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minor stitching optimization (improve buffer reuse)

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This commit is contained in:
Vladislav Vinogradov
2011-08-09 13:08:54 +00:00
parent b319e7f403
commit c5adaa717b
8 changed files with 95 additions and 23 deletions
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modules/gpu/src/surf.cpp
+13 -1
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@@ -59,6 +59,7 @@ void cv::gpu::SURF_GPU::operator()(const GpuMat&, const GpuMat&, GpuMat&, GpuMat
void cv::gpu::SURF_GPU::operator()(const GpuMat&, const GpuMat&, vector<KeyPoint>&) { throw_nogpu(); }
void cv::gpu::SURF_GPU::operator()(const GpuMat&, const GpuMat&, vector<KeyPoint>&, GpuMat&, bool) { throw_nogpu(); }
void cv::gpu::SURF_GPU::operator()(const GpuMat&, const GpuMat&, vector<KeyPoint>&, vector<float>&, bool) { throw_nogpu(); }
void cv::gpu::SURF_GPU::releaseMemory() { throw_nogpu(); }
#else /* !defined (HAVE_CUDA) */
@@ -201,7 +202,7 @@ namespace
const int nFeatures = keypoints.cols;
if (nFeatures > 0)
{
descriptors.create(nFeatures, descriptorSize, CV_32F);
ensureSizeIsEnough(nFeatures, descriptorSize, CV_32F, descriptors);
compute_descriptors_gpu(descriptors, keypoints.ptr<float>(SURF_GPU::SF_X), keypoints.ptr<float>(SURF_GPU::SF_Y),
keypoints.ptr<float>(SURF_GPU::SF_SIZE), keypoints.ptr<float>(SURF_GPU::SF_DIR), nFeatures);
}
@@ -431,4 +432,15 @@ void cv::gpu::SURF_GPU::operator()(const GpuMat& img, const GpuMat& mask, vector
downloadDescriptors(descriptorsGPU, descriptors);
}
void cv::gpu::SURF_GPU::releaseMemory()
{
sum.release();
mask1.release();
maskSum.release();
intBuffer.release();
det.release();
trace.release();
maxPosBuffer.release();
}
#endif /* !defined (HAVE_CUDA) */