“…Motion prediction technology helps robots understand human behavior. This technology is of great value in areas such as intelligent security, autonomous driving (Ge et al, 2019 ; Djuric et al, 2020 ; Gao et al, 2020 ), object tracking, and human-robot collaboration (Liu and Wang, 2017 ; Oguz et al, 2017 ; Liu et al, 2019a , 2021 ; Li et al, 2020b ; Liu and Liu, 2020 ; Ding et al, 2021 ; Mao et al, 2021 ).…”