OverSeer Adds Fixed Cameras to Keep Multi-Agent World Models Consistent
sguada · x · 2026-10-27
- Paper OverSeer: Multi-Agent World Models Beyond What Agents See (Runjia Li, Andrea Vedaldi, Shikun Liu et al.) tackles extending video world models to multiple agents.
- Key idea: egocentric-only views forget out-of-view world state; adding a few spatially fixed auxiliary cameras acts as a proxy for a world-centric representation, since their changes map directly to localized world-state changes, greatly improving temporal and cross-agent consistency.
- Efficiency: auxiliary views are semi-static and redundant, so a delta-VAE encodes only changes relative to a static reference image, substantially cutting tokens and compute.
- Experiments in Minecraft and Doom show improved world and agent consistency; real multi-camera captures suggest the approach isn't tied to game engines.
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