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·2,447,543篇论文数据，部分数据来源于NoteExpress
An elastic meshing feature extraction method based on the stroke density is proposed.
提出了一种基于笔画密度的弹性网格特征提取方法。
The brick panels feature patterns that vary in their density depending on the amount of light and privacy required within the interior.
砖面板的特色模式，在于其密度不同，而密度取决于内部所需的光量和隐私。
Abstract: a buoyancy method of measure diamond fi LMS density was reported. Feature of the method is quick, convenient accuracy and practical.
文摘：本文报道了一种测量金刚石膜密度的浮力法。这种方法的特点是快速、方便、准确和实用。
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