Yuanqi Li

yuanqili.jpg 

李元琪
Yuanqi Li
Research Assistant Professor, NJU Meta Graphics Lab
Computer Science and Technology
Nanjing University, Nanjing 210023, China

Email: yuanqili {AT} nju.edu.cn
Laboratory: Meta Graphics & 3D Vision Lab

Biography

李元琪 博士 2018年本科毕业于南京大学物理学院，2024年博士毕业于南大计算机学院，现任南大计算机学院助理研究员，研究方向为三维视觉与智能图形，包括三维重建与生成、物理可控的世界模型、三维场景理解与分析、矢量图形、图像视频处理等。发表ACM SIGGGRAPH, IEEE TVCG, CVPR等CCF-A类论文20篇。主持国自然青年项目，担任国自然重点项目骨干成员，成果应用于中石化、巴斯夫、国家电网、华为、腾讯、米哈游等企业。担任SIGGRAPH、CVPR、ICCV等期刊、会议审稿人。 长期招收保研、考研学生，也非常欢迎本科各个年级的同学联系我参与本科生科研实践，我的邮箱:yuanqili@nju.edu.cn。

Research Interests

Point Cloud Processing.

3D Computer Graphics.

3D reconstruction.

Image/Video Vectorization.

Courses

智能三维重建技术与实践（2025秋季、2026秋季）

程序设计基础（2025秋季、2026秋季）

计算方法（2025秋季）

人工智能赋能新质生产力：技术与实践（南京大学-中国移动联合慕课）

两年内指导10人次本科科研实践，9篇本科毕业论文

Publication

Selected papers

  1. Junran Lu, Yuanqi Li*, Hengji Li, Jie Guo, Yanwen Guo, “Flatten the Complex: Joint B-Rep Generation via Compositional k-Cell Particles”, ACM SIGGRAPH 2026 (CCF-A).
  2. Jiaxing Yu, Dongyang Ren, Hangyu Xu, Zhouyuxiao Yang, Yuanqi Li*, Jie Guo, Zhengkang Zhou, Yanwen Guo, “BrepGaussian: CAD reconstruction from Multi-View Images with Gaussian Splatting”, CVPR, 2026 (CCF-A).
  3. Yuanqi Li, Hongshen Wang, Yansong Liu, Jingcheng Huang, Shun Liu, Chenyu Huang, Jianwei Guo, Jie Guo, and Yanwen Guo*, “Deep Point Cloud Edge Reconstruction via Surface Patch Segmentation”, IEEE TVCG, 2025 (CCF-A).
  4. Yuanqi Li, Jingcheng Huang, Hongshen Wang, Peiyuan Lv, Yansong Liu, Jiuming Zheng, Jie Guo, Yanwen Guo*, “High-quality Point Cloud Oriented Normal Estimation via Hybrid Angular and Euclidean Distance Encoding”, CVPR, 2025 (CCF-A).
  5. Xinran Yang, Donghao Ji, Yuanqi Li*, Junyuan Xie, Jie Guo, Yanwen Guo*, “EdgeMovingNet: Edge-preserving Point Cloud Reconstruction via Joint Geometry Features”, CVPR, 2025 (CCF-A).
  6. Yanwen Guo*(博导), Yuanqi Li, Dayong Ren, Xiaohong Zhang, Jiawei Li, Liang Pu, Changfeng Ma, Xiaoyu Zhan, Jie Guo, Mingqiang Wei, Yan Zhang, Piaopiao Yu, Shuangyu Yang, Donghao Ji, Huisheng Ye, Hao Sun, Yansong Liu, Yinuo Chen, Jiaqi Zhu, Hongyu Liu, “LiDAR-Net: A Real-scanned 3D Point Cloud Dataset for Indoor Scenes”, CVPR, 2024 (CCF-A).
  7. 郭延文，李元琪，过洁，于飘飘，“三维场景智能重建：构建工业数字孪生的基石”，中国人工智能学会通讯，2024.
  8. Yuanqi Li, Shun Liu, Xinran Yang, Jianwei Guo*, Jie Guo, Yanwen Guo*, “Surface and Edge Detection for Primitive Fitting of Point Clouds”, ACM SIGGRAPH 2023 (CCF-A).
  9. Yuanqi Li, Chuan Wang, Jing Hong, Jie Zhu, Jie Guo*, Jue Wang, Yanwen Guo*, Wenping Wang, “Video Vectorization via Bipartite Diffusion Curves Propagation and Optimization”, IEEE TVCG, 2022 (CCF-A).

