Error , find entropy of 3d volumetric image on GLCM features ?

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Hla Hla
Hla Hla le 25 Août 2022
Commenté : Walter Roberson le 28 Août 2022
I will find GLCM feature. But error follow as:
cmap = copper(256);
recolored_image = rgb2gray(b1, cmap);
error as following;
Error using rgb2gray
Too many input arguments.

Réponses (2)

Walter Roberson
Walter Roberson le 25 Août 2022
rgb2gray() has never supported more than one input, and has never supported recoloring images.
rgb2ind supports passing in a colormap. You could recolor an image by using
ind = rgb2ind(b1, cmap);
recolored_image = ind2rgb(ind, cmap);

Abderrahim. B
Abderrahim. B le 25 Août 2022
b1 is not truecolor image that is a m-by-n-by-3 numeric array. b1 in your case is a m by n by l by 1 (4 D array). use reshape to deal with this.
Hope this helps
  4 commentaires
Walter Roberson
Walter Roberson le 28 Août 2022
What is size(b) after you read it?

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