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Adaptive Image Retrieval Based On The Spatial Organization Of Colors

机译:基于颜色空间组织的自适应图像检索

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摘要

This work proposes to compare the spatial organization of colors between images through a global optimization procedure relying on the Earth Mover's Distance. The resulting distance is applied to image retrieval. Unlike most region-based retrieval systems, no segmentation of images is needed for the query. We then address the decision stage of the retrieval, that is the problem of automatically deciding which images from a database match a query. To this aim, we make use of an a contrario method. Two images are matched if their proximity is unlikely to be due to chance; more precisely, a matching threshold on distances is computed by controlling the average number of false matchings in an unsupervised way. This threshold is adaptive, yielding different numbers of result images depending on the query and the database.
机译:这项工作建议通过依赖于地球移动器的距离的全局优化过程来比较图像之间颜色的空间组织。所得的距离将应用于图像检索。与大多数基于区域的检索系统不同,查询不需要图像分割。然后,我们解决检索的决策阶段,即自动确定数据库中的哪些图像与查询匹配的问题。为此,我们使用了一种相反的方法。如果不太可能是由于偶然原因,则匹配两个图像;更精确地,通过以无监督的方式控制错误匹配的平均数量来计算距离的匹配阈值。此阈值是自适应的,根据查询和数据库产生不同数量的结果图像。

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