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added gpu::Canny function

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This commit is contained in:
Vladislav Vinogradov
2011-08-08 08:53:55 +00:00
parent 0a2c7803b6
commit 767ac9aa10
5 changed files with 754 additions and 3 deletions
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27
modules/gpu/include/opencv2/gpu/gpu.hpp
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@@ -976,7 +976,32 @@ namespace cv
//! performs linear blending of two images
//! to avoid accuracy errors sum of weigths shouldn't be very close to zero
CV_EXPORTS void blendLinear(const GpuMat& img1, const GpuMat& img2, const GpuMat& weights1, const GpuMat& weights2,
GpuMat& result, Stream& stream = Stream::Null());
GpuMat& result, Stream& stream = Stream::Null());
struct CV_EXPORTS CannyBuf;
CV_EXPORTS void Canny(const GpuMat& image, GpuMat& edges, double low_thresh, double high_thresh, int apperture_size = 3, bool L2gradient = false);
CV_EXPORTS void Canny(const GpuMat& image, CannyBuf& buf, GpuMat& edges, double low_thresh, double high_thresh, int apperture_size = 3, bool L2gradient = false);
CV_EXPORTS void Canny(const GpuMat& dx, const GpuMat& dy, GpuMat& edges, double low_thresh, double high_thresh, bool L2gradient = false);
CV_EXPORTS void Canny(const GpuMat& dx, const GpuMat& dy, CannyBuf& buf, GpuMat& edges, double low_thresh, double high_thresh, bool L2gradient = false);
struct CV_EXPORTS CannyBuf
{
CannyBuf() {}
explicit CannyBuf(const Size& image_size, int apperture_size = 3) {create(image_size, apperture_size);}
CannyBuf(const GpuMat& dx_, const GpuMat& dy_);
void create(const Size& image_size, int apperture_size = 3);
void release();
GpuMat dx, dy;
GpuMat dx_buf, dy_buf;
GpuMat edgeBuf;
GpuMat trackBuf1, trackBuf2;
Ptr<FilterEngine_GPU> filterDX, filterDY;
};
////////////////////////////// Matrix reductions //////////////////////////////