Joint Discovery of Object and Action Symbols through Effect Prediction for Robotic Manipulation Planning

• URL: http://arxiv.org/abs/2607.00031v1
• Date: Mon, 22 Jun 2026 11:58:11 GMT
• Title: Joint Discovery of Object and Action Symbols through Effect Prediction for Robotic Manipulation Planning
• Abstract summary: We propose a model that jointly discovers high-level manipulation primitives and object categories.<n>We leverage a discrete planning method that uses intermediate steps in the predicted effect trajectory to enable partial action executions.<n>We conduct experiments on tabletop repositioning and stacking tasks, and confirm that our effect-driven planning approach outperforms both a state-of-the-art method and a visual-based alternative.
• Score: 1.4701783773624093
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: To perform complex manipulation planning, autonomous robots are required to abstract continuous, high-dimensional sensorimotor interactions into discrete object and action representations. Earlier work either categorized objects based on visual appearances, which fails to distinguish objects that appear similar but behave differently, or based on effects under interaction, but was limited to predefined actions. To address these limitations, we propose a model that jointly discovers high-level manipulation primitives and object categories through a binary bottleneck layer, trained to predict multi-modal outcomes, including object motion, contact, and force feedback, from random interaction data. Building on these discovered binary representations, we leverage a discrete planning method that uses intermediate steps in the predicted effect trajectory to enable partial action executions for precise low-level control. Additionally, we evaluate our framework's generalization capabilities on novel objects by assigning object categories through comparing a small number of interaction effects with the predicted effects of learned object symbols, enabling few-shot generalization based on behavior rather than visual similarity. We conduct experiments on tabletop repositioning and stacking tasks, and confirm that our effect-driven planning approach outperforms both a state-of-the-art method and a visual-based alternative in planning precision across seen and novel objects.

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