it calculates a 2 * 2 gradient covariance matrix M(x,y) over a blockSize * blockSize neighborhood. Then, it computes the following characteristic: dst(x,y) = det(M(x,y)) - k .tr(M(x,y))^2. Corners in the image can be found as the local maxima of this response map. -// -// border_type can be : -// -// BORDER_REPLICATE: aaaaaa|abcdefgh|hhhhhhh -// BORDER_REFLECT: fedcba|abcdefgh|hgfedcb -// BORDER_REFLECT_101: gfedcb|abcdefgh|gfedcba -// BORDER_WRAP: cdefgh|abcdefgh|abcdefg -// BORDER_CONSTANT: iiiiii|abcdefgh|iiiiiii -// -// -// This is curretly dummy function. It provides no functionality but is required -// for providing support for generating C code for OpenCV +// The function runs the Harris edge detector on the image. For each +// pixel (x, y) it calculates a 2 * 2 gradient covariance matrix M(x,y) +// over a blockSize * blockSize neighborhood. Then, it computes the +// following characteristic: +// dst(x,y) = det(M(x,y)) - k .tr(M(x,y))^2 +// Corners in the image can be found as the local maxima of this +// response map // // Examples -// img = CV_LoadImage('~/test.jpg',0) -// dst = CV_CvtColor(img,"CV_RGB2GRAY"); -// edge = CV_CornerHarris(dst,5,3,1,"BORDER_REPLICATE"); +// img = CV_LoadImage('~/test.jpg',0) +// dst = CV_CvtColor(img,"CV_RGB2GRAY"); +// edge = CV_CornerHarris(dst,5,3,1,"BORDER_REPLICATE"); +// // See also // CV_LoadImage CV_CvtColor // // Authors // Siddhesh Wani // - edges = 0 +// This is curretly dummy function. It provides no functionality but is required +// for providing support for generating C code for OpenCV endfunction -- cgit