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随机噪声: >> snoise = 0.25*randn(size(original)); >> j = imadd(original,im2uint8(snoise)); >> imwrite(j,'H:\randNoise0.25.jpg','JPG'); %imwrite可以确保保存的图片周围没有save as的白色区域 椒盐噪声: >> j = imnoise(original,'salt & pepper',0.01); 高斯噪声: >> j = imnoise(original,'gaussian',0,0.01); |
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