GoStop: Reinforcement Learning for Adaptive Temporal Aggregation in Event-Based Feature Tracking

· Source: Computer Vision and Pattern Recognition · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Computer Vision & Pattern Recognition · Depth: Expert, quick

Summary

GoStop is a novel reinforcement learning (RL) framework designed for adaptive temporal aggregation in event-based feature tracking, addressing the limitations of current methods that rely on fixed heuristic rules for event accumulation. Existing approaches struggle with diverse motion dynamics, leading to degraded performance during abrupt motion changes or low-motion scenarios. GoStop models event accumulation as a sequential decision-making problem, training an RL agent to dynamically decide whether to continue accumulating events or initiate tracking inference based on real-time motion cues. This adaptive control mechanism eliminates the need for hand-crafted rules, enhancing robustness under dynamic motion and achieving a better balance between tracking accuracy and efficiency. The framework is plug-and-play, consistently outperforming heuristic-based alternatives. Additionally, the authors introduce a Dynamic Event-based Tracking (DEFT) dataset to rigorously evaluate feature tracking robustness under varying motion distributions. Project code and datasets are publicly available at https://github.com/kmax2001/GoSTOP.

Key takeaway

For Computer Vision Engineers developing real-time perception systems, especially those using event cameras in dynamic environments, you should consider integrating adaptive temporal aggregation methods like GoStop. This approach offers superior robustness and a better accuracy-efficiency trade-off compared to traditional heuristic-based event accumulation. Evaluate its plug-and-play framework with your existing feature tracking methods to enhance performance under abrupt motion changes or low-motion scenarios.

Key insights

Reinforcement learning adaptively controls event accumulation for robust, efficient event-based feature tracking, surpassing fixed heuristics.

Principles

Method

GoStop trains an RL agent to decide between accumulating events or performing tracking inference, based on motion cues, for online event-based feature tracking.

In practice

Topics

Code references

Best for: Research Scientist, AI Scientist, Computer Vision Engineer, Machine Learning Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by Computer Vision and Pattern Recognition.