draw image, How can I draw the image ? display cluster in an image

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Tomas
Tomas 2014-4-1
编辑： Tomas 2014-4-1
Hello, i have code, i need to draw image
my code
close all; clc; clear;
img = imread('pic7.png');
figure(), imshow(img);
impixelregion;
% nastavenie noveho obrazka
[y x z] = size(img)
for i=1:1:y
for j=1:1:x
imgNew(i, j, :) = 0;
end
end
[X_no_dither, map]= rgb2ind(img,12,'nodither');
figure, imshow(X_no_dither, map);
impixelregion;
img = im2double(X_no_dither)
P=size(img);
idx = kmeans(img,4,'emptyaction','singleton');
How can I draw the image back by?
Thank for help
  1 个评论
Tomas
Tomas 2014-4-1
idx = kmeans(img,4,'emptyaction','singleton'); clusteredImage = zeros(size(X_no_dither)); clusteredImage(sub2ind(size(X_no_dither) , m(:,1),m(:,2)))=idx;
imshow(label2rgb(clusteredImage))
??? Error using ==> sub2ind at 58 Out of range subscript.
Error in ==> test at 29 clusteredImage(sub2ind(size(X_no_dither) , m(:,1),m(:,2)))=idx;

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