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/*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 {
/////////////////////////////////////////////////////////////////////////////////////////////////
// PyrLKOpticalFlow
PARAM_TEST_CASE(PyrLKOpticalFlow, int, int)
{
Size winSize;
int maxLevel;
TermCriteria criteria;
int flags;
double minEigThreshold;
virtual void SetUp()
{
winSize = Size(GET_PARAM(0), GET_PARAM(0));
maxLevel = GET_PARAM(1);
criteria = TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, 30, 0.01);
flags = 0;
minEigThreshold = 1e-4f;
}
};
OCL_TEST_P(PyrLKOpticalFlow, Mat)
{
static const int npoints = 1000;
static const float eps = 0.03f;
cv::Mat frame0 = readImage("optflow/RubberWhale1.png", cv::IMREAD_GRAYSCALE);
ASSERT_FALSE(frame0.empty());
UMat umatFrame0; frame0.copyTo(umatFrame0);
cv::Mat frame1 = readImage("optflow/RubberWhale2.png", cv::IMREAD_GRAYSCALE);
ASSERT_FALSE(frame1.empty());
UMat umatFrame1; frame1.copyTo(umatFrame1);
std::vector<cv::Point2f> pts;
cv::goodFeaturesToTrack(frame0, pts, npoints, 0.01, 0.0);
std::vector<cv::Point2f> cpuNextPts;
std::vector<unsigned char> cpuStatusCPU;
std::vector<float> cpuErr;
OCL_OFF(cv::calcOpticalFlowPyrLK(frame0, frame1, pts, cpuNextPts, cpuStatusCPU, cpuErr, winSize, maxLevel, criteria, flags, minEigThreshold));
UMat umatNextPts, umatStatus, umatErr;
OCL_ON(cv::calcOpticalFlowPyrLK(umatFrame0, umatFrame1, pts, umatNextPts, umatStatus, umatErr, winSize, maxLevel, criteria, flags, minEigThreshold));
std::vector<cv::Point2f> nextPts; umatNextPts.reshape(2, 1).copyTo(nextPts);
std::vector<unsigned char> status; umatStatus.reshape(1, 1).copyTo(status);
std::vector<float> err; umatErr.reshape(1, 1).copyTo(err);
ASSERT_EQ(cpuNextPts.size(), nextPts.size());
ASSERT_EQ(cpuStatusCPU.size(), status.size());
size_t mistmatch = 0;
for (size_t i = 0; i < nextPts.size(); ++i)
{
if (status[i] != cpuStatusCPU[i])
{
++mistmatch;
continue;
}
if (status[i])
{
cv::Point2i a = nextPts[i];
cv::Point2i b = cpuNextPts[i];
bool eq = std::abs(a.x - b.x) < 1 && std::abs(a.y - b.y) < 1;
float errdiff = 0.0f;
if (!eq || errdiff > 1e-1)
++mistmatch;
}
}
double bad_ratio = static_cast<double>(mistmatch) / (nextPts.size());
ASSERT_LE(bad_ratio, eps);
}
OCL_INSTANTIATE_TEST_CASE_P(Video, PyrLKOpticalFlow,
Combine(
Values(21, 25),
Values(3, 5)
)
);
} } // namespace cvtest::ocl
#endif // HAVE_OPENCL