SIG-Chat: Spatial Intent-Guided Conversational Gesture Generation Involving How, When and Where. - Yiheng Huang; Junran Peng; Silei Shen; Jingwei Yang; ZeJi Wei; ChenCheng Bai; Yonghao He; Wei Sui; Muyi Sun; Yan Liu; Xu-Cheng Yin; Man Zhang 005; et al. (CoRR, 2025)