From 1a1f45424168a336a079e8f3aafcb4127eb6ea19 Mon Sep 17 00:00:00 2001 From: Vladislav Vinogradov Date: Mon, 17 Dec 2012 11:15:45 +0400 Subject: [PATCH] updated gpu houghlines sample --- samples/gpu/houghlines.cpp | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/samples/gpu/houghlines.cpp b/samples/gpu/houghlines.cpp index 0f19326..4aa4cb1 100644 --- a/samples/gpu/houghlines.cpp +++ b/samples/gpu/houghlines.cpp @@ -37,8 +37,15 @@ int main(int argc, const char* argv[]) Mat dst_gpu = dst_cpu.clone(); vector 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) { @@ -49,7 +56,15 @@ int main(int argc, const char* argv[]) GpuMat d_src(mask); GpuMat d_lines; 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 lines_gpu; 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]); d_lines.download(h_lines); } - cout << lines_gpu.size() << endl; for (size_t i = 0; i < lines_gpu.size(); ++i) { -- 2.7.4