資源簡介
改進后的非線性各向異性擴散用于圖像中的保邊去噪,增加了二階導數,是濾波效果更好
代碼片段和文件信息
function?y?=?anidifstep(x?a?b?c)
%?ANIDIFSTEP???Anisotropic?diffusion?step
%
%????y?=?ANIDIFSTEP(x?a?b?c)?calculates?de?anisotropic?(tensor)?
%????diffusion?step?“y“?based?on?the?image?“x“?and?on?the?diffusion?tensor?“D“.
%???????D?=?/?a??b?\
%???????????\?b??c?/
%
%????The?diffused?image?is?calculated?as:
%??????xd?=?x?+?T*anidifstep(xd)???T?=?step?size
%
%?Translations?of?a
a_apo?=?a?+?roll(a[1?0]);
a_amo?=?roll(a_apo[-1?0]);
%a_apo?=?a?+?roll(a[1??0]);
%a_amo?=?roll(a_apo[-1?0]);
%?Translations?of?b
bop?=?roll(b[0?1]);
bom?=?roll(b[0?-1]);
bpo?=?roll(b[1?0]);
bmo?=?roll(b[-1?0]);
%?Translations?of?c
%cop?=?roll(c[0??1]);
%com?=?roll(c[0?-1]);
c_cop?=?c?+?roll(c[0?1]);
c_com?=?roll(c_cop[0?-1]);
%?Translations?of?x
xop?=?roll(x[?0
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????I.A....??????1407??2001-11-27?22:33??新建文件夾?(2)\anidifstep.m
????I.A....?????11313??2010-09-26?09:40??新建文件夾?(2)\cedif.m
?????文件???????1502??2001-12-25?22:36??新建文件夾?(2)\conv2br.m
????I.A....??????2437??2002-01-22?23:44??新建文件夾?(2)\grow.m
????I.A....??????3549??2010-09-27?20:20??新建文件夾?(2)\gsderiv.m
????I.A....??????8593??2010-09-27?21:14??新建文件夾?(2)\imprcedif.m
????I.A....??????1157??2002-04-08?08:54??新建文件夾?(2)\isodifstep.m
????I.A....??????1770??2010-09-27?21:19??新建文件夾?(2)\newtest.m
????I.A....?????58904??2009-09-29?14:08??新建文件夾?(2)\noise.png
????I.A....??????1227??2001-12-25?23:50??新建文件夾?(2)\orideriv.m
????I.A....??????2119??2002-01-23?19:58??新建文件夾?(2)\roll.m
????I.A....?????43117??2009-09-29?14:08??新建文件夾?(2)\sync.png
????I..D...?????????0??2010-09-28?16:13??新建文件夾?(2)
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???????????????137095????????????????????13
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