• 关键块特征 - 引用次数：2

  Density feature as well as key block feature is proved to be efficient in describing the document image. In other words, the features defined and extracted in this paper are efficient.

  密度特征和关键块特征已经被证明具有良好的区分度。

  参考来源 - 基于特征的文档图像检索

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