f4334277
 Hu Chunming
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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) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage 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/photo/cuda.hpp"
#include "opencv2/ts/cuda_test.hpp"
#include "opencv2/opencv_modules.hpp"
#include "cvconfig.h"
#if defined (HAVE_CUDA) && defined(HAVE_OPENCV_CUDAARITHM) && defined(HAVE_OPENCV_CUDAIMGPROC)
namespace opencv_test { namespace {
////////////////////////////////////////////////////////
// Brute Force Non local means
TEST(CUDA_BruteForceNonLocalMeans, Regression)
{
using cv::cuda::GpuMat;
cv::Mat bgr = readImage("../gpu/denoising/lena_noised_gaussian_sigma=20_multi_0.png", cv::IMREAD_COLOR);
ASSERT_FALSE(bgr.empty());
cv::resize(bgr, bgr, cv::Size(256, 256));
cv::Mat gray;
cv::cvtColor(bgr, gray, cv::COLOR_BGR2GRAY);
GpuMat dbgr, dgray;
cv::cuda::nonLocalMeans(GpuMat(bgr), dbgr, 20);
cv::cuda::nonLocalMeans(GpuMat(gray), dgray, 20);
#if 0
dumpImage("../gpu/denoising/nlm_denoised_lena_bgr.png", cv::Mat(dbgr));
dumpImage("../gpu/denoising/nlm_denoised_lena_gray.png", cv::Mat(dgray));
#endif
cv::Mat bgr_gold = readImage("../gpu/denoising/nlm_denoised_lena_bgr.png", cv::IMREAD_COLOR);
cv::Mat gray_gold = readImage("../gpu/denoising/nlm_denoised_lena_gray.png", cv::IMREAD_GRAYSCALE);
ASSERT_FALSE(bgr_gold.empty() || gray_gold.empty());
cv::resize(bgr_gold, bgr_gold, cv::Size(256, 256));
cv::resize(gray_gold, gray_gold, cv::Size(256, 256));
EXPECT_MAT_NEAR(bgr_gold, dbgr, 1);
EXPECT_MAT_NEAR(gray_gold, dgray, 1);
}
////////////////////////////////////////////////////////
// Fast Force Non local means
TEST(CUDA_FastNonLocalMeans, Regression)
{
using cv::cuda::GpuMat;
cv::Mat bgr = readImage("../gpu/denoising/lena_noised_gaussian_sigma=20_multi_0.png", cv::IMREAD_COLOR);
ASSERT_FALSE(bgr.empty());
cv::Mat gray;
cv::cvtColor(bgr, gray, cv::COLOR_BGR2GRAY);
GpuMat dbgr, dgray;
cv::cuda::fastNlMeansDenoising(GpuMat(gray), dgray, 20);
cv::cuda::fastNlMeansDenoisingColored(GpuMat(bgr), dbgr, 20, 10);
#if 0
dumpImage("../gpu/denoising/fnlm_denoised_lena_bgr.png", cv::Mat(dbgr));
dumpImage("../gpu/denoising/fnlm_denoised_lena_gray.png", cv::Mat(dgray));
#endif
cv::Mat bgr_gold = readImage("../gpu/denoising/fnlm_denoised_lena_bgr.png", cv::IMREAD_COLOR);
cv::Mat gray_gold = readImage("../gpu/denoising/fnlm_denoised_lena_gray.png", cv::IMREAD_GRAYSCALE);
ASSERT_FALSE(bgr_gold.empty() || gray_gold.empty());
EXPECT_MAT_NEAR(bgr_gold, dbgr, 1);
EXPECT_MAT_NEAR(gray_gold, dgray, 1);
}
}} // namespace
#endif // HAVE_CUDA
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