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词汇
logarithmic contrast
释义
logarithmic contrast
对数反差
反差(对比度)的测度方法之一。它是影像或目标与背景间光亮度明暗差异程式的一种描述,反映人眼观察、差别影像的效果。对数反差定义为C1=LOG(Bmax/Bmin)式中Bmax、Bmin分别为光亮度的最大、最小值。
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