Image not displaying exactly

I have a image ,divided it to blocks, drawn rectangle and now when i displayes it is not displaying ,plz tell where i made mistake

clc
clear all
I=imread('peppers.png');
I=rgb2gray(I);
[ r c n ]=size(I);

siz = 64;
bs = siz;
Original =  I; G = I    ;
nob = (r/bs)*(c/bs);
in =0;
kk=0;
for i=1:(r/bs)
    for j=1:(c/bs)
        myima8(:,:,kk+j)=G((bs*(i-1)+1:bs*(i-1)+bs),(bs*(j-1)+1:bs*(j-1)+bs));

          k8((bs*(i-1)+1:bs*(i-1)+bs),(bs*(j-1)+1:bs*(j-1)+bs))=figure,imshow(myima8(:,:,kk+j));rectangle('Position',[3,3,60,60],'EdgeColor','r','LineWidth',2)

      end
      kk=kk+(r/bs);
  end

figure;imshow(k8,[])

kindly assist

[Youssef Khmou]

hi, it keeps displaying figures of blocks , is that your goal, the code is working , what do you mean its not displaying?

it displayed more than 40 images, just in case you want stop it, use ctrl+c

[nkumar]

but it shows black and white,not original image,i need rectangular boxes over each subblock in final image

Answer 1

[Youssef Khmou]

nkumar,

i see now how you want the blocks merged into single output,

try this ,

 clc,clear all
I=rgb2gray(im2double(imread('peppers.png')));
[m n]=size(I);
dx=64;
dy=64;
J=I;
for x=1:m

        if mod(x,64)==0

            J(x,:)=0;
        end
end

 for y=1:n

        if mod(y,64)==0

            J(:,y)=0;
        end
end

    figure, imshow(J);

Waiting for better approach by decomposing I into 48 blocks each of 64² pixels...

Answer 2

[Walter Roberson]

Your fragment

k8((bs*(i-1)+1:bs*(i-1)+bs),(bs*(j-1)+1:bs*(j-1)+bs))=figure

creates a new figure window and copies the (numeric) handle graphics handle of the figure window into those elements of k8(). That is not going to be what you want to do!

I have no idea what you are expecting your "k8" to represent, but storing numeric figure handles in there is not going to be useful.

[nkumar]

walter i need as

http://imgur.com/sc6eIJ5