Training-free upgrades to SAM2, a two-level motion refiner and a long/short memory bank, raise long-term tracking AUC on LaSOT and LaSOText while adding only a few milliseconds per frame.
LaSOT: A High-quality Benchmark for Large-scale Single Object Tracking
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abstract
In this paper, we present LaSOT, a high-quality benchmark for Large-scale Single Object Tracking. LaSOT consists of 1,400 sequences with more than 3.5M frames in total. Each frame in these sequences is carefully and manually annotated with a bounding box, making LaSOT the largest, to the best of our knowledge, densely annotated tracking benchmark. The average video length of LaSOT is more than 2,500 frames, and each sequence comprises various challenges deriving from the wild where target objects may disappear and re-appear again in the view. By releasing LaSOT, we expect to provide the community with a large-scale dedicated benchmark with high quality for both the training of deep trackers and the veritable evaluation of tracking algorithms. Moreover, considering the close connections of visual appearance and natural language, we enrich LaSOT by providing additional language specification, aiming at encouraging the exploration of natural linguistic feature for tracking. A thorough experimental evaluation of 35 tracking algorithms on LaSOT is presented with detailed analysis, and the results demonstrate that there is still a big room for improvements.
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cs.CV 1years
2025 1verdicts
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HiM2SAM: Enhancing SAM2 with Hierarchical Motion Estimation and Memory Optimization towards Long-term Tracking
Training-free upgrades to SAM2, a two-level motion refiner and a long/short memory bank, raise long-term tracking AUC on LaSOT and LaSOText while adding only a few milliseconds per frame.