文件列表:

src\addgaussnoise.c (3493, 2014-07-18)
src\CMakeLists.txt (302, 2015-03-13)
src\getopt.c (22292, 2007-09-26)
src\getopt.h (4529, 2007-09-26)
src\img_diff_ipol.cpp (3494, 2015-03-13)
src\img_mse_ipol.c (4250, 2015-03-13)
src\io_png.c (23435, 2012-08-20)
src\io_png.h (901, 2012-08-20)
src\libauxiliary.c (1942, 2014-07-18)
src\libauxiliary.h (258, 2013-02-06)
src\mt19937ar.c (4789, 2012-08-22)
src\mt19937ar.h (158, 2012-08-22)
src\NLMeansP.c (12628, 2015-03-13)
src\nlmp.c (15001, 2015-03-13)
src\tailor.h (7760, 2007-09-26)
src\unistd.h (200, 2015-03-13)
third_party\CMakeLists.txt (134, 2015-03-13)
third_party\libpng\aclocal.m4 (346246, 2012-07-08)
third_party\libpng\ANNOUNCE (4937, 2012-07-08)
third_party\libpng\arm\filter_neon.S (7337, 2012-07-08)
third_party\libpng\autogen.sh (877, 2012-07-08)
third_party\libpng\CHANGES (186030, 2012-07-08)
third_party\libpng\CMakeLists.txt (10177, 2014-12-03)
third_party\libpng\config.guess (42037, 2012-07-08)
third_party\libpng\config.h.in (3166, 2012-07-09)
third_party\libpng\config.sub (30315, 2012-07-08)
third_party\libpng\configure (452266, 2012-07-08)
third_party\libpng\configure.ac (5978, 2012-07-08)
third_party\libpng\contrib\gregbook\COPYING (18332, 2014-02-05)
third_party\libpng\contrib\gregbook\LICENSE (2423, 2014-02-05)
third_party\libpng\contrib\gregbook\Makefile.mingw32 (4035, 2014-02-05)
third_party\libpng\contrib\gregbook\Makefile.sgi (3070, 2014-02-05)
third_party\libpng\contrib\gregbook\Makefile.unx (4142, 2014-02-05)
third_party\libpng\contrib\gregbook\Makefile.w32 (3448, 2014-02-05)
third_party\libpng\contrib\gregbook\makevms.com (3689, 2014-02-05)
third_party\libpng\contrib\gregbook\readpng.c (10176, 2014-02-05)
third_party\libpng\contrib\gregbook\readpng.h (3348, 2014-02-05)
third_party\libpng\contrib\gregbook\readpng2.c (25417, 2014-02-05)
third_party\libpng\contrib\gregbook\readpng2.h (4063, 2014-02-05)
... ...

-------------------------------------------------------------------------------- This directory contains the source code associated to the following IPOL article: Title: Parameter-Free Fast Pixelwise Non-Local Means Denoising Authors: Jacques Froment -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- About: * Author : Jacques Froment * Version : 1.2 * Release Date : October 27, 2014 * Licence : GPL v3+ (see GPLv3.txt) but BSD (see BSD.txt) for src/nlmp.c * File src/nlmp.c implements algorithms possibly linked to the patents A. Buades, T. Coll and J.M. Morel, Image data processing method by reducing image noise, and camera integrating means for implementing said method, EP Patent 1,749,278 (Feb. 7, 2007). This source code is made available for the exclusive aim of serving as scientific tool to verify the soundness and completeness of the algorithm description. Compilation, execution and redistribution of this source code may violate patents rights in certain countries. The situation being different for every country and changing over time, it is your responsibility to determine which patent rights restrictions apply to you before you compile, use, modify, or redistribute this source code. A patent lawyer is qualified to make this determination. If and only if they don't conflict with any patent terms, you can benefit from the following license terms attached to this source code. -------------------------------------------------------------------------------- Overview: This source code provides a fast and parameter-free implementation of the pixelwise Non-Local Means image denoising method (NLMP for short). - Compilation. The compilation has been tested on Unix/Linux only. Automated compilation requires the make program. - Library. This code requires the libpng library. To enable parallel processing the OpenMP library is needed. - Image format. Only the PNG format is supported. -------------------------------------------------------------------------------- Usage: 1. Download the code package and extract it. Go to that directory. 2. Compile the source code (on Unix/Linux/Mac OS). There are two ways to compile the code. (1) RECOMMENDED, with Open Multi-Processing multithread parallelization (http://openmp.org/). Roughly speaking, it accelerates the program using the multiple processors in the computer. Run make opti OMP=1 OR (2) If the complier does not support OpenMp, run make opti (compiler optimization may be disable by removing the word "opti"). 3. Run the Fast Pixelwise Non-Local Means code by ./NLMeansP and get the PSNR between original and denoised image by ./img_mse_ipol 4. Example (you should provide a PNG noise-free image named "U.png"): make opti OMP=1 ./NLMeansP U.png 20 V.png Vd.png ./img_mse_ipol U.PNG Vd.png -------------------------------------------------------------------------------- List of files ([R] means Reviewed file): BSD.txt : BSD license for src/nlmp.c GPLv3.txt : GPL v3+ license for other files Makefile : compilation instructions for the make command README.txt : this README file In the src subdirectory: addgaussnoise.c : Add a gaussian noise to an image using Mersenne Twister pseudo-RNG coden (main file) img_mse_ipol.c : Compute the RMSE and the PSNR of two images in PNG format img_diff_ipol.cpp : Compute the difference of two images in PNG format (same code as in Antoni Buades, Bartomeu Coll, and Jean-Michel Morel, "Non-Local Means Denoising", IPOL 2011). io_png.c : PNG read/write simplified interface io_png.h : header (include file) for io_png.c libauxiliary.c : Contains the addgaussnoise() function libauxiliary.h : header (include file) for libauxiliary. mt19937ar.c : Mersenne Twister pseudo-RNG code mt19937ar.h : header (include file) for mt19937ar.c NLMeansP.c [R] : pixelwise NLMP (basic and SIL algorithms), main file nlmp.c [R] : pixelwise NLMP (basic and SIL algorithms), nlmp() function -------------------------------------------------------------------------------- History of changes: V1.2 - October 27, 2014: added img_diff_ipol.cpp to display image difference in the demo. V1.1 - September 8, 2014: Second submitted version to reflect manuscript V. 1.02. changes regarding V. 1.0: - Minor change in NLMeansP.c, function SetParam_a (no change for integer values of sigma); - The exp() function called to compute NLM-weights is now tabulated using a LUT (for faster access); - Add -c (clock) option to print the CPU time of the denoising process only (excluding I/O). V1.0 - July 18, 2014 : First submitted version --------------------------------------------------------------------------------

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