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Ye-Xiao He

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#artificial intelligence Preprint Oct 2026

DIVA: Dual-Space Intent-Aware Visual Attenuation for Vision-Language-Action Policies

Vision-language-action (VLA) policies typically feed dense visual patch tokens into a language-action backbone, preserving scene context but offering no explicit mechanism to regulate how strongly different visual tokens influence policy computation. We introduce DIVA, a Dual-Space Intent-Aware Visual Attenuation modul...

Kai Feng, Guoheng Sun, Zi-Yao Wang et al. · 0 citations
Preprint Aug 2026

BaT: Towards Self-Evolving Medical Research Agent with Stage Rubrics

Long-horizon agents are beginning to automate complete workflows that produce code, reports, and research artifacts. Medical imaging workflows are multi-stage and data-sensitive, while expert trajectories remain scarce and difficult to share. Structured benchmarks can localize failures through stage-level rubrics, but...

Junqi Liu, Yu-Fan He, Ye-Xiao He et al. · 0 citations
Jun 2026

Drop-Then-Recovery: How Redundant Are Vision-Language-Action Models?

The results suggest that current VLA benchmarks may exert limited pressure on deep language grounding and compositional instruction understanding, and that future VLA architectures should allocate capacity more deliberately across language, vision, and action components.

Guoheng Sun, Kai Feng, Shwai He et al. · 0 citations

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