MATLAB什么语句能使图像灰度值按指定函数进行灰度值的拉伸

Question

如题所述

Answer 1

%自适应直方图均衡化
adapthisteq:

J = adapthisteq(I)
J = adapthisteq(I,param1,val1,param2,val2...)

例程：
I = imread('tire.tif');
A = adapthisteq(I,'clipLimit',0.02,'Distribution','rayleigh');
figure, imshow(I);
figure, imshow(A);