Event labeler

Everything stays in your browser. Load a sample video, mark events with the conventions of the task (start/end per class), export ground_truth.json and score with python evaluate.py --pred predictions_samples.json --gt ground_truth.json --per-video.

Class (keys 1–9, 0, q, w, e, r)
[ start at current time · ] end → adds event · space play/pause · ←/→ ±1 s · ,/. ±1 frame · z/x speed

startendlabel