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- W2023303779 abstract "Tracking multiple targets in nonoverlapping cameras are challenging since the observations of the same targets are often separated by time and space. There might be significant appearance change of a target across camera views caused by variations in illumination conditions, poses, and camera imaging characteristics. Consequently, the same target may appear very different in two cameras. Therefore, associating tracks in different camera views directly based on their appearance similarity is difficult and prone to error. In most previous methods, the appearance similarity is computed either using color histograms or based on pretrained brightness transfer function that maps color between cameras. In this paper, a novel reference set based appearance model is proposed to improve multitarget tracking in a network of nonoverlapping cameras. Contrary to previous work, a reference set is constructed for a pair of cameras, containing subjects appearing in both camera views. For track association, instead of directly comparing the appearance of two targets in different camera views, they are compared indirectly via the reference set. Besides global color histograms, texture and shape features are extracted at different locations of a target, and AdaBoost is used to learn the discriminative power of each feature. The effectiveness of the proposed method over the state of the art on two challenging real-world multicamera video data sets is demonstrated by thorough experiments." @default.
- W2023303779 created "2016-06-24" @default.
- W2023303779 creator A5005639972 @default.
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- W2023303779 date "2015-05-01" @default.
- W2023303779 modified "2023-10-10" @default.
- W2023303779 title "Multitarget Tracking in Nonoverlapping Cameras Using a Reference Set" @default.
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- W2023303779 doi "https://doi.org/10.1109/jsen.2015.2392781" @default.
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