Histogram, as a basic description of the image or the gray distribution, using of statistical characteristics of it, are compared in similarity.

直方图作为对图像颜色或灰度分布的一种基本描述量，文中利用其统计特征进行直方图之间的相似性度量。

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Firstly, a topology generator is designed based on the analysis of several basic topology models and various statistical characteristics of the complex network.

首先阐述复杂网络的几种基本拓扑模型及其相互不同的统计特征，并设计开发了复杂网络拓扑生成器。

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