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new gpu::HoughLinesP implementation

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This commit is contained in:
Vladislav Vinogradov
2012-12-13 17:18:25 +04:00
parent 8c057af862
commit caf91ac159
6 changed files with 190 additions and 84 deletions
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10
samples/gpu/houghlines.cpp
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@@ -30,14 +30,14 @@ int main(int argc, const char* argv[])
}
Mat mask;
Canny(src, mask, 50, 200, 3);
Canny(src, mask, 100, 200, 3);
Mat dst_cpu;
cvtColor(mask, dst_cpu, CV_GRAY2BGR);
Mat dst_gpu = dst_cpu.clone();
vector<Vec4i> lines_cpu;
HoughLinesP(mask, lines_cpu, 1, CV_PI / 180, 50, 50, 5);
HoughLinesP(mask, lines_cpu, 1, CV_PI / 180, 50, 60, 5);
cout << lines_cpu.size() << endl;
for (size_t i = 0; i < lines_cpu.size(); ++i)
@@ -46,10 +46,10 @@ int main(int argc, const char* argv[])
line(dst_cpu, Point(l[0], l[1]), Point(l[2], l[3]), Scalar(0, 0, 255), 3, CV_AA);
}
GpuMat d_src(src);
GpuMat d_src(mask);
GpuMat d_lines;
CannyBuf d_buf;
gpu::HoughLinesP(d_src, d_lines, d_buf, 50, 5);
HoughLinesBuf d_buf;
gpu::HoughLinesP(d_src, d_lines, d_buf, 1, CV_PI / 180, 50, 5);
vector<Vec4i> lines_gpu;
if (!d_lines.empty())
{