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    文件類型: .zip
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    發(fā)布日期: 2023-07-23
  • 語言: C/C++
  • 標簽: bm3d??圖像去噪??

資源簡介

三維塊匹配(BM3D)算法: 它首先把圖像分成一定大小的塊,根據(jù)圖像塊之間的相似性,把具有相似結構的二維圖像塊組合在一起形成三維數(shù)組,然后用聯(lián)合濾波的方法對這些三維數(shù)組進行處理,最后,通過逆變換,把處理后的結果返回到原圖像中,從而得到去噪后的圖像。該方法確實有效,它不僅有一個較高的信噪比,而且視覺效果也很好,是最經(jīng)典的算法之一。此為BM3D算法的C++完整代碼

資源截圖

代碼片段和文件信息

/*
?*?Copyright?(c)?2011?Marc?Lebrun?
?*?All?rights?reserved.
?*
?*?This?program?is?free?software:?you?can?use?modify?and/or
?*?redistribute?it?under?the?terms?of?the?GNU?General?Public
?*?License?as?published?by?the?Free?Software?Foundation?either
?*?version?3?of?the?License?or?(at?your?option)?any?later
?*?version.?You?should?have?received?a?copy?of?this?license?along
?*?this?program.?If?not?see?.
?*/


/**
?*?@file?bm3d.cpp
?*?@brief?BM3D?denoising?functions
?*
?*?@author?Marc?Lebrun?
?**/

#include?
#include?
#include?

#include?“bm3d.h“
#include?“utilities.h“
#include?“l(fā)ib_transforms.h“

#define?SQRT2?????1.414213562373095
#define?SQRT2_INV?0.7071067811865475
#define?YUV???????0
#define?YCBCR?????1
#define?OPP???????2
#define?RGB???????3
#define?DCT???????4
#define?BIOR??????5
#define?HADAMARD??6

#ifdef?_OPENMP
????#include?
#endif

?using?namespace?std;

?bool?ComparaisonFirst(pair?pair1?pair?pair2)
{
return?pair1.first?}

/**?-----------------?**/
/**?-?Main?function?-?**/
/**?-----------------?**/
/**
?*?@brief?run?BM3D?process.?Depending?on?if?OpenMP?is?used?or?not
?*????????and?on?the?number?of?available?threads?it?divides?the?noisy
?*????????image?in?sub_images?to?process?them?in?parallel.
?*
?*?@param?sigma:?value?of?assumed?noise?of?the?noisy?image;
?*?@param?img_noisy:?noisy?image;
?*?@param?img_basic:?will?be?the?basic?estimation?after?the?1st?step
?*?@param?img_denoised:?will?be?the?denoised?final?image;
?*?@param?width?height?chnls:?size?of?the?image;
?*?@param?useSD_h?(resp.?useSD_w):?if?true?use?weight?based
?*????????on?the?standard?variation?of?the?3D?group?for?the
?*????????first?(resp.?second)?step?otherwise?use?the?number
?*????????of?non-zero?coefficients?after?Hard?Thresholding
?*????????(resp.?the?norm?of?Wiener?coefficients);
?*?@param?tau_2D_hard?(resp.?tau_2D_wien):?2D?transform?to?apply
?*????????on?every?3D?group?for?the?first?(resp.?second)?part.
?*????????Allowed?values?are?DCT?and?BIOR;
?*?@param?color_space:?Transformation?from?RGB?to?YUV.?Allowed
?*????????values?are?RGB?(do?nothing)?YUV?YCBCR?and?OPP.
?*
?*?@return?EXIT_FAILURE?if?color_space?has?not?expected
?*?????????type?otherwise?return?EXIT_SUCCESS.
?**/
int?run_bm3d(
????const?float?sigma
???vector?&img_noisy
???vector?&img_basic
???vector?&img_denoised
???const?unsigned?width
???const?unsigned?height
???const?unsigned?chnls
???const?bool?useSD_h
???const?bool?useSD_w
???const?unsigned?tau_2D_hard
???const?unsigned?tau_2D_wien
???const?unsigned?color_space
){
????//!?Parameters
????const?unsigned?nHard?=?16;?//!?Half?size?of?the?search?window
????const?unsigned?nWien?=?16;?//!?Half?size?of?the?search?window
????const?unsigned?kHard?=?(tau_2D_hard?==?BIOR?||?sigma??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-17?13:01??bm3d_src\
?????目錄???????????0??2018-12-17?15:06??bm3d_src\.vs\
?????文件??????????44??2018-12-17?13:01??bm3d_src\.vs\ProjectSettings.json
?????文件?????????114??2018-12-17?15:06??bm3d_src\.vs\VSWorkspaceState.json
?????目錄???????????0??2018-12-17?13:01??bm3d_src\.vs\bm3d_src\
?????目錄???????????0??2018-12-17?15:06??bm3d_src\.vs\bm3d_src\v15\
?????文件???????22016??2018-12-17?15:06??bm3d_src\.vs\bm3d_src\v15\.suo
?????文件?????6287360??2018-12-17?15:06??bm3d_src\.vs\bm3d_src\v15\Browse.VC.db
?????目錄???????????0??2018-12-17?13:01??bm3d_src\.vs\bm3d_src\v15\ipch\
?????目錄???????????0??2018-12-17?13:02??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\
?????目錄???????????0??2018-12-17?13:05??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\125b3706f1ad177c\
?????文件????32309248??2018-12-17?13:05??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\125b3706f1ad177c\UTILITIES.ipch
?????目錄???????????0??2018-12-17?13:05??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\4125cd27a26487a9\
?????文件????33357824??2018-12-17?13:05??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\4125cd27a26487a9\MAIN.ipch
?????目錄???????????0??2018-12-17?13:02??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\937b23f2080d25da\
?????文件????35127296??2018-12-17?13:02??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\937b23f2080d25da\BM3D.ipch
?????目錄???????????0??2018-12-17?13:02??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\dcea950fba765a45\
?????文件????24379392??2018-12-17?13:02??bm3d_src\.vs\bm3d_src\v15\ipch\AutoPCH\dcea950fba765a45\LIB_TRANSFORMS.ipch
?????文件???????77824??2018-12-17?15:06??bm3d_src\.vs\slnx.sqlite
?????文件????????1100??2011-12-15?21:32??bm3d_src\Makefile
?????文件????????3372??2012-04-13?22:34??bm3d_src\README.txt
?????文件???????54878??2012-04-14?00:36??bm3d_src\bm3d.cpp
?????文件????????4788??2012-04-13?23:35??bm3d_src\bm3d.h
?????文件???????22401??2010-09-07?21:03??bm3d_src\io_png.c
?????文件?????????753??2010-09-07?21:03??bm3d_src\io_png.h
?????文件???????13021??2012-04-13?23:08??bm3d_src\lib_transforms.cpp
?????文件????????1500??2012-04-13?23:08??bm3d_src\lib_transforms.h
?????文件????????6889??2012-04-13?23:09??bm3d_src\main.cpp
?????文件????????5065??2010-09-18?07:30??bm3d_src\mt19937ar.c
?????文件?????????250??2010-09-18?07:30??bm3d_src\mt19937ar.h
?????文件???????21659??2012-04-13?23:09??bm3d_src\utilities.cpp
............此處省略1個文件信息

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