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Directed Temporal Representations for Offline Visual Control

arXiv机器学习 2026-10-08 12:00 9 阅读 查看原文

Predictive world models provide compact visual representations for control.

Control requires a latent geometry aligned with temporal reachability rather than predictive similarity alone.

We introduce Directed Temporal Representations for Control (DTRC)

DTRC learns such a geometry from offline visual trajectories on top of frozen LeWorldModel (LeWM) features.

DTRC constructs a directed temporal quasimetric over the learned control representation.

Short-range temporal offsets calibrate the distance scale.

Bootstrapped targets extend temporal reachability across longer horizons.

Action-conditioned consistency aligns the representation with local transition dynamics.

The resulting distance estimates temporal reaching cost, and its change across a transition defines goal-relative temporal progress.

We use this progress signal as a temporal critic for direct goal-conditioned policy learning.

Model-assisted targets provide an additional training-time refinement under behavior-support and dynamics-agreement constraints.

Performance across ten visual control tasks

DTRC achieves strong goal-conditioned control performance relative to planning and direct-policy baselines.

Held-out diagnostics on the four LeWM tasks

Consistent short-range temporal calibration, task-dependent long-range and directional structure, and positive transition-level progress.

Temporal supervision improves the same flow-policy parameterization across all four LeWM tasks

While the resulting policy acts directly without iterative trajectory search at test time.