no code implementations • 7 Feb 2024 • Chuhao Liu, Ke Wang, Jieqi Shi, Zhijian Qiao, Shaojie Shen
Our method achieves 40. 3 mean average precision (mAP) on the ScanNet semantic instance segmentation task.
2 code implementations • 22 Aug 2023 • Zhijian Qiao, Zehuan Yu, Binqian Jiang, Huan Yin, Shaojie Shen
Utilizing these GEMs, we then present a distrust-and-verify scheme based on a Pyramid Compatibility Graph for Global Registration (PAGOR).
2 code implementations • 22 Jul 2023 • Zhijian Qiao, Zehuan Yu, Huan Yin, Shaojie Shen
In this paper, we propose a graph-theoretic framework to address the problem of global point cloud registration with low overlap.
1 code implementation • 9 Dec 2020 • Zhijian Qiao, Hanjiang Hu, Weiang Shi, Siyuan Chen, Zhe Liu, Hesheng Wang
In the field of large-scale SLAM for autonomous driving and mobile robotics, 3D point cloud based place recognition has aroused significant research interest due to its robustness to changing environments with drastic daytime and weather variance.
1 code implementation • 30 Nov 2020 • Zhijian Qiao, Huanshu Wei, Zhe Liu, Chuanzhe Suo, Hesheng Wang
3D Point cloud registration is still a very challenging topic due to the difficulty in finding the rigid transformation between two point clouds with partial correspondences, and it's even harder in the absence of any initial estimation information.
1 code implementation • 9 Nov 2020 • Hanjiang Hu, Baoquan Yang, Zhijian Qiao, Shiqi Liu, Jiacheng Zhu, Zuxin Liu, Wenhao Ding, Ding Zhao, Hesheng Wang
Different environments pose a great challenge to the outdoor robust visual perception for long-term autonomous driving, and the generalization of learning-based algorithms on different environments is still an open problem.
1 code implementation • 1 Oct 2020 • Hanjiang Hu, Zhijian Qiao, Ming Cheng, Zhe Liu, Hesheng Wang
Long-Term visual localization under changing environments is a challenging problem in autonomous driving and mobile robotics due to season, illumination variance, etc.