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Evaluation of MPEG-7 shape descriptors against other shape descriptors

机译：针对其他形状描述符评估MPEG-7形状描述符

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摘要

Shape is an important image feature - it is one of the primary low level image features exploited in content-based image retrieval (CBIR). There are generally two types of shape descriptors in the literature: contour-based and region-based. In MPEG-7, the curvature scale space descriptor (CSSD) and Zernike moment descriptor (ZMD) have been adopted as the contour-based shape descriptor and region-based shape descriptor, respectively. In this paper, the two shape descriptors are evaluated against other shape descriptors, and the two shape descriptors are also evaluated against each other. Standard methodology is used in the evaluation. Specifically, we use standard databases, large data sets and query sets, commonly used performance measurement and guided principles. A Java-based client-server retrieval framework has been implemented to facilitate the evaluation. Results show that Fourier descriptor (FD) outperforms CSSD, and that CSSD can be replaced by either FD or ZMD.
机译：形状是重要的图像特征-它是基于内容的图像检索（CBIR）中利用的主要低级图像特征之一。文献中通常有两种类型的形状描述符：基于轮廓的和基于区域的。在MPEG-7中，曲率标度空间描述符（CSSD）和泽尼克矩描述符（ZMD）已分别被用作基于轮廓的形状描述符和基于区域的形状描述符。在本文中，两个形状描述符针对其他形状描述符进行评估，并且两个形状描述符也彼此进行评估。评估使用标准方法。具体来说，我们使用标准数据库，大型数据集和查询集，常用的性能评估和指导原则。已经实现了基于Java的客户端-服务器检索框架，以方便评估。结果表明，傅立叶描述符（FD）优于CSSD，并且CSSD可以用FD或ZMD代替。

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