how to represents image as a color blocks ?

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Ade Aulya 2020-1-26

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关闭： MATLAB Answer Bot 2021-8-20

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Hi,

i've quantisized my image using this code :

a=size(img);
w=a(2);
h=a(1);
im=img/255;
imq=zeros(100);
for i=1:h
 for j=1:w
  th=1/n;
 for k=1:n
    if(im(i,j)>th)
        imq(i,j)=th+1/n;
    th=th+1/n;
 end
 end
 end
end

But then i want to try to represent my image as example below. Thus, can differentiate between the BG and objects of the image. Could anyone please help me how to do it please ?