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Gabriel W. Haddon-Hill

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Open access Aug 2026

ActivAsk: Free-Energy-Guided Clarification for Robotic Grasping Under Ambiguous Instructions

ActivAsk is presented, a zero-shot framework for resolving referential ambiguity before robotic grasping that selects among VLM-proposed candidate partitions using an expected free energy (EFE) criterion motivated by active inference; with neutral response preferences, this reduces to information gain over candidate pa...

Haoandong Yang, Gabriel W. Haddon-Hill, Teresa Zielińska et al. · 0 citations

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