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added Sobel, GaussianBlur, Canny to gpu module.

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minor fix of matrix_operations.cpp.
This commit is contained in:
Vladislav Vinogradov
2010-10-04 11:42:40 +00:00
parent 12656df19a
commit 49fa536c62
6 changed files with 589 additions and 178 deletions
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modules/gpu/src/imgproc_gpu.cpp
+30
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@@ -62,6 +62,7 @@ void cv::gpu::warpAffine(const GpuMat&, GpuMat&, const Mat&, Size, int) { throw_
void cv::gpu::warpPerspective(const GpuMat&, GpuMat&, const Mat&, Size, int) { throw_nogpu(); }
void cv::gpu::rotate(const GpuMat&, GpuMat&, Size, double, double, double, int) { throw_nogpu(); }
void cv::gpu::integral(GpuMat&, GpuMat&, GpuMat&) { throw_nogpu(); }
void cv::gpu::Canny(const GpuMat&, GpuMat&, double, double, int) { throw_nogpu(); }
#else /* !defined (HAVE_CUDA) */
@@ -986,4 +987,33 @@ void cv::gpu::integral(GpuMat& src, GpuMat& sum, GpuMat& sqsum)
sum.step, sqsum.ptr<Npp32f>(), sqsum.step, sz, 0, 0.0f, h) );
}
////////////////////////////////////////////////////////////////////////
// Canny
void cv::gpu::Canny(const GpuMat& image, GpuMat& edges, double threshold1, double threshold2, int apertureSize)
{
CV_Assert(image.type() == CV_8UC1);
GpuMat srcDx, srcDy;
Sobel(image, srcDx, -1, 1, 0, apertureSize);
Sobel(image, srcDy, -1, 0, 1, apertureSize);
srcDx.convertTo(srcDx, CV_32F);
srcDy.convertTo(srcDy, CV_32F);
edges.create(image.size(), CV_8UC1);
NppiSize sz;
sz.height = image.rows;
sz.width = image.cols;
int bufsz;
nppSafeCall( nppiCannyGetBufferSize(sz, &bufsz) );
GpuMat buf(1, bufsz, CV_8UC1);
nppSafeCall( nppiCanny_32f8u_C1R(srcDx.ptr<Npp32f>(), srcDx.step, srcDy.ptr<Npp32f>(), srcDy.step,
edges.ptr<Npp8u>(), edges.step, sz, (Npp32f)threshold1, (Npp32f)threshold2, buf.ptr<Npp8u>()) );
}
#endif /* !defined (HAVE_CUDA) */