Abstract
Transformers show a great impact on visual tracking thanks to their powerful representation learning capabilities. As the capacity of the model grows, the speed of the tracker tends to decrease gradually. Our work focuses on dealing with massively redundant information in tracking sequences with the Saliency Region Tracker (SRTrack). SRTrack is a heuristic two-stage tracker consisting of a lightweight tracking stage and a saliency stage. The former can handle simple tracking sequences while the latter is designed to perform delicate tracking on challenging frames with more discriminative features. However, the two-stage design leads to feature extrapolation, creating inconsistencies between training and inference features. In order to mitigate this problem, we develop an attention scaling factor that guarantees model robustness while yielding a slight performance gain. Our SRTrack achieves a state-of-the-art 0.699 AUC running at 61 FPS on LaSOT. Several experiments on large benchmarks demonstrate the high efficiency and accuracy of SRTrack.
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Schedule a callMore From: IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
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