全局低照度图像增强matlab

clear; clc; close all; %读入图片 A=imread('before.png'); % A= rgb2gray(A); % mean2(A) % std2(A) %显示源图片 figure ; imshow(A); title('RGB Original Image') %调用ALTM outval = ALTM(A); % mean2(outval) % std2(outv

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