how to get co-efficient from an image

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FIR
FIR 2012-1-2
I have an image plz tell how to get co-efficient as output
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FIR
FIR 2012-1-2
Walter am getting numreric values as per ur comment in my previous question
I=imread('lena.bmp')
K=dec2bin(I);
[r c]=size(K)
J=K-0;
W=zeros(r,c);
J=K-W
i get numeric values
FIR
FIR 2012-1-2
walter plz look at this picture
http://www.sendspace.com/file/rq0diw
i have completed till modified ebcot .plz tell how to get output bit stream

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回答（1 个）

Walter Roberson
Walter Roberson 2012-1-2
K = dec2bin(I) - '0';
I did specifically say to subtract the character '0' not the number 0.

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