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Group Burstiness Weighting for Image Retrieval

机译:用于图像检索的组突发加权

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摘要

In Bag-of-Word based image retrieval, burst phenomenon is a common issue and should be carefully addressed for improving retrieval accuracy. Current state-of-the-art solutions, e.g., the intra- and inter-image burstiness weighting methods, ignore burstiness problem in query image. In this paper, a group burstiness weighting approach is proposed to address this issue by introducing penalties to burst features of query image. Specifically, burst features are detected at query side such that different groups consisting of burst features can be determined. Then, penalties are imposed on the detected burst features when computing images similarity. It is worthwhile to highlight that the proposed approach is compatible with current burstiness processing methods and effective to improve their performance for image retrieval. Experimental results over several public datasets demonstrate that the proposed approach can well fit for existing burstiness processing methods and significantly improve the performance of image retrieval in terms of accuracy, especially for retrieving landmark images.
机译:在基于词袋的图像检索中,突发现象是一个常见问题,应谨慎解决以提高检索精度。当前的最新解决方案,例如图像内和图像间突发性加权方法,忽略了查询图像中的突发性问题。在本文中,提出了一种群组突发性加权方法,通过对查询图像的突发特征引入惩罚来解决这个问题。具体地,在查询侧检测突发特征,使得可以确定由突发特征组成的不同组。然后,在计算图像相似度时对检测到的突发特征施加惩罚。值得强调的是,所提出的方法与当前的突发性处理方法兼容,并且有效地改善了其用于图像检索的性能。在多个公共数据集上的实验结果表明,该方法可以很好地适合现有的突发性处理方法,并且可以在准确性方面显着提高图像检索的性能,特别是对于检索地标图像。

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