STUTTGART, Germany -- Latvia's Jelena Ostapenko powered into the Stuttgart Grand Prix final on Sunday with a 6-4, 6-4 victory over fellow unseeded player Ekaterina Alexandrova. The 27-year-old ...

We propose a monocular 3D ball localization task built upon the triangulation of ground-truth 2D ball annotations, along with several calibration and reprojection metrics to assess annotation quality ...