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>> close all;
clear all;

%load image
%load satellite.mat; X=x_true;     %get image X
%load mandrill.mat;
X=imread('lena256.jpg');
% X=imread('shape.jpg');X=double(X);
% load camera;
% X=camera;
%X=imread('text.png');
% X=imread('u.jpg');X=double(X);X=X(201:428,101:328);%N=228

[m,n]=size(X);
N=min(m,n); N=228;   Mx=N; Nx=N;  Mxcol=Mx*Nx;
%X=double(X(60+1:60+N,60+1:60+N));                     %processing the square image
%N=128;Mx=N; Nx=N;  Mxcol=Mx*Nx;
% X=double(X(31:31+N-1,36:36+N-1));
Ma=max(max(X));
Mi=min(min(X));
>>  X=(X-Mi)/(Ma-Mi);
??? Array dimensions must match for binary array op.
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