title: how to read and store rgb values of each pixel after image quantization
body: <p>Hi
  i have quantized an image to 64 colors using 
  [img1,map]=rgb2ind(RGB_img,64);
  now i want to read the rbg values of each pixel of the quantized image 'img1' and store it in a variable.
  please help
  with regards 
  dev</p>