www.gusucode.com > images 案例代码 matlab源码程序 > images/IncreaseOrReduceLocalContrastOfImageExample.m

    %% Increase or Reduce Local Contrast of Image
% 
%%
% Import an RGB image.
A = imread('peppers.png');
%%
% Increase the local contrast of the input image.
edgeThreshold = 0.4;
amount = 0.5;
B = localcontrast(A, edgeThreshold, amount);
%% 
% Display the results compared to the original image
imshowpair(A, B, 'montage')
%%
% Reduce the local contrast of the input image.
amount = -0.5;
B = localcontrast(A, edgeThreshold, amount);
%% 
% Display the new results again, compared to the original image.
imshowpair(A, B, 'montage')