generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

optimizations:

Browse Source 
- new reduce implementation (with kepler optimizations)
- saturate_cast via asm command
- video SIMD instructions in element operations
- float arithmetics instead of double
- new deviceSupports function
This commit is contained in:
Vladislav Vinogradov
2013-01-23 14:43:36 +04:00
parent ae6266e101
commit 281d036fcf
45 changed files with 9379 additions and 8846 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
modules/gpu/src/optical_flow_farneback.cpp
View File

@@ -172,7 +172,7 @@ void cv::gpu::FarnebackOpticalFlow::updateFlow_boxFilter(
const GpuMat& R0, const GpuMat& R1, GpuMat& flowx, GpuMat &flowy,
GpuMat& M, GpuMat &bufM, int blockSize, bool updateMatrices, Stream streams[])
{
if (!isDeviceArch11_)
if (deviceSupports(FEATURE_SET_COMPUTE_12))
device::optflow_farneback::boxFilter5Gpu(M, blockSize/2, bufM, S(streams[0]));
else
device::optflow_farneback::boxFilter5Gpu_CC11(M, blockSize/2, bufM, S(streams[0]));
@@ -191,7 +191,7 @@ void cv::gpu::FarnebackOpticalFlow::updateFlow_gaussianBlur(
const GpuMat& R0, const GpuMat& R1, GpuMat& flowx, GpuMat& flowy,
GpuMat& M, GpuMat &bufM, int blockSize, bool updateMatrices, Stream streams[])
{
if (!isDeviceArch11_)
if (deviceSupports(FEATURE_SET_COMPUTE_12))
device::optflow_farneback::gaussianBlur5Gpu(
M, blockSize/2, bufM, BORDER_REPLICATE_GPU, S(streams[0]));
else
@@ -209,7 +209,7 @@ void cv::gpu::FarnebackOpticalFlow::updateFlow_gaussianBlur(
void cv::gpu::FarnebackOpticalFlow::operator ()(
const GpuMat &frame0, const GpuMat &frame1, GpuMat &flowx, GpuMat &flowy, Stream &s)
{
CV_Assert(frame0.type() == CV_8U && frame1.type() == CV_8U);
CV_Assert(frame0.channels() == 1 && frame1.channels() == 1);
CV_Assert(frame0.size() == frame1.size());
CV_Assert(polyN == 5 || polyN == 7);
CV_Assert(!fastPyramids || std::abs(pyrScale - 0.5) < 1e-6);