Grayscale to RGB Converter

Version 1.0.0.0 (257 KB) by Valeriy Korostyshevskiy
Convert grayscale images to RGB using a specified colormap.
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Updated 11 Dec 2006

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The function converts grayscale images to RGB using a specified colormap. The default colormap is ``hot''. The graysale image is supplied either as a name or a matrix.

Example:

res = grs2rgb(im,cmap);

res is a size(im)-by-3 RGB image.

Cite As

Valeriy Korostyshevskiy (2026). Grayscale to RGB Converter (https://uk.mathworks.com/matlabcentral/fileexchange/13312-grayscale-to-rgb-converter), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2006b
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
Find more on Color and Styling in Help Center and MATLAB Answers
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Acknowledgements

Inspired by: Gray image to Color image conversion

Inspired: rgb2hex and hex2rgb

Version Published Release Notes
1.0.0.0

Added html file