generic-library/opencv
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fix CUDA HOG for multi GPU systems:

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move GPU constants initialization from constructor to compute method
This commit is contained in:
Vladislav Vinogradov 2015-01-14 14:01:34 +03:00
parent f126f371b2
commit 0af7597d36
1 changed files with 3 additions and 3 deletions
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6
modules/cudaobjdetect/src/hog.cpp
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@ -127,9 +127,6 @@ cv::cuda::HOGDescriptor::HOGDescriptor(Size win_size_, Size block_size_, Size bl
Size cells_per_block = Size(block_size.width / cell_size.width, block_size.height / cell_size.height); Size cells_per_block = Size(block_size.width / cell_size.width, block_size.height / cell_size.height);
CV_Assert(cells_per_block == Size(2, 2)); CV_Assert(cells_per_block == Size(2, 2));
cv::Size blocks_per_win = numPartsWithin(win_size, block_size, block_stride);
hog::set_up_constants(nbins, block_stride.width, block_stride.height, blocks_per_win.width, blocks_per_win.height);
} }
size_t cv::cuda::HOGDescriptor::getDescriptorSize() const size_t cv::cuda::HOGDescriptor::getDescriptorSize() const
@ -221,6 +218,9 @@ void cv::cuda::HOGDescriptor::computeGradient(const GpuMat& img, GpuMat& _grad,
void cv::cuda::HOGDescriptor::computeBlockHistograms(const GpuMat& img) void cv::cuda::HOGDescriptor::computeBlockHistograms(const GpuMat& img)
{ {
cv::Size blocks_per_win = numPartsWithin(win_size, block_size, block_stride);
hog::set_up_constants(nbins, block_stride.width, block_stride.height, blocks_per_win.width, blocks_per_win.height);
computeGradient(img, grad, qangle); computeGradient(img, grad, qangle);
size_t block_hist_size = getBlockHistogramSize(); size_t block_hist_size = getBlockHistogramSize();