Optical flow dualt tvl1 ocl-based implementation and tests

2014-02-18 14:24:30 +04:00
parent ad66233774
commit 10f2a038c2
4 changed files with 1162 additions and 118 deletions
--- a/modules/video/test/ocl/test_optflow_tvl1flow.cpp
+++ b/modules/video/test/ocl/test_optflow_tvl1flow.cpp
@@ -0,0 +1,117 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
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+//                           License Agreement
+//                For Open Source Computer Vision Library
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+// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
+// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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+
+#include "test_precomp.hpp"
+#include "opencv2/ts/ocl_test.hpp"
+
+#ifdef HAVE_OPENCL
+
+namespace cvtest {
+namespace ocl {
+
+/////////////////////////////////////////////////////////////////////////////////////////////////
+// Optical_flow_tvl1
+namespace
+{
+    IMPLEMENT_PARAM_CLASS(UseInitFlow, bool)
+    IMPLEMENT_PARAM_CLASS(MedianFiltering, int)
+    IMPLEMENT_PARAM_CLASS(ScaleStep, double)
+}
+
+PARAM_TEST_CASE(OpticalFlowTVL1, UseInitFlow, MedianFiltering, ScaleStep)
+{
+    bool useInitFlow;
+    int medianFiltering;
+    double scaleStep;
+    virtual void SetUp()
+    {
+        useInitFlow = GET_PARAM(0);
+        medianFiltering = GET_PARAM(1);
+        scaleStep = GET_PARAM(2);
+    }
+};
+
+OCL_TEST_P(OpticalFlowTVL1, Mat)
+{
+    cv::Mat frame0 = readImage("optflow/RubberWhale1.png", cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(frame0.empty());
+
+    cv::Mat frame1 = readImage("optflow/RubberWhale2.png", cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(frame1.empty());
+
+    cv::Mat flow; cv::UMat uflow;
+
+    //create algorithm
+    cv::Ptr<cv::DenseOpticalFlow> alg = cv::createOptFlow_DualTVL1();
+
+    //set parameters
+    alg->set("scaleStep", scaleStep);
+    alg->setInt("medianFiltering", medianFiltering);
+
+    //create initial flow as result of algorithm calculation
+    if (useInitFlow)
+    {
+        OCL_ON(alg->calc(frame0, frame1, uflow));
+        uflow.copyTo(flow);
+    }
+
+    //set flag to use initial flow as it is ready to use
+    alg->setBool("useInitialFlow", useInitFlow);
+
+    OCL_OFF(alg->calc(frame0, frame1, flow));
+    OCL_ON(alg->calc(frame0, frame1, uflow));
+
+    EXPECT_MAT_SIMILAR(flow, uflow, 1e-2);
+}
+
+OCL_INSTANTIATE_TEST_CASE_P(Video, OpticalFlowTVL1,
+    Combine(
+    Values(UseInitFlow(false), UseInitFlow(true)),
+    Values(MedianFiltering(3), MedianFiltering(-1)),
+    Values(ScaleStep(0.3),ScaleStep(0.5))
+    )
+    );
+
+} } // namespace cvtest::ocl
+
+#endif // HAVE_OPENCL