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Large Scale Near-Duplicate Celebrity Web Images Retrieval Using Visual and Textual Features

机译:使用视觉和文字功能进行大规模近乎重复的名人Web图像检索

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摘要

Near-duplicate image retrieval is a classical research problem in computer vision toward many applications such as image annotation and content-based image retrieval. On the web, near-duplication is more prevalent in queries for celebrities and historical figures which are of particular interest to the end users. Existing methods such as bag-of-visual-words (BoVW) solve this problem mainly by exploiting purely visual features. To overcome this limitation, this paper proposes a novel text-based data-driven reranking framework, which utilizes textual features and is combined with state-of-art BoVW schemes. Under this framework, the input of the retrieval procedure is still only a query image. To verify the proposed approach, a dataset of 2 million images of 1089 different celebrities together with their accompanying texts is constructed. In addition, we comprehensively analyze the different categories of near duplication observed in our constructed dataset. Experimental results on this dataset show that the proposed framework can achieve higher mean average precision (mAP) with an improvement of 21% on average in comparison with the approaches based only on visual features, while does not notably prolong the retrieval time.
机译:几乎重复的图像检索是计算机视觉中针对诸如图像注释和基于内容的图像检索等许多应用程序的经典研究问题。在网络上,对于名人和历史人物的查询,近端复制更为普遍,而最终用户特别感兴趣。现有的方法,例如视觉袋(BoVW),主要通过利用纯粹的视觉特征来解决此问题。为了克服此限制,本文提出了一种新颖的基于文本的数据驱动的重新排序框架,该框架利用文本特征并与最新的BoVW方案相结合。在此框架下,检索过程的输入仍然只是查询图像。为了验证所提出的方法,构建了包含1089个不同名人的200万张图像及其随附文本的数据集。此外,我们全面分析了在构建的数据集中观察到的不同类别的近重复。在该数据集上的实验结果表明,与仅基于视觉特征的方法相比,所提出的框架可以实现更高的平均平均精度(mAP),平均提高21%,而不会显着延长检索时间。

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