diff options
Diffstat (limited to 'thirdparty1/linux/include/opencv2/xphoto/bm3d_image_denoising.hpp')
| -rw-r--r-- | thirdparty1/linux/include/opencv2/xphoto/bm3d_image_denoising.hpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/thirdparty1/linux/include/opencv2/xphoto/bm3d_image_denoising.hpp b/thirdparty1/linux/include/opencv2/xphoto/bm3d_image_denoising.hpp new file mode 100644 index 0000000..5873f4c --- /dev/null +++ b/thirdparty1/linux/include/opencv2/xphoto/bm3d_image_denoising.hpp @@ -0,0 +1,186 @@ +/*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) 2009-2011, 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*/ + +#ifndef __OPENCV_BM3D_IMAGE_DENOISING_HPP__ +#define __OPENCV_BM3D_IMAGE_DENOISING_HPP__ + +/** @file +@date Jul 19, 2016 +@author Bartek Pawlik +*/ + +#include <opencv2/core.hpp> + +namespace cv +{ + namespace xphoto + { + //! @addtogroup xphoto + //! @{ + + //! BM3D transform types + enum TransformTypes + { + /** Un-normalized Haar transform */ + HAAR = 0 + }; + + //! BM3D algorithm steps + enum Bm3dSteps + { + /** Execute all steps of the algorithm */ + BM3D_STEPALL = 0, + /** Execute only first step of the algorithm */ + BM3D_STEP1 = 1, + /** Execute only second step of the algorithm */ + BM3D_STEP2 = 2 + }; + + /** @brief Performs image denoising using the Block-Matching and 3D-filtering algorithm + <http://www.cs.tut.fi/~foi/GCF-BM3D/BM3D_TIP_2007.pdf> with several computational + optimizations. Noise expected to be a gaussian white noise. + + @param src Input 8-bit or 16-bit 1-channel image. + @param dstStep1 Output image of the first step of BM3D with the same size and type as src. + @param dstStep2 Output image of the second step of BM3D with the same size and type as src. + @param h Parameter regulating filter strength. Big h value perfectly removes noise but also + removes image details, smaller h value preserves details but also preserves some noise. + @param templateWindowSize Size in pixels of the template patch that is used for block-matching. + Should be power of 2. + @param searchWindowSize Size in pixels of the window that is used to perform block-matching. + Affect performance linearly: greater searchWindowsSize - greater denoising time. + Must be larger than templateWindowSize. + @param blockMatchingStep1 Block matching threshold for the first step of BM3D (hard thresholding), + i.e. maximum distance for which two blocks are considered similar. + Value expressed in euclidean distance. + @param blockMatchingStep2 Block matching threshold for the second step of BM3D (Wiener filtering), + i.e. maximum distance for which two blocks are considered similar. + Value expressed in euclidean distance. + @param groupSize Maximum size of the 3D group for collaborative filtering. + @param slidingStep Sliding step to process every next reference block. + @param beta Kaiser window parameter that affects the sidelobe attenuation of the transform of the + window. Kaiser window is used in order to reduce border effects. To prevent usage of the window, + set beta to zero. + @param normType Norm used to calculate distance between blocks. L2 is slower than L1 + but yields more accurate results. + @param step Step of BM3D to be executed. Possible variants are: step 1, step 2, both steps. + @param transformType Type of the orthogonal transform used in collaborative filtering step. + Currently only Haar transform is supported. + + This function expected to be applied to grayscale images. Advanced usage of this function + can be manual denoising of colored image in different colorspaces. + + @sa + fastNlMeansDenoising + */ + CV_EXPORTS_W void bm3dDenoising( + InputArray src, + InputOutputArray dstStep1, + OutputArray dstStep2, + float h = 1, + int templateWindowSize = 4, + int searchWindowSize = 16, + int blockMatchingStep1 = 2500, + int blockMatchingStep2 = 400, + int groupSize = 8, + int slidingStep = 1, + float beta = 2.0f, + int normType = cv::NORM_L2, + int step = cv::xphoto::BM3D_STEPALL, + int transformType = cv::xphoto::HAAR); + + /** @brief Performs image denoising using the Block-Matching and 3D-filtering algorithm + <http://www.cs.tut.fi/~foi/GCF-BM3D/BM3D_TIP_2007.pdf> with several computational + optimizations. Noise expected to be a gaussian white noise. + + @param src Input 8-bit or 16-bit 1-channel image. + @param dst Output image with the same size and type as src. + @param h Parameter regulating filter strength. Big h value perfectly removes noise but also + removes image details, smaller h value preserves details but also preserves some noise. + @param templateWindowSize Size in pixels of the template patch that is used for block-matching. + Should be power of 2. + @param searchWindowSize Size in pixels of the window that is used to perform block-matching. + Affect performance linearly: greater searchWindowsSize - greater denoising time. + Must be larger than templateWindowSize. + @param blockMatchingStep1 Block matching threshold for the first step of BM3D (hard thresholding), + i.e. maximum distance for which two blocks are considered similar. + Value expressed in euclidean distance. + @param blockMatchingStep2 Block matching threshold for the second step of BM3D (Wiener filtering), + i.e. maximum distance for which two blocks are considered similar. + Value expressed in euclidean distance. + @param groupSize Maximum size of the 3D group for collaborative filtering. + @param slidingStep Sliding step to process every next reference block. + @param beta Kaiser window parameter that affects the sidelobe attenuation of the transform of the + window. Kaiser window is used in order to reduce border effects. To prevent usage of the window, + set beta to zero. + @param normType Norm used to calculate distance between blocks. L2 is slower than L1 + but yields more accurate results. + @param step Step of BM3D to be executed. Allowed are only BM3D_STEP1 and BM3D_STEPALL. + BM3D_STEP2 is not allowed as it requires basic estimate to be present. + @param transformType Type of the orthogonal transform used in collaborative filtering step. + Currently only Haar transform is supported. + + This function expected to be applied to grayscale images. Advanced usage of this function + can be manual denoising of colored image in different colorspaces. + + @sa + fastNlMeansDenoising + */ + CV_EXPORTS_W void bm3dDenoising( + InputArray src, + OutputArray dst, + float h = 1, + int templateWindowSize = 4, + int searchWindowSize = 16, + int blockMatchingStep1 = 2500, + int blockMatchingStep2 = 400, + int groupSize = 8, + int slidingStep = 1, + float beta = 2.0f, + int normType = cv::NORM_L2, + int step = cv::xphoto::BM3D_STEPALL, + int transformType = cv::xphoto::HAAR); + //! @} + } +} + +#endif // __OPENCV_BM3D_IMAGE_DENOISING_HPP__ |