HiPolicy: Hierarchical Multi-Frequency Action Chunking for Policy Learning

作者：Jiyao Zhang, Zimu Han, Junhan Wang, Xionghao Wu, Shihong Lin, Jinzhou Li, Hongwei Fan, Ruihai Wu, Dongjiang Li, Hao Dong · 单位：CFCS, School of CS, PKU, National Key Laboratory for Multimedia Information Processing, School of CS, PKU, Jingdong Technology Information Technology Co., Ltd · 会议/期刊：arXiv · 日期：2026-04-07 · 来源：Low-Level Learning-Based Action Modelling / Input Modelling / 2D Vision Language Action Models with Model-agnostic Strategies