%%?This?file?demonstrates?the?Split?Bregman?method?for?Total?Variation?denoising
%
%???SB_ATV.m??Split?Bregman?Anisotropic?Total?Variation?Denoising
%???SB_ITV.m??Split?Bregman?Isotropic?Total?Variation?Denoising
%
%?Benjamin?Trémoulhéac
%?University?College?London
%?b.tremoulheac@cs.ucl.ac.uk
%?April?2012

clc;?clear?all;
close?all;

N?=?512;?n?=?N^2;
f?=?double（imread（‘Lena512‘‘png‘））;
g?=?f（:）?+?0.09*max（f（:））*randn（n1）;

mu?=?20;

g_denoise_atv?=?SB_ATV（gmu）;
g_denoise_itv?=?SB_ITV（gmu）;

fprintf（‘ATV?Rel.Err?=?%g\n‘norm（g_denoise_atv（:）?-?f（:））?/?norm（f（:）））;
fprintf（‘ITV?Rel.Err?=?%g\n‘norm（g_denoise_itv（:）?-?f（:））?/?norm（f（:）））;

figure;?colormap?gray;
subplot（221）;?imagesc（f）;?axis?image;?title（‘Original‘）;
subplot（222）;?imagesc（reshape（gNN））;?axis?image;?title（‘Noisy‘）;
subplot（223）;?imagesc（reshape（g_denoise_atvNN））;?axis?image;?
title（‘Anisotropic?TV?denoising‘）;
subplot（224）;?imagesc（reshape（g_denoise_itvNN））;?axis?image;?
title（‘Isotropic?TV?denoising‘）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????153785??2011-02-04?01:24??SplitBregman去噪模型\Lena512.png
?????文件????????1303??2018-08-12?10:52??SplitBregman去噪模型\SB_ATV.m
?????文件????????1196??2012-04-19?18:45??SplitBregman去噪模型\SB_ITV.m
?????文件?????????996??2012-04-19?18:45??SplitBregman去噪模型\main_denoising.m
?????目錄???????????0??2018-08-12?16:04??SplitBregman去噪模型\