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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16.2K Downloads
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 (2025). Grayscale to RGB Converter (https://www.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
Acknowledgements

Inspired by: Gray image to Color image conversion

Inspired: rgb2hex and hex2rgb

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Version Published Release Notes
1.0.0.0

Added html file