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Training-Free Long-Term Multi-Object Tracking for Sports Video Analytics

2026-08-16 11:33:00
Tomasz Stanczyk, Seongro Yoon, Francois Bremond
arXiv_CV
             
Abstract

Long-term multi-object tracking in sports remains challenging due to frequent occlusions, rapid camera motion, and repeated player reappearances. We introduce McByte++, a training-free tracking-by-detection framework that integrates lightweight mask propagation, conditional camera motion compensation, and online re-identification within a unified pipeline. Compared to its predecessor, McByte++ substantially improves runtime efficiency while enhancing identity preservation. On SoccerNet-tracking and SportsMOT benchmarks, McByte++ achieves up to +3.0 HOTA and +6.1 IDF1 improvements over the original McByte in the online setting, with further gains when combined with offline global association. Replacing heavy segmentation components and optimizing motion modeling yields up to an order-of-magnitude speed increase. All results are obtained without detector retraining or dataset-specific tuning. Code will be made available at this https URL.

Abstract (translated)

URL

https://arxiv.org/abs/2608.15688

PDF

https://arxiv.org/pdf/2608.15688.pdf

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