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Open Source Computer Vision Library
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73 lines
2.4 KiB
73 lines
2.4 KiB
// This file is part of OpenCV project. |
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// It is subject to the license terms in the LICENSE file found in the top-level directory |
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// of this distribution and at http://opencv.org/license.html. |
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#include "../perf_precomp.hpp" |
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#include "opencv2/ts/ocl_perf.hpp" |
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namespace opencv_test { namespace { |
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#ifdef HAVE_OPENCL |
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void MakeArtificialExample(UMat &dst_frame1, UMat &dst_frame2); |
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typedef tuple<String, Size> DISParams; |
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typedef TestBaseWithParam<DISParams> DenseOpticalFlow_DIS; |
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OCL_PERF_TEST_P(DenseOpticalFlow_DIS, perf, |
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Combine(Values("PRESET_ULTRAFAST", "PRESET_FAST", "PRESET_MEDIUM"), Values(szVGA, sz720p, sz1080p))) |
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{ |
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DISParams params = GetParam(); |
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// use strings to print preset names in the perf test results: |
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String preset_string = get<0>(params); |
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int preset = DISOpticalFlow::PRESET_FAST; |
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if (preset_string == "PRESET_ULTRAFAST") |
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preset = DISOpticalFlow::PRESET_ULTRAFAST; |
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else if (preset_string == "PRESET_FAST") |
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preset = DISOpticalFlow::PRESET_FAST; |
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else if (preset_string == "PRESET_MEDIUM") |
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preset = DISOpticalFlow::PRESET_MEDIUM; |
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Size sz = get<1>(params); |
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UMat frame1(sz, CV_8U); |
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UMat frame2(sz, CV_8U); |
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UMat flow; |
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MakeArtificialExample(frame1, frame2); |
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Ptr<DenseOpticalFlow> algo = DISOpticalFlow::create(preset); |
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PERF_SAMPLE_BEGIN() |
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{ |
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algo->calc(frame1, frame2, flow); |
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} |
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PERF_SAMPLE_END() |
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SANITY_CHECK_NOTHING(); |
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} |
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void MakeArtificialExample(UMat &dst_frame1, UMat &dst_frame2) |
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{ |
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int src_scale = 2; |
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int OF_scale = 6; |
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double sigma = dst_frame1.cols / 300; |
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UMat tmp(Size(dst_frame1.cols / (1 << src_scale), dst_frame1.rows / (1 << src_scale)), CV_8U); |
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randu(tmp, 0, 255); |
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resize(tmp, dst_frame1, dst_frame1.size(), 0.0, 0.0, INTER_LINEAR_EXACT); |
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resize(tmp, dst_frame2, dst_frame2.size(), 0.0, 0.0, INTER_LINEAR_EXACT); |
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Mat displacement_field(Size(dst_frame1.cols / (1 << OF_scale), dst_frame1.rows / (1 << OF_scale)), |
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CV_32FC2); |
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randn(displacement_field, 0.0, sigma); |
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resize(displacement_field, displacement_field, dst_frame2.size(), 0.0, 0.0, INTER_CUBIC); |
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for (int i = 0; i < displacement_field.rows; i++) |
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for (int j = 0; j < displacement_field.cols; j++) |
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displacement_field.at<Vec2f>(i, j) += Vec2f((float)j, (float)i); |
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remap(dst_frame2, dst_frame2, displacement_field, Mat(), INTER_LINEAR, BORDER_REPLICATE); |
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} |
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#endif // HAVE_OPENCL |
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}} // namespace
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