84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
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// 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 "test_precomp.hpp"
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namespace opencv_test { namespace {
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CV_ENUM(SrcTypes, CV_8UC1, CV_8UC3, CV_16UC1, CV_16UC3);
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typedef tuple<Size, SrcTypes> L0SmoothParams;
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typedef TestWithParam<L0SmoothParams> L0SmoothTest;
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TEST(L0SmoothTest, SplatSurfaceAccuracy)
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{
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RNG rnd(0);
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for (int i = 0; i < 3; i++)
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{
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Size sz(rnd.uniform(512, 1024), rnd.uniform(512, 1024));
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Scalar surfaceValue;
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int srcCn = 3;
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rnd.fill(surfaceValue, RNG::UNIFORM, 0, 255);
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Mat src(sz, CV_MAKE_TYPE(CV_8U, srcCn), surfaceValue);
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double lambda = rnd.uniform(0.01, 0.05);
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double kappa = rnd.uniform(1.5, 5.0);
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Mat res;
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l0Smooth(src, res, lambda, kappa);
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// When filtering a constant image we should get the same image:
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double normL1 = cvtest::norm(src, res, NORM_L1)/src.total()/src.channels();
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EXPECT_LE(normL1, 1.0/64);
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}
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}
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TEST_P(L0SmoothTest, MultiThreadReproducibility)
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{
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if (cv::getNumberOfCPUs() == 1)
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return;
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double MAX_DIF = 10.0;
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double MAX_MEAN_DIF = 1.0 / 8.0;
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int loopsCount = 2;
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RNG rng(0);
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L0SmoothParams params = GetParam();
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Size size = get<0>(params);
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int srcType = get<1>(params);
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Mat src(size,srcType);
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if(src.depth()==CV_8U)
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randu(src, 0, 255);
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else if(src.depth()==CV_16U)
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randu(src, 0, 65535);
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else
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randu(src, -100000.0f, 100000.0f);
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int nThreads = cv::getNumThreads();
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if (nThreads == 1)
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throw SkipTestException("Single thread environment");
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for (int iter = 0; iter <= loopsCount; iter++)
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{
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double lambda = rng.uniform(0.01, 0.05);
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double kappa = rng.uniform(1.5, 5.0);
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cv::setNumThreads(nThreads);
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Mat resMultiThread;
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l0Smooth(src, resMultiThread, lambda, kappa);
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cv::setNumThreads(1);
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Mat resSingleThread;
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l0Smooth(src, resSingleThread, lambda, kappa);
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EXPECT_LE(cv::norm(resSingleThread, resMultiThread, NORM_INF), MAX_DIF);
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EXPECT_LE(cv::norm(resSingleThread, resMultiThread, NORM_L1), MAX_MEAN_DIF*src.total()*src.channels());
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}
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}
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INSTANTIATE_TEST_CASE_P(FullSet, L0SmoothTest,Combine(Values(szODD, szQVGA), SrcTypes::all()));
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}} // namespace
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