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updated gpu houghlines sample

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This commit is contained in:
Vladislav Vinogradov 2012-12-17 11:15:45 +04:00
parent da017fbeb9
commit 1a1f454241
1 changed files with 18 additions and 4 deletions
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22
samples/gpu/houghlines.cpp
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@ -37,8 +37,15 @@ int main(int argc, const char* argv[])
Mat dst_gpu = dst_cpu.clone(); Mat dst_gpu = dst_cpu.clone();
vector<Vec4i> lines_cpu; vector<Vec4i> lines_cpu;
HoughLinesP(mask, lines_cpu, 1, CV_PI / 180, 50, 60, 5); {
cout << lines_cpu.size() << endl; const double start = getTickCount();
HoughLinesP(mask, lines_cpu, 1, CV_PI / 180, 50, 60, 5);
const double timeSec = (getTickCount() - start) / getTickFrequency();
cout << "CPU Time : " << timeSec * 1000 << " ms" << endl;
cout << "CPU Found : " << lines_cpu.size() << endl;
}
for (size_t i = 0; i < lines_cpu.size(); ++i) for (size_t i = 0; i < lines_cpu.size(); ++i)
{ {
@ -49,7 +56,15 @@ int main(int argc, const char* argv[])
GpuMat d_src(mask); GpuMat d_src(mask);
GpuMat d_lines; GpuMat d_lines;
HoughLinesBuf d_buf; HoughLinesBuf d_buf;
gpu::HoughLinesP(d_src, d_lines, d_buf, 1, CV_PI / 180, 50, 5); {
const double start = getTickCount();
gpu::HoughLinesP(d_src, d_lines, d_buf, 1, CV_PI / 180, 50, 5);
const double timeSec = (getTickCount() - start) / getTickFrequency();
cout << "GPU Time : " << timeSec * 1000 << " ms" << endl;
cout << "GPU Found : " << d_lines.cols << endl;
}
vector<Vec4i> lines_gpu; vector<Vec4i> lines_gpu;
if (!d_lines.empty()) if (!d_lines.empty())
{ {
@ -57,7 +72,6 @@ int main(int argc, const char* argv[])
Mat h_lines(1, d_lines.cols, CV_32SC4, &lines_gpu[0]); Mat h_lines(1, d_lines.cols, CV_32SC4, &lines_gpu[0]);
d_lines.download(h_lines); d_lines.download(h_lines);
} }
cout << lines_gpu.size() << endl;
for (size_t i = 0; i < lines_gpu.size(); ++i) for (size_t i = 0; i < lines_gpu.size(); ++i)
{ {