i got answer from :
https://www.facebook.com/thematrixcoded
the code is :
m=imread('ll.bmp');
>> [c,g]=imhist(m);
>> K=[c,g];
>> Ks=sortrows(K);
Ki=Ks(end:-1:1,:);
Ki(Ki(:,1)==0,:)=[];
>> Ki
Thanku all for supporting
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