使用Hist函数实现图像直方图

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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：

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