Control
0.5 px
Wrist–ball contact precision
Analyze a rep
Film 5–10 seconds on your phone (PSF trainer visible, side angle). MVP is upload-first; real-time comes later.
Sample replay — clean iPhone source
InputBall trackPose + angles
Phase 0 PoC: VballNet + Sports2D on img_7256.mov · fusion contact frame 125 · colored bar + red flash mark five detected swing cycles (wrist–ball proximity minima)
Coaching metrics (provisional)
Final metrics will be inferred from Alex's good/bad labeled corpus. Mapped to Speed · Power · Control.
Control
100%
Ball track coverage
Speed
412 px/s
Hitting wrist speed at contact
Power
49°
Right elbow at contact
Power
100°
Trunk angle at contact
Form signal
Awaiting labeled training set
Classifier trains on coach-labeled good vs bad swings — not live yet.