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Wei Zhang

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#artificial intelligence Preprint Sep 2026

UniAfford: Token-Routed Multitask Learning for Generalizable 2D-3D Affordance Perception

Affordance perception aims to localize actionable regions supporting embodied interaction, yet 2D and 3D affordance grounding have evolved as separate problems, with different task definitions, supervision formats, datasets, and evaluation protocols. This fragmentation limits the learning of transferable object-afforda...

Yu-Hao Liu, Yi-Ming Zhong, Han-Qing Wang et al. · 0 citations
#small language model Preprint Aug 2026

Not All Attention Heads Contribute to Critical Visual Token Selection: Head-Aware Pruning Matters More

ProViP is proposed, a training-free progressive visual token pruning framework that removes redundant visual tokens based on the embedding similarity of input tokens before reasoning of the LLM backbone, and then prunes tokens during reasoning via head-aware pruning.

Chao-Fang Ma, Lin Jiang, Carol Jingyi Li et al. · 1 citation

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