I‘m Rui Xu(徐瑞), a final-year master student at the Interdisciplinary Research Center (IRC) of Shandong University. I am under the tutelage of Prof. Changhe Tu , Prof. Shiqing Xin and Prof. Mingyan Jiang. My research interests are computer graphics, computational geometry, point cloud reconstruction and geometric modeling.
News and Updates

Talks
- Aug. 2023: Invited Talk for TechBeat(将门). RFEPS and GCNO
- Jul. 2023: Invited Talk for Synced Review(机器之心). RFEPS and GCNO
- Jul. 2023: Invited Talk for Shanghai AI lab. RFEPS and GCNO.
- Jul. 2023: Invited Talk for HIT (weihai). RFEPS and GCNO.
- Aug. 2022: Invited Talk at GDC 2022. RFEPS.
Internships
- Tencent Games.
Research in Geometry Modeling, advised by Cheng Lin. Sep 2022 - Dec 2022
- Alibaba.
Algorithm Engineer for Digital Twins with Unreal Development. May 2020 - Sep 2020
Publications
NEW!Neural-Singular-Hessian: Implicit Neural Representation of Unoriented Point Clouds by Enforcing Singular Hessian
Zixiong Wang, Yunxiao Zhang, Rui Xu, Fan Zhang, Pengshuai Wang, Shuangmin Chen, Shiqing Xin, Wenping Wang, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH Asia 2023.
NEW!A Hessian-Based Field Deformer for Real-Time Topology-Aware Shape Editing
Yunxiao Zhang, Zixiong Wang, Zihan Zhao, Rui Xu, Shuangmin Chen, Shiqing Xin, Wenping Wang, Changhe Tu
Conference track.SIGGRAPH Asia 2023.
[ Coming soon ]
NEW!Globally Consistent Normal Orientation for Point Clouds by Regularizing the Winding-Number Field
Rui Xu, Zhiyang Dou, Ningna Wang, Shiqing Xin, Shuangmin Chen, Mingyan Jiang, Xiaohu Guo, Wenping Wang, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH 2023.
Mesh-MLP: An all-MLP Architecture for Mesh Classification and Semantic Segmentation
Qiujie Dong, Rui Xu, Xiaoran Gong, Zixiong Wang, Shuangmin Chen, Shiqing Xin, Changhe Tu
arXiv, 2023.
RFEPS: Reconstructing Feature-line Equipped Polygonal Surface
Rui Xu, Zixiong Wang, Zhiyang Dou, Chen Zong, Shiqing Xin, Mingyan Jiang, Tao Ju, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH Asia 2022.
Shiqing Xin, Pengfei Wang, Rui Xu, Dongming Yan, Shuangmin Chen*, Wenping Wang, Caiming Zhang, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH Asia 2022.
QuickCSGModeling: Quick CSG Operations Based on Fusing Signed Distance Fields for VR Modeling
Shuangmin Chen*, Rui Xu, Jian Xu, Shiqing Xin, Changhe Tu, Chenglei Yang, Lin Lu
ACM Transactions on Multimedia Computing, Communications, and Applications.ToMM 2023.
Coverage Axis: Inner Point Selection for 3D Shape Skeletonization
Zhiyang Dou, Cheng Lin, Rui Xu, Lei Yang, Shiqing Xin, Taku Komura, Wenping Wang
Computer Graphics Forum.Eurographics 2022.
EasyVRModeling: Easily Create 3D Models by an Immersive VR System
Zhiying Fu, Rui Xu, Shiqing Xin, Shuangmin Chen, Changhe Tu, Chenglei Yang, Lin Lu
ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games.i3D 2022.
Top-Down Shape Abstraction Based on Greedy Pole Selection
Zhiyang Dou, Shiqing Xin, Rui Xu, Jian Xu, Yuanfeng Zhou, Shuangmin Chen, Wenping Wang, Xiuyang Zhao, Changhe Tu
IEEE Transactions on Visualization and Computer Graphics.TVCG 2020.