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图像处理——噪声小记
2022-04-23 10:25:00 【爱不持久】
图像处理中的噪声主要分为两类
加性噪声:和图像强度本身没有关系,可以看作直接叠加的。
乘性噪声:和图像信号是相关的,往往随图像信号的变化而变化。
加性噪声符合某种概率分布,主要有一下几种:
高斯噪声(白噪声):正态分布,白点。用高斯滤波(均值)。
椒盐噪声:脉冲造成的随便改变一些像素点,黑白点。用非线性滤波(中值)
泊松噪声:泊松分布。
目前来说图像去噪分为三大类:基于滤波器的方法(Filtering-Based Methods)、基于模型的方法(Model-Based Methods)和基于学习的方法(Learning-Based Methods)。
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本文为[爱不持久]所创,转载请带上原文链接,感谢
https://blog.csdn.net/wacebb/article/details/124342664
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