function?fcmapp（file?cluster_n）
%?FCMAPP
%?fcmapp（file?cluter_n）?segments?a?image?named?file?using?the?algorithm
%?FCM.
%?[in]
%???file:?the?path?of?the?image?to?be?clustered.
%???cluster_n:?the?number?of?cluster?for?FCM.

eval（[‘info=imfinfo（‘‘‘file?‘‘‘）;‘]）;
switch?info.ColorType
????case?‘truecolor‘
????????eval（[‘RGB=imread（‘‘‘file?‘‘‘）;‘]）;
%???????[X?map]?=?rgb2ind（RGB?256）;
????????I?=?rgb2gray（RGB）;
????????clear?RGB;
????case?‘indexed‘
????????eval（[‘[X?map]=imread（‘‘‘file?‘‘‘）;‘]）;
????????I?=?ind2gray（X?map）;
????????clear?X;
????case?‘grayscale‘
????????eval（[‘I=imread（‘‘‘file?‘‘‘）;‘]）;
end;
I?=?im2double（I）;
filename?=?file（1?:?find（file==‘.‘）-1）;
data?=?reshape（I?numel（I）?1）;

tic
[center?U?obj_fcn]=fcm（data?cluster_n）;
elapsedtime?=?toc;

%eval（[‘save（‘?filename?int2str（cluster_n）‘.mat‘‘?‘‘center‘‘?‘‘U‘‘?‘‘obj_fcn‘‘?‘‘elapsedtime‘‘）;‘]）;
fprintf（‘elapsedtime?=?%d‘?elapsedtime）;

maxU=max（U）;
temp?=?sort（center?‘ascend‘）;
for?n?=?1:cluster_n;
????eval（[‘cluster‘int2str（n）?‘_index?=?find（U（‘?int2str（n）?‘:）?==?maxU）;‘]）;
????index?=?find（temp?==?center（n））;
????switch?index
????????case?1
????????????color_class?=?0;
????????case?cluster_n
????????????color_class?=?255;
????????otherwise
????????????color_class?=?fix（255*（index-1）/（cluster_n-1））;
????end
????eval（[‘I（cluster‘int2str（n）?‘_index（:））=‘?int2str（color_class）‘;‘]）;
end;
filename?=?file（1:find（file==‘.‘）-1）;
I?=?mat2gray（I）;
%eval（[‘imwrite（I‘?filename‘_seg‘?int2str（cluster_n）?‘.bmp‘‘）;‘]）;
imwrite（I?‘temp\tu2_4.bmp‘）;
imview（I）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1625??2005-09-20?17:22??fcmapp.m

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?????????????????1843????????????????????2