Normalize the image.

Hi sir i have this program to normalized the databese of images but when i run this program i have the error in :S(:,i)=(temp-m)*std/st+m; if you help me sir and thank you a lot ????
temp=reshape(img',irow*icol,1);
%S will eventually be a (N1*N2) x M matrix.
S=[S temp];
%Normalize.%Normalize.
for i=1:size(S,2)
temp=double(S(:,i));
m=mean(temp);
st=std(temp);
S(:,i)=(temp-m)*ust/st+um;
end

4 个评论

Please do provide all details, img, irow, icol, S?
Also what is 'the error' supposed to mean?! Errors come with details usually that help you work out what the problem is.
thank you for your reponse i have a error in this line
S(:,i)=(temp-m)*ust/st+um;
undefind ust and um ??????
Well, yes, given the code you provided they are undefined. The error message tells you precisely what the problem is!

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2019-10-23

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