Pre-training LiDAR-based 3D Object Detectors through Colorization - Pan, Tai-Yu; Ma, Chenyang; Chen, Tianle; Phoo, Cheng Perng; Luo, Katie; You, Yurong; Campbell, Mark; Weinberger, Kilian; Hariharan, Bharath; Chao, Wei-Lun (International Conference on Learning Representations, 2024)