no code implementations • 8 Aug 2023 • Ming Nie, Yujing Xue, Chunwei Wang, Chaoqiang Ye, Hang Xu, Xinge Zhu, Qingqiu Huang, Michael Bi Mi, Xinchao Wang, Li Zhang
Recently, polar-based representation has shown promising properties in perceptual tasks.
no code implementations • CVPR 2022 • Yihan Zeng, Da Zhang, Chunwei Wang, Zhenwei Miao, Ting Liu, Xin Zhan, Dayang Hao, Chao Ma
LiDAR and camera are two common sensors to collect data in time for 3D object detection under the autonomous driving context.
no code implementations • NeurIPS 2021 • Zeng Yihan, Chunwei Wang, Yunbo Wang, Hang Xu, Chaoqiang Ye, Zhen Yang, Chao Ma
First, 3D-CoCo is inspired by our observation that the bird-eye-view (BEV) features are more transferable than low-level geometry features.
no code implementations • CVPR 2021 • Chunwei Wang, Chao Ma, Ming Zhu, Xiaokang Yang
On one hand, PointAugmenting decorates point clouds with corresponding point-wise CNN features extracted by pretrained 2D detection models, and then performs 3D object detection over the decorated point clouds.