Optical flow dualt tvl1 ocl-based implementation and tests

modules/video/perf/opencl/perf_optflow_dualTVL1.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
+// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// @Authors
+//    Fangfang Bai, fangfang@multicorewareinc.com
+//    Jin Ma,       jin@multicorewareinc.com
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors as is and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "perf_precomp.hpp"
+#include "opencv2/ts/ocl_perf.hpp"
+
+using std::tr1::make_tuple;
+
+#ifdef HAVE_OPENCL
+
+namespace cvtest {
+namespace ocl {
+
+///////////// OpticalFlow Dual TVL1 ////////////////////////
+typedef tuple< tuple<int, double>, bool> OpticalFlowDualTVL1Params;
+typedef TestBaseWithParam<OpticalFlowDualTVL1Params> OpticalFlowDualTVL1Fixture;
+
+OCL_PERF_TEST_P(OpticalFlowDualTVL1Fixture, OpticalFlowDualTVL1,
+            ::testing::Combine(
+                        ::testing::Values(make_tuple<int, double>(-1, 0.3),
+                                          make_tuple<int, double>(3, 0.5)),
+                        ::testing::Bool()
+                                )
+            )
+    {
+        Mat frame0 = imread(getDataPath("gpu/opticalflow/rubberwhale1.png"), cv::IMREAD_GRAYSCALE);
+        ASSERT_FALSE(frame0.empty()) << "can't load rubberwhale1.png";
+
+        Mat frame1 = imread(getDataPath("gpu/opticalflow/rubberwhale2.png"), cv::IMREAD_GRAYSCALE);
+        ASSERT_FALSE(frame1.empty()) << "can't load rubberwhale2.png";
+
+        const Size srcSize = frame0.size();
+
+        const OpticalFlowDualTVL1Params params = GetParam();
+        const tuple<int, double> filteringScale = get<0>(params);
+            const int medianFiltering = get<0>(filteringScale);
+            const double scaleStep = get<1>(filteringScale);
+        const bool useInitFlow = get<1>(params);
+        const double eps = 0.001;
+
+        UMat uFrame0; frame0.copyTo(uFrame0);
+        UMat uFrame1; frame1.copyTo(uFrame1);
+        UMat uFlow(srcSize, CV_32FC2);
+        declare.in(uFrame0, uFrame1, WARMUP_READ).out(uFlow, WARMUP_READ);
+
+        //create algorithm
+        cv::Ptr<cv::DenseOpticalFlow> alg = cv::createOptFlow_DualTVL1();
+
+        //set parameters
+        alg->set("scaleStep", scaleStep);
+        alg->setInt("medianFiltering", medianFiltering);
+
+        if (useInitFlow)
+        {
+            //calculate initial flow as result of optical flow
+            OCL_ON(alg->calc(uFrame0, uFrame1, uFlow));
+        }
+
+        //set flag to use initial flow
+        alg->setBool("useInitialFlow", useInitFlow);
+        OCL_TEST_CYCLE()
+            alg->calc(uFrame0, uFrame1, uFlow);
+
+        SANITY_CHECK(uFlow, eps, ERROR_RELATIVE);
+    }
+
+    }
+} // namespace cvtest::ocl
+
+#endif // HAVE_OPENCL
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modules/video/test/ocl/test_optflow_tvl1flow.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// 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.
+// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#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
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