XVIS

XVIS / Annotation

Tracking & propagation

How many frames must a human actually label when boxes can be propagated, associated and locked?

Input
40-frame synthetic sequence with moving and parked objects
Output
Interpolated boxes, track ids, lock decisions, IoU per frame
Demos
3 · all run in the browser
Loading engine
Drag the timeline · add keyframes
  • IoU > 0.5
  • IoU ≤ 0.5 — needs a keyframe
  • Keyframe / trail

Built with Keyframe interpolation

Boxes exist only at keyframes; every other frame is interpolated (linear pose, shortest-arc yaw). Add keyframes where the interpolation turns red to fix the curved car.