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• W4293868161 abstract "Multiple object tracking (MOT) is a task in computer vision that aims to detect the position of various objects in videos and to associate them to a unique identity. We propose an approach based on Constraint Programming <tex>$(CP)$</tex> whose goal is to be grafted to any existing tracker in order to improve its object association results. We developed a modular algorithm divided into three independent phases. The first phase consists in recovering the tracklets pro-vided by a base tracker and to cut them at the places where uncertain associations are spotted, for exam-ple, when tracklets overlap, which may cause identity switches. In the second phase, we associate the previ-ously constructed tracklets using a Belief Propagation Constraint Programming algorithm, where we pro-pose various constraints that assign scores to each of the tracklets based on multiple characteristics, such as their dynamics or the distance between them in time and space. Finally, the third phase is a rudimen-tary interpolation model to fill in the remaining holes in the trajectories we built. Experiments show that our model leads to improvements in the results for all three of the state-of-the-art trackers on which we tested it (3 to 4 points gained on HOTA and IDF1)." @default.
• W4293868161 created "2022-09-01" @default.
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• W4293868161 date "2022-05-01" @default.
• W4293868161 modified "2023-09-27" @default.
• W4293868161 title "Improving tracking with a tracklet associator" @default.
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• W4293868161 doi "https://doi.org/10.1109/crv55824.2022.00030" @default.
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