Xi’an Jiaotong University; MEGVII Technology; Tsinghua University
Runpei Dong, Zekun Qi, Linfeng Zhang, Junbo Zhang, Jianjian Sun, Zheng Ge, Li Yi, Kaisheng Ma
Representation Learning;Cross-Modal Learning;3D Point Clouds
Autoencoders as Cross-Modal Teachers: Can Pretrained 2D Image Transformers Help 3D Representation Learning?