# Trace-WAM: Aiding World Action Model Learning with 3D Motion Prediction

- Source: arXiv cs.RO
- Published: 2026-10-28T04:00:00.000Z
- RoboHot: https://robohot.news/en/items/dg74hubuftrod7pvvnp4eft85
- Original: https://arxiv.org/abs/2610.36840

## Summary

Trace-WAM proposes adding future 3D motion prediction as an auxiliary objective to video-action learning in world action models, supervising temporal point correspondence, image-plane displacement, and depth change to directly characterize interaction dynamics and spatial changes in manipulation.