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Searching near-replicas of images via clustering

机译:通过聚类搜索图像的近副本

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Abstract: Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the WWW. To speed up the copy detection, RIME uses a new clustering/hashing approach that first clusters similar images on adjacent disk cylinders and then builds indexes to access the clusters made in this way. Searching for the replicas of an image often takes just one IO to loop up the location of the cluster containing similar objects and one sequential file IO to read in this cluster. Our experimental results show that RIME can detect images copies both more efficiently and effectively than the traditional content- based image retrieval systems that use tree-like structures to index images. In addition, RIME copes well with image format conversion, resampling, requantization and geometric transformation. !29
机译:摘要:网络盗版一直是Web发布的主要问题之一。在这项研究中,我们提出了一个RIME系统,该系统已原型化,可以检测WWW上未经授权的图像复制。为了加快复制检测速度,RIME使用一种新的群集/散列方法,该方法首先将相似的映像群集在相邻的磁盘柱面上,然后构建索引以访问以此方式创建的群集。搜索映像的副本通常只需要一个IO即可循环出包含相似对象的群集的位置,并只需一个顺序文件IO即可在该群集中进行读取。我们的实验结果表明,与使用树状结构索引图像的基于内容的传统图像检索系统相比,RIME可以更有效地检测图像副本。此外,RIME可以很好地应对图像格式转换,重采样,重新量化和几何转换。 !29

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