The experiments show that the proposed method retains the merits of maximum-minimum method and is simple and effective in random impulsive noise removal.
本文方法保留了最大-最小值方法去除随机脉冲噪声的优点，且检测算法简单，去噪快速有效。
This paper introduces one item named variance rate of gray level and improves the maximum-minimum method by simplifying the noise examination process for suppressing the random impulsive noise.
引入灰度变化率的概念，并据此提出了一种去除随机脉冲噪声的改进算法，将其用于噪声点的检测，简化了最大-最小值方法中的噪声检测过程。
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