使用Hist函数实现图像直方图

参考代码

clear all;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                close all;
close all;
clc;

f =imread('pollen.tif');

subplot(3,2,1);
imshow(f),title('Orignal Img');
subplot(3,2,2);
imhist(f)

g = histeq(f,200);
subplot(3,2,3);
imshow(g),title('Histeq Img');
subplot(3,2,4);
imhist(g)

g1= adapthisteq(f);
subplot(3,2,5);
imshow(g1),title('adaptHisteq Img');
subplot(3,2,6);
imhist(g1);

figure;
g2= adapthisteq(f,'NumTiles',[25 25]);
subplot(2,2,1);
imshow(g2),title('adaptHisteq Img with Numtiles');
subplot(2,2,2);
imhist(g2);

g3= adapthisteq(f,'NumTiles',[25 25],'ClipLimit',0.05);
subplot(2,2,3);
imshow(g3),imshow(g2),title('adaptHisteq Img with Numtiles&ClipLimit');
subplot(2,2,4);
imhist(g3);

输出结果：

关于Image Engineering & Computer Vision的更多讨论与交流，敬请关注本博和新浪微博songzi_tea.