opencv/modules/calib3d/test/opencl/test_stereobm.cpp

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///////////////////////////////////////////////////////////////////////////////////////
//
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//
// By downloading, copying, installing or using the software you agree to this license.
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// copy or use the software.
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//
// 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.
// Third party copyrights are property of their respective owners.
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// Redistribution and use in source and binary forms, with or without modification,
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#include "test_precomp.hpp"
#include "cvconfig.h"
#include "opencv2/ts/ocl_test.hpp"
#ifdef HAVE_OPENCL
namespace cvtest {
namespace ocl {
PARAM_TEST_CASE(StereoBMFixture, int, int)
{
int n_disp;
int winSize;
Mat left, right, disp;
UMat uleft, uright, udisp;
virtual void SetUp()
{
n_disp = GET_PARAM(0);
winSize = GET_PARAM(1);
left = readImage("gpu/stereobm/aloe-L.png", IMREAD_GRAYSCALE);
right = readImage("gpu/stereobm/aloe-R.png", IMREAD_GRAYSCALE);
ASSERT_FALSE(left.empty());
ASSERT_FALSE(right.empty());
left.copyTo(uleft);
right.copyTo(uright);
}
void Near(double eps = 0.0)
{
EXPECT_MAT_NEAR_RELATIVE(disp, udisp, eps);
}
};
OCL_TEST_P(StereoBMFixture, StereoBM)
{
Ptr<StereoBM> bm = createStereoBM( n_disp, winSize);
bm->setPreFilterType(bm->PREFILTER_XSOBEL);
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// bm->setMinDisparity(15);
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long t1 = clock();
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OCL_OFF(bm->compute(left, right, disp));
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long t2 = clock();
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OCL_ON(bm->compute(uleft, uright, udisp));
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cv::ocl::finish();
long t3 = clock();
std::cout << (double)(t2-t1)/CLOCKS_PER_SEC << " " << (double)(t3-t2)/CLOCKS_PER_SEC << std::endl;
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/*
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Mat t; absdiff(disp, udisp, t);
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for(int i = 0; i<t.rows; i++)
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for(int j = 0; j< t.cols; j++)
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if(t.at<short>(i,j) > 0)
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// if(i == 5 && j == 68)
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printf("%d %d cv: %d ocl: %d\n", i, j, disp.at<short>(i,j), udisp.getMat(ACCESS_READ).at<short>(i,j) );
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/* imshow("diff.png", t*100);
imshow("cv.png", disp*100);
imshow("ocl.png", udisp.getMat(ACCESS_READ)*100);
waitKey(0);*/
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Near(1e-3);
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}
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OCL_INSTANTIATE_TEST_CASE_P(StereoMatcher, StereoBMFixture, testing::Combine(testing::Values(32, 64, 128),
testing::Values(11, 21)));
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}//ocl
}//cvtest
#endif //HAVE_OPENCL