A Novel Transfer Metric Learning Approach Based on Multi-Group - Yi, Chang'an; Xu, Yonghui; Xu, Bo; Zhong, Jingtang; Zhu, Zhen; Yin, Pengshuai; Min, Huaqing (2018 IEEE International Conference on Robotics and Biomimetics (ROBIO), Robotics and Biomimetics (ROBIO), 2018 IEEE International Conference on, 2018)