A learned LSTM pipeline recovers 3D bouncing-ball trajectories from monocular 2D tracks by predicting heights on camera rays and then refining the 3D points; it generalizes from simulation to real sports footage.
The kneed walker for human pose tracking
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Where Is The Ball: 3D Ball Trajectory Estimation From 2D Monocular Tracking
A learned LSTM pipeline recovers 3D bouncing-ball trajectories from monocular 2D tracks by predicting heights on camera rays and then refining the 3D points; it generalizes from simulation to real sports footage.