Usually the maximum filter can remove negative impulsive noise and the minimum filter can remove positive impulsive noise effectively.However, both of them invalidate to mixed impulsive noise.
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释义
极大滤波器通常能有效地滤除图象中的负脉冲噪声,而极小滤波器可以滤除正脉冲噪声,但两者均对混合型脉冲噪声失效。
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