show ouput clustering images

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Tomas
Tomas 2014-3-17
评论： Image Analyst 2016-7-16
Hello
I = imread('flowers','jpg');
I = im2double(I);
HSV = rgb2hsv(I);
H = HSV(:,:,1); H = H(:);
S = HSV(:,:,2); S = S(:);
V = HSV(:,:,3); V = V(:);
HH=[H S V];
idx = kmeans(HH, 4);
how i show output ?
Thanks.

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回答（1 个）

Image Analyst
Image Analyst 2014-3-17
rgb2ind() will do cluster analysis of rgb images.
  2 个评论
Tomas
Tomas 2014-3-17
编辑：Tomas 2014-3-17
ok thanks, How do I use rg2ind ? for example
RGB = imread('flowers.tif');
[X,map] = rgb2ind(RGB,128);
imshow(X,map)
how to create something out of it as
H = HSV(:,:,1); H = H(:);
S = HSV(:,:,2); S = S(:);
V = HSV(:,:,3); V = V(:);
HH=[H S V];
idx = kmeans(HH, 4);
Image Analyst
Image Analyst 2016-7-16
rgb2ind() does the clustering itself using a variety of methods. You don't need to use kmeans afterwards, though you can use kmeans instead if you want to do it in HSV color space instead of rgb space.

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