www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/ConvertIndexedImagetoRGBExample.m
%% Convert Indexed Image to RGB % Read an image and convert it to an RGB image. % Copyright 2015 The MathWorks, Inc. %% % Read the first image in the sample indexed image file, |corn.tif|. [X,map] = imread('corn.tif'); %% % |X| is a 415-by-312 array of type |uint8|. %% % Verify that the colormap, |map|, is not empty, and convert the data in % |X| to RGB. if ~isempty(map) Im = ind2rgb(X,map); end %% % View the size and class of |X|. whos Im %% % |X| is now a 415-by-312-by-3 array of type |double|.