作者:Haiweng Xu, Sipeng Zheng, Hao Luo, Wanpeng Zhang, Ziheng Xi, Zongqing Lu · 单位:Peking University, Tsinghua University · 会议/期刊:arXiv · 日期:2026-04-20 · 来源:Low-Level Learning-Based Action Modelling / Input Modelling / 2D Vision Language Action Models for Generalization / Environment/Language Changes