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Geometric Matching For Clip-art Drawing Retrieval

机译:剪贴画检索的几何匹配

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摘要

Currently, there are large collections of clip-art vector drawings from which users can select the desired figures to insert in their documents. However, to locate a particular drawing among thousands is not easy. Although there are some solutions for drawing retrieval, almost all of them are designed to retrieve simple and not complex drawings as for instance clip-arts. In our prior work we proposed an approach to index and retrieve complex vector drawings by content, using topological and geometric information automatically extracted from figures. In this paper, we present a new algorithm to improve the geometric matching of two drawings, which takes into account the drawing as a whole and each of the shapes in it. We developed a web search engine for clip-art drawings, where we included this new technique. Experimental evaluation reveals that this new geometric matching algorithm conducts to better retrieval results than the prior matching solution.
机译:当前,有大量剪贴画矢量绘图,用户可以从中选择所需的图形插入到他们的文档中。但是,要在成千上万的位置定位特定图形并不容易。尽管有一些检索图形的解决方案,但几乎所有解决方案都旨在检索简单而非复杂的图形,例如剪贴画。在我们先前的工作中,我们提出了一种方法,该方法使用从图形中自动提取的拓扑和几何信息,按内容索引和检索复杂的矢量图形。在本文中,我们提出了一种新的算法来改善两个图形的几何匹配,该算法考虑了图形的整体以及图形中的每个形状。我们开发了一个用于剪贴画的Web搜索引擎,其中包含了这项新技术。实验评估表明,这种新的几何匹配算法比以前的匹配解决方案具有更好的检索结果。

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