MATLAB: Convert RGB to GRAY

image processing

How to convert the image RGB to GRAYSCALE..But not working the rgbtogray function

Best Answer

Perhaps you mean RGB2GRAY. I don't know of any RGBTOGRAY function.

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MATLAB: Gray image quantization

Thank you, I found the Solution:

R2D = mat2gray(R2D);
[R2D8,map] = gray2ind(R2D,128); 
pic = ind2gray(R2D8,map);
pic = mat2gray(pic);
imshow(pic);

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