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GPU: updated upsample, downsample functions, added pyrDown, pyrUp, added support of 16S filtering; put spherical warper on GPU (from opencv_stitching)

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Alexey Spizhevoy
2011-06-30 14:39:48 +00:00
parent a44d6aacc8
commit 674b763395
19 changed files with 697 additions and 378 deletions
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17
modules/gpu/include/opencv2/gpu/gpu.hpp
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@@ -622,6 +622,10 @@ namespace cv
//! Supports INTER_NEAREST, INTER_LINEAR, INTER_CUBIC
CV_EXPORTS void warpPerspective(const GpuMat& src, GpuMat& dst, const Mat& M, Size dsize, int flags = INTER_LINEAR, Stream& stream = Stream::Null());
//! builds spherical warping maps
CV_EXPORTS void buildWarpSphericalMaps(Size src_size, Rect dst_roi, const Mat& R, double f, double s,
GpuMat& map_x, GpuMat& map_y, Stream& stream = Stream::Null());
//! rotate 8bit single or four channel image
//! Supports INTER_NEAREST, INTER_LINEAR, INTER_CUBIC
//! supports CV_8UC1, CV_8UC4 types
@@ -721,12 +725,21 @@ namespace cv
CV_EXPORTS void matchTemplate(const GpuMat& image, const GpuMat& templ, GpuMat& result, int method);
//! downsamples image
CV_EXPORTS void downsample(const GpuMat& src, GpuMat& dst, int k=2);
CV_EXPORTS void downsample(const GpuMat& src, GpuMat& dst);
//! upsamples image
CV_EXPORTS void upsample(const GpuMat& src, GpuMat &dst);
//! smoothes the source image and downsamples it
CV_EXPORTS void pyrDown(const GpuMat& src, GpuMat& dst);
//! upsamples the source image and then smoothes it
CV_EXPORTS void pyrUp(const GpuMat& src, GpuMat& dst);
//! 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());
////////////////////////////// Matrix reductions //////////////////////////////