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3-D shape descriptors and distance metrics for content-based artefact retrieval

机译:基于内容的人工制品检索的3-D形状描述符和距离度量

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The growing number of large multimedia collections has led to an increased interest in content-based retrieval research. Applications of content-based techniques to image retrieval is an active research area but much less work has been reported on content-based retrieval of 3-D objects in a multimedia database context. Increasingly such objects are being captured and added to multimedia collections and the European project, SCULPTEUR, is developing a museum information system which includes the introduction of facilities for content-based retrieval of the 3-D representations. This paper provides a comparison and evaluation of a range of 3-D shape descriptors and distance metrics which have been introduced into the SCULPTEUR project to demonstrate their use for content-based retrieval applications. Results show that while particular descriptors and distance metrics provide good overall performance, it can be more appropriate to choose different descriptors for different search tasks.
机译:大型多媒体收藏的数量不断增长,导致人们对基于内容的检索研究越来越感兴趣。基于内容的技术在图像检索中的应用是一个活跃的研究领域,但是有关在多媒体数据库环境中基于3D对象的基于内容的检索的工作报道很少。越来越多的对象被捕获并添加到多媒体收藏中,欧洲项目SCULPTEUR正在开发博物馆信息系统,其中包括引入用于基于内容的3-D表示检索的设施。本文对SCULPTEUR项目中引入的一系列3-D形状描述符和距离度量进行了比较和评估,以证明它们在基于内容的检索应用程序中的使用。结果表明,尽管特定的描述符和距离度量提供了良好的总体性能,但为不同的搜索任务选择不同的描述符可能更为合适。

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