The use of moments for image analysis is straightforward if we consider a binary or gray level image segment as a two-dimensional density distribution function.
若把二值图或灰度图看作是二维密度分布函数，就可把矩技术应用于图像分析中。
This paper analyzes the probability density distribution of the non-soluble deposit density, and hence deduces a combined probability density distribution function.
笔者分析了灰密的概率密度分布，并推导出盐密与灰密的联合概率密度函数。
This paper analyzes the probability density distribution of the non-soluble deposit density, and hence deduces a combined probability density distribution function.
笔者分析了灰密的概率密度分布，并推导出盐密与灰密的联合概率密度函数。
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