function [p_deg p_ola]=olabul(Y);
% Y goruntusunde gecen farkli piksel degerlerini ve
% olasilik degerlerini hesaplar
Y=double(Y);
his=zeros(1,256);
for i=1:size(Y,1)
    for j=1:size(Y,2)
        k=Y(i,j);
        his(k+1)=his(k+1)+1;
    end
end
 
y=1;
for c=1:256
   
    if his(c)==0
        continue
    end
    p_deg(y)=c-1;
    p_ola(y)=his(c)/(size(Y,1)*size(Y,2));
    y=y+1;
   
end
 
% end of function