My name is Rui Xu(徐瑞), I am a Ph.D. candidate at The University of Hong Kong, supervised by Prof. Taku Komura. I received my M. Eng. and B. Eng. degree from the Interdisciplinary Research Center (IRC) of Shandong University, under the supervision of Prof. Changhe Tu and Prof. Shiqing Xin. My research interests are Computer Graphics, 3D Vision, Geometry Processing and Generative Models. I am always open to discussions and collaborations, feel free to contact me anytime!
News and Updates
Rui Xu (徐瑞)
Ph.D. Student
Research Experience
- Apr. 2025 - Aug. 2025: Research Intern, Tencent Visvise.
- Sep. 2024 - Now : Ph.D. Student, The University of Hong Kong (HKU).
- Feb. 2024 - Jun. 2024: Research Intern, Microsoft Research Asia (MSRA).
- Sep. 2022 - Dec. 2022: Research Intern, Tencent Games.
- Jul. 2021 - Jun. 2024: Master Student, Interdisciplinary Research Center (IRC).
- May. 2020 - Sep. 2020: Intern, Alibaba.
- Mar. 2018 - Jun. 2021: Research Assistant (part-time), Interdisciplinary Research Center (IRC).
- Sep. 2017 - Jun. 2021: Undergraduate Student, Shandong University.
Publications
NEW!PartSAM: A Scalable Promptable Part Segmentation Model Trained on Native 3D Data
Zhe Zhu, Le Wan, Rui Xu, Yiheng Zhang, Honghua Chen, Zhiyang Dou, Cheng Lin, Yuan Liu, Mingqiang Wei
International Conference on Learning Representations.ICLR 2026.
NEW!MATStruct: High-quality Medial Mesh Computation via Structure-aware Variational Optimization
Ningna Wang, Rui Xu, Yibo Yin, Zichun Zhong, Taku Komura, Wenping Wang, Xiaohu Guo
Conference track.SIGGRAPH Asia 2025.
NEW!CrossGen: Learning and Generating Cross Fields for Quad Meshing
Qiujie Dong, Jiepeng Wang, Rui Xu, Cheng Lin, Yuan Liu, Shiqing Xin, Zichun Zhong, Xin Li, Changhe Tu, Taku Komura, Leif Kobbelt, Scott Schaefer, Wenping Wang
ACM Transactions on Graphics.SIGGRAPH Asia 2025.
NEW!KISSColor: Kinetic and Intuitive Stroke Stretching for Vector Drawing Colorization
Yiming Dong, Hongxu Xin, Zhiyang Dou, Rui Xu, Yuan Liu, Shuangmin Chen, Shiqing Xin, Changhe Tu, Taku Komura, Wenping Wang
ACM Transactions on Graphics.SIGGRAPH Asia 2025.
[ Coming soon ]
NEW!NeurCross: A Neural Approach to Computing Cross Fields for Quad Mesh Generation
Qiujie Dong, Huibiao Wen, Rui Xu, Shuangmin Chen, Jiaran Zhou, Shiqing Xin, Changhe Tu, Taku Komura, Wenping Wang
ACM Transactions on Graphics.SIGGRAPH 2025.
NEW!Feature-Preserving Mesh Repair via Restricted Power Diagram
Huibiao Wen, Guilong He, Rui Xu, Shuangmin Chen, Shiqing Xin, Zhenyu Shu, Taku Komura, Jieqing Feng, Wenping Wang, Changhe Tu
Conference track.SIGGRAPH 2025.
NEW!PDT: Point Distribution Transformation with Diffusion Models
Jionghao Wang, Cheng Lin, Yuan Liu, Rui Xu, Zhiyang Dou, Xiaoxiao Long, Haoxiang Guo, Taku Komura, Xin Li, Wenping Wang
Conference track.SIGGRAPH 2025.
NEW!P2Seg: Distance Query from Point to Segments
Jiantao Song, Rui Xu, Wensong Wang, Shiqing Xin, Shuangmin Chen, Jiaye Wang, Taku Komura, Wenping Wang, Changhe Tu
SPM 2025.
NEW!Explicit Topology and Connectivity Constraints for 3D Model Repair
Jiantao Song, Wensong Wang, Rui Xu, Wenlong Meng, Shuangmin Chen, Shiqing Xin, Taku Komura, Changhe Tu, Wenping Wang
Computers & Graphics 2025.
CWF: Consolidating Weak Features in High-quality Mesh Simplification
Rui Xu*, Longdu Liu*, Ningna Wang, Shuangmin Chen, Shiqing Xin, Xiaohu Guo, Zichun Zhong, Taku Komura, Wenping Wang, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH 2024.
Qiujie Dong, Rui Xu, Pengfei Wang, Shuangmin Chen, Shiqing Xin, Xiaohong Jia, Wenping Wang, Changhe Tu
ACM Transactions on Graphics.SIGGRAPH 2024.
Coverage Axis++: Efficient Inner Point Selection for 3D Shape Skeletonization
Zimeng Wang*, Zhiyang Dou*, Rui Xu, Cheng Lin, Yuan Liu, Xiaoxiao Long, Shiqing Xin, Taku Komura, Xiaoming Yuan, Wenping Wang
Computer Graphics Forum.SGP 2024.
A Task-driven Network for Mesh Classification and Semantic Part Segmentation
Qiujie Dong, Xiaoran Gong, Rui Xu, Zixiong Wang, Shuangmin Chen, Shiqing Xin, Changhe Tu, Wenping Wang
Computer Aided Geometric Design.GMP 2024.
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.
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.
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.
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.
Talks
- Nov. 2025: Invited Talk for ShanghaiTech University.
- Dec. 2024: Invited Talk for SIGGRAPH Asia 2024. Birds of a Feather: CG in Asia.
- Jul. 2024: Invited Talk for AnySyn3D.
- Apr. 2024: Invited Talk for Shandong University.
- Aug. 2023: Invited Talk for TechBeat(将门).
- Jul. 2023: Invited Talk for Synced Review(机器之心).
- Jul. 2023: Invited Talk for Shanghai AI lab.
- Jul. 2023: Invited Talk for HIT (weihai).
- Aug. 2022: Invited Talk at CSIAM GDC 2022.
Awards and Scholarships
- 🏆ACM SIGGRAPH 2023 Technical Papers Best Paper Award
- 🎖CSIG 2024 Outstanding Master's Thesis Award Honorable Mention
- 🎓Outstanding Master's Thesis Award, Shandong Province
- 🎓Outstanding Master's Thesis Award, Shandong University
- ⭐CSIAM GDC 2022 Outstanding Young Researchers
- 🌟2023 Shandong University "Power of role models" Student of the Year
- 🎓2023 Shandong University Presidential Scholarship
- 🏅2023 National Scholarship
- 💎2023 SDU Interdisciplinary Research Center Highest Award
- 📚2022 Hisense Scholarship
Review Services
- Journals: TOG, TPAMI, TVCG, CGF, TMM, Graphical Models
- Conferences: SIGGRAPH / SIGGRAPH Asia, CVPR, ICCV, ECCV, ICLR, WACV, Pacific Graphics, GMP, CAD/Graphics, CGI
Teaching Assistants
- HKU COMP3330 Interactive Mobile Application Design and Programming (2024–25)