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Contextual Identity Recognition in Personal Photo Albums

机译:个人相册中的上下文身份识别

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We present an efficient probabilistic method for identity recognition in personal photo albums. Personal photos are usually taken under uncontrolled conditions - the captured faces exhibit significant variations in pose, expression and illumination that limit the success of traditional face recognition algorithms. We show how to improve recognition rates by incorporating additional cues present in personal photo collections, such as clothing appearance and information about when the photo was taken. This is done by constructing a Markov Random Field (MRF) that effectively combines all available contextual cues in a principled recognition framework. Performing inference in the MRF produces markedly improved recognition results in a challenging dataset consisting of the personal photo collections of multiple people. At the same time, the computational cost of our approach remains comparable to that of standard face recognition approaches.
机译:我们提出了一种有效的概率方法来识别个人相册中的身份。个人照片通常是在不受控制的条件下拍摄的-捕获的脸部在姿势,表情和照明方面表现出很大的差异,从而限制了传统脸部识别算法的成功。我们将展示如何通过结合个人照片集中的其他提示来提高识别率,例如衣服的外观和有关照片拍摄时间的信息。这是通过构造一个马尔可夫随机域(MRF)来完成的,该域在一个原则上的识别框架中有效地组合了所有可用的上下文线索。在MRF中执行推理可以在一个具有挑战性的数据集(由多个人的个人照片集组成)中产生明显改善的识别结果。同时,我们方法的计算成本仍可与标准人脸识别方法相比。

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