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connected components labeling

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marina.kolpakova
2012-08-06 14:20:21 +04:00
parent 2c8d11071c
commit 350621057f
4 changed files with 549 additions and 0 deletions
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18
modules/gpu/src/graphcuts.cpp
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@@ -47,8 +47,26 @@
void cv::gpu::graphcut(GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
void cv::gpu::graphcut(GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
void cv::gpu::labelComponents(const GpuMat& image, GpuMat& mask, GpuMat& components, const cv::Scalar& lo, const cv::Scalar& hi) { throw_nogpu(); }
#else /* !defined (HAVE_CUDA) */
namespace cv { namespace gpu { namespace device
{
namespace ccl
{
void labelComponents(const DevMem2D& edges, DevMem2Di comps);
void computeEdges(const DevMem2D& image, DevMem2D edges, const int lo, const int hi);
}
}}}
void cv::gpu::labelComponents(const GpuMat& image, GpuMat& mask, GpuMat& components, const cv::Scalar& lo, const cv::Scalar& hi)
{
device::ccl::computeEdges(image, mask, lo[0], hi[0]);
device::ccl::labelComponents(mask, components);
}
namespace
{
typedef NppStatus (*init_func_t)(NppiSize oSize, NppiGraphcutState** ppState, Npp8u* pDeviceMem);