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- W2777278462 abstract "Multi-object model-free tracking is challenging because the tracker is not aware of the objects' type (not allowed to use object detectors), and needs to distinguish one object from background as well as other similar objects. Most existing methods keep updating their appearance model individually for each target, and their performance is hampered by sudden appearance change and/or occlusion. We propose to use both appearance model and motion model to overcome this issue. We introduce an indicator variable to predict sudden appearance change and occlusion. When they happen, our model stops updating the appearance model to avoid parameter update based on background or incorrect object, and rely more on motion model to track. Moreover, we consider the correlation among all targets, and seek the joint optimal locations for all target simultaneously. We formulate the problem of finding the most likely locations jointly as a graphical model inference problem, and learn the joint parameters for both appearance model and motion model in an online fashion in the framework of LaRank. Experiment results show that our method outperforms the state-of-the-art." @default.
- W2777278462 created "2018-01-05" @default.
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- W2777278462 date "2017-11-01" @default.
- W2777278462 modified "2023-10-18" @default.
- W2777278462 title "Multi-Object Model-Free Tracking with Joint Appearance and Motion Inference" @default.
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- W2777278462 doi "https://doi.org/10.1109/dicta.2017.8227468" @default.
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