AdaJEPA: An Adaptive Latent World Model
- URL: http://arxiv.org/abs/2606.32026v1
- Date: Tue, 30 Jun 2026 17:53:48 GMT
- Title: AdaJEPA: An Adaptive Latent World Model
- Abstract summary: We propose AdaJEPA, an adaptive latent world model that performs test-time adaptation within the closed loop of model predictive control (MPC)<n>After training, AdaJEPA plans and executes the first action chunk, uses the observed next-state transition as a self-supervised adaptation signal, and replans with the updated model.<n>This closed-loop update continuously recalibrates the world model without additional expert demonstrations.
- Score: 42.0759614364807
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Latent world models enable planning from high-dimensional observations by predicting future states in a compact latent space. However, these models are typically kept frozen at test time: when their predictions become inaccurate, planning can fail, especially under test-time distribution shift. To address this, we propose AdaJEPA, an adaptive latent world model that performs test-time adaptation within the closed loop of model predictive control (MPC). After training, AdaJEPA plans and executes the first action chunk, uses the observed next-state transition as a self-supervised adaptation signal, and replans with the updated model. This closed-loop update continuously recalibrates the world model without additional expert demonstrations. Across a range of goal-reaching tasks, AdaJEPA substantially improves planning success with as few as one gradient step per MPC replanning step.
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