About me

I am a Ph.D. student of Nanjing University of Aeronautics and Astronautics, supervised by Qingshan Liu. Before, I served as an algorithm engineer of Leapmotor Technology from July 2021 to February 2023. I obtained my Master's Degree and Bachelor's Degree at Nanjing University of Information Science and Technology respectively, supervised by Qingshan Liu. My current research is mainly focus on general 3D perception, including segmentation and detection for point cloud. Here is my personal CV.

News

  • [2023/01] I have been invited as a collaborator on MMDetection3D.
  • [2022/07] Waterfall-Net, a new point cloud segmentation paradigm network with waterfall feature aggregation, is accepted by PRCV 2022.
  • [2022/04] CED-Net, which introduces contextual information both in shape and feature level for 3D face reconstruction, is accepted by Multimedia Systems.
  • [2021/12] SA-Net, a semantic-aware network for point cloud object detection, is accepted by ICOMV 2022.
  • [2021/04] BAF-LAC, a novel segmentation paradigm network for point cloud, is accepted by TIP.

Education

nuaa
Nanjing University of Aeronautics and Astronautics (NUAA)
April 2023 - Present
Ph.D. in Computer Science and Technology

nuist
Nanjing University of Information Science and Technology (NUIST)
September 2018 - June 2021
M.S. in Control Science and Engineering

nuist
Nanjing University of Information Science and Technology (NUIST)
September 2014 - June 2018
Major: B.E. in Electrical Engineering and Automation

Publications

waterfall_net
Waterfall-Net: Waterfall Feature Aggregation for Point Cloud Semantic Segmentation
Hui Shuai, Xiang Xu, Qingshan Liu
Chinese Conference on Pattern Recognition and Computer Vision, 2022
[Paper] [Code]

ced_net
CED-Net: Contextual Encoder-Decoder Network for 3D Face Reconstruction
Lei Zhu, Shanmin Wang, Zengqun Zhao, Xiang Xu, Qingshan Liu
Multimedia Systems, 2022
[Paper]

sa_net
Semantic-Aware Object Detection for 3D Point Cloud
Xiang Xu, Gang Huang, Laifeng Hu, Yaonong Wang
International Conference on Optics and Machine Vision, 2022
[Paper]

baf_lac
Backward Attentive Fusing Network with Local Aggregation Classifier for 3D Point Cloud Semantic Segmentation
Hui Shuai, Xiang Xu, Qingshan Liu
IEEE Transactions on Image Processing 2021
[Paper] [Code]

Preprints

lasermix++
Multi-Modal Data-Efficient 3D Scene Understanding for Autonomous Driving
Lingdong Kong, Xiang Xu, Jiawei Ren, Wenwei Zhang, Liang Pan, Kai Chen, Wei Tsang Ooi, Ziwei Liu
arXiv 2024
[Paper] [Code]

calib3d
Calib3D: Calibrating Model Preferences for Reliable 3D Scene Understanding
Lingdong Kong*, Xiang Xu*, Jun Cen, Wenwei Zhang, Liang Pan, Kai Chen, Ziwei Liu
arXiv 2024
[Paper] [Code]

frnet
FRNet: Frustum-Range Networks for Scalable LiDAR Segmentation
Xiang Xu, Lingdong Kong, Hui Shuai, Qingshan Liu
arXiv 2023
[Paper] [Code] [Project] [Demo]

Research Projects

mmdet3d
MMDetection3D: OpenMMLab Next-Generation Platform for General 3D Object Detection
MMDetection3D Contributors
January 2023 - Present
[Code]

Experience

leapmotor
Leapmotor Technologies Co. Ltd.
July 2021 - February 2023. Advisor: Laifeng Hu
Focus: Lidar perception for autonomous driving.

Miscellaneous

Academic Services
I serve as a collaborator of MMDetection3D, work closely with Wenwei Zhang and Lingdong Kong.

Hobbies
Love: 🏀Basketball, 🎶music, 🏸badminton, and 🏓table tennis.