本文针对自然图象中单像素灰度值的统计规律进行实验和分析，发现对数正态分布可以对之进行粗略、简单的建模。
This paper does some experiments and analysis on the single pixel gray value of natural images. We find that lognormal distribution can be used for the coarse and simple model of single pixel gray.
本文针对自然图象中单像素灰度值的统计规律进行实验和分析，发现对数正态分布可以对之进行粗略、简单的建模。
This paper does some experiments and analysis on the single pixel gray value of natural images. We find that lognormal distribution can be used for the coarse and simple model of single pixel gray.
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