www.gusucode.com > images 案例代码 matlab源码程序 > images/ConvertAMatrixIntoAnImageExample.m
%% Convert a Matrix into an Image % %% % Read an image and, for this example, turn it into a numeric matrix. % Copyright 2015 The MathWorks, Inc. I = imread('rice.png'); J = filter2(fspecial('sobel'),I); %% % Convert the matrix into an image. %% K = mat2gray(J); %% % Display the original image and the result of the conversion. %% imshow(I), figure, imshow(K)