A transformer trained solely on physically simulated trajectories infers initial ball spin and 3D path from 2D broadcast video, reaching 92% topspin/backspin accuracy on real matches.
Context-aware 3d object lo- calization from single calibrated images: A study of basket- balls
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Towards Ball Spin and Trajectory Analysis in Table Tennis Broadcast Videos via Physically Grounded Synthetic-to-Real Transfer
A transformer trained solely on physically simulated trajectories infers initial ball spin and 3D path from 2D broadcast video, reaching 92% topspin/backspin accuracy on real matches.