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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Coupled-View Based Ranking Optimization for Person Re-identification
verfasst von : Mang Ye, Jun Chen, Qingming Leng, Chao Liang, Zheng Wang, Kaimin Sun
Erschienen in: MultiMedia Modeling
Verlag: Springer International Publishing
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Person re-identification aims to match different persons observed in non-overlapping camera views. Researchers have proposed many person descriptors based on global or local descriptions, while both of them have achieved satisfying matching results, however, their ranking lists usually vary a lot for the same query person. These motivate us to investigate an approach to aggregate them to optimize the original matching results. In this paper, we proposed a coupled-view based ranking optimization method through cross KNN rank aggregation and graph-based re-ranking to revise the original ranking lists. Its core assumption is that the images of the same person should share the similar visual appearance in both global and local views. Extensive experiments on two datasets show the superiority of our proposed method with an average improvement of 20-30% over the state-of-the-art methods at CMC@1.