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Chenming Tang

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#computer vision Preprint Oct 2026

SpatialScout: Can VLM Agents Actively Explore and Map 3D Scenes?

Spatial intelligence requires agents to actively acquire visual evidence and integrate observations into a coherent representation of the three-dimensional world. Yet spatial question answering offers limited evidence of whether models can construct accurate metric maps through autonomous exploration. We introduce Spat...

Zhao-Xi Zhang, Hao Liang, Lin-Xuan Wu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Privy to the Foil: Recasting Value Estimation with a Self-Privileged Critic for RLVR

This paper revisits the standard state-only formulation of value estimation and proposes PPO, a self-privileged actor-critic framework that consistently improves value-estimation quality by a substantial margin and outperforms representative actor-critic and critic-free RLVR baselines on challenging mathematical reason...

Kun Liang, Chenming Tang, Clive Bai et al. · 0 citations
Preprint Aug 2026

Select-And-Extract: A Lightweight Plugin for Retrieval-Augmented Generation

This work proposes Select-ANd-Extract (SANE), a simple yet effective plugin for RAG that performs blueprint-guided query-time evidence extraction, which allows the generator LM to use only compact and structured key information so that it can perform better reasoning.

Chenming Tang, Jia-Wei Han · 0 citations

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