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
World action models (WAMs) have advanced robot control by predicting how observations and actions evolve over time. Despite this progress, RGB and action based future prediction does not explicitly address the spatial understanding needed for robot manipulation. Existing efforts often add a limited set of spatial predi...
Ting-Ting Du, Zi-Yao Wang, Guoheng Sun et al.· 0 citations
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.· arXiv.org· 0 citations
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