% 原图像显示
- picture_read = imread('1.jpg');
- subplot(2,4,1);
- figure0 = imshow(picture_read);
- title('原图')
% 图像灰度化
- picture_gray = rgb2gray(picture_read);
- subplot(2,4,2);
- figure1=imshow(picture_gray);
- title('图像灰度化')
% 直方图均衡
- picture_balance = histeq(picture_gray);
- subplot(2,4,3);
- figure2 = imshow(picture_balance);
- title('直方图均衡')
% 图像加上高斯噪声
- picture_gaussian = imnoise(picture_gray,'gaussian');
- subplot(2,4,4);
- figure3 = imshow(picture_gaussian);
- title('加上高斯噪声')
% 图像加上椒盐噪声
- picture_salt = imnoise(picture_gray,'salt & pepper');
- subplot(2,4,5);
- figure4 = imshow(picture_salt);
- title('加上椒盐噪声')
% 图像加上泊松噪声
- picture_poisson = imnoise(picture_gray,'poisson');
- subplot(2,4,6);
- figure5 = imshow(picture_poisson);
- title('加上泊松噪声');
% 绘制灰度直方图
figure, imhist(picture_gray);
来源: http://www.bubuko.com/infodetail-2995491.html