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Motion Focus Recognition in Fast-Moving Egocentric Video

2026-01-12 · Si-En Hong, James Tribble, Alexander Lake, Hao Wang, Chaoyi Zhou, Ashish Bastola, Siyu Huang, Eisa Chaudhary, Brian Canada, Ismahan Arslan-Ari, Abolfazl Razi arxiv

From Vision-Language-Action (VLA) systems to robotics, existing egocentric datasets primarily focus on action recognition tasks, while largely overlooking the inherent role of motion analysis in sports and other fast-movement scenarios. To bridge this gap, we propose a real-time motion focus recognition method that estimates the subject's locomotion intention from any egocentric video. We leverage the foundation model for camera pose estimation and introduce system-level optimizations to enable efficient and scalable inference. Evaluated on a collected egocentric action dataset, our method achieves real-time performance with manageable memory consumption through a sliding batch inference strategy. This work makes motion-centric analysis practical for edge deployment and offers a complementary perspective to existing egocentric studies on sports and fast-movement activities.

📄 PDF Abstract BibTeX arXiv:2601.07154

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Tasks

Camera Pose EstimationAction Recognition

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