Full Paper list

2026

  1. Junran Lu, Yuanqi Li*, Hengji Li, Jie Guo, Yanwen Guo, “Flatten the Complex: Joint B-Rep Generation via Compositional k-Cell Particles”, ACM SIGGRAPH 2026 (CCF-A).
  2. Jiaxing Yu, Dongyang Ren, Hangyu Xu, Zhouyuxiao Yang, Yuanqi Li*, Jie Guo, Zhengkang Zhou, Yanwen Guo, “BrepGaussian: CAD reconstruction from Multi-View Images with Gaussian Splatting”, CVPR, 2026 (CCF-A).
  3. Xinran Yang, Shuichang Lai, Jiangjing Lyu, Hongjie Li, Bowen Pan, Yuanqi Li, Jie Guo, Zhengkang Zhou, Yanwen Guo*, “LoG3D: Ultra-High-Resolution 3D Shape Modeling via Local-to-Global Partitioning”, CVPR, 2026 (CCF-A).
  4. Xinran Yang, Donghao Ji, Yuanqi Li, Jie Guo, Yanwen Guo*, “Surface Reconstruction from Point Clouds via Image-free Point-to-Gaussian Inference”, IEEE TVCG, 2026 (CCF-A).
  5. Changfeng Ma, Pengxiao Guo, Shuangyu Yang, Yuanqi Li, Jie Guo, Chongjun Wang, “Weakly-Supervised Shape Multi-Completion of Point Clouds by Structural Decomposition”, IEEE TVCG, 2026 (CCF-A).
  6. Haomin Wang, Jinhui Yin, Qi Wei, Wenguang Zeng, Lixin Gu, Shenglong Ye, Zhangwei Gao, Yaohui Wang, Yanting Zhang, Yuanqi Li, Yanwen Guo, Wenhai Wang, Kai Chen, Yu Qiao, Hongjie Zhang*, “InternSVG: Towards Unified SVG Tasks with Multimodal Large Language Models”, ICLR, 2026 (CCF-A).

2025

  1. Yuanqi Li, Hongshen Wang, Yansong Liu, Jingcheng Huang, Shun Liu, Chenyu Huang, Jianwei Guo, Jie Guo, and Yanwen Guo*, “Deep Point Cloud Edge Reconstruction via Surface Patch Segmentation”, IEEE TVCG, 2025 (CCF-A).
  2. Yuanqi Li, Jingcheng Huang, Hongshen Wang, Peiyuan Lv, Yansong Liu, Jiuming Zheng, Jie Guo, Yanwen Guo*, “High-quality Point Cloud Oriented Normal Estimation via Hybrid Angular and Euclidean Distance Encoding”, CVPR, 2025 (CCF-A).
  3. Xinran Yang, Donghao Ji, Yuanqi Li*, Junyuan Xie, Jie Guo, Yanwen Guo*, “EdgeMovingNet: Edge-preserving Point Cloud Reconstruction via Joint Geometry Features”, CVPR, 2025 (CCF-A).
  4. Letian Huang, Jie Guo*, Jialin Dan, Ruoyu Fu, Yuanqi Li, Yanwen Guo, “Spectral-GS: Taming 3D Gaussian Splatting with Spectral Entropy”, ACM SIGGRAPH Asia, 2025 (CCF-A).
  5. Xiaoyu Zhan, Wenxuan Huang, Hao Sun, Xinyu Fu, Changfeng Ma, Shaosheng Cao*, Bohan Jia, Shaohui Lin, Zhenfei Yin, Lei Bai, Wanli Ouyang, Yuanqi Li, Jie Guo, and Yanwen Guo*, “Actial: Activate Spatial Reasoning Ability of Multimodal Large Language Models”, NeurIPS, 2025 (CCF-A).
  6. Haiyang Bai, Jiaqi Zhu, Songru Jiang, Wei Huang, Tao Lu, Yuanqi Li, Jie Guo, Runze Fu, Yanwen Guo, Lijun Chen*, “GaRe: Relightable 3D Gaussian Splatting for Outdoor Scenes from Unconstrained Photo Collections”, ICCV, 2025 (CCF-A).
  7. Letian Huang, Dongwei Ye, Jialin Dan, Chengzhi Tao, Huiwen Liu, Kun Zhou, Bo Ren, Yuanqi Li, Yanwen Guo, Jie Guo*, “TransparentGS: Fast Inverse Rendering of Transparent Objects with Gaussians”, ACM SIGGRAPH, 2025 (CCF-A).
  8. Xinran Yang, Donghao Ji, Yuanqi Li, Jie Guo, Yanwen Guo*, Junyuan Xie, “SGCR: Spherical Gaussians for Efficient 3D Curve Reconstruction”, CVPR, 2025 (CCF-A).
  9. Xiaoyu Zhan, Jianxin Yang, Jun Wang, Yuanqi Li, Jie Guo, Yanwen Guo*, “Make PBR Materials Tileable with Latent Diffusion Inpainting”, IEEE TVCG, 2025 (CCF-A).
  10. Jiayang Bai, Letian Huang, Jie Guo, Wen Gong, Yuanqi Li, Yanwen Guo, “360-GS: Layout-guided Panoramic Gaussian Splatting for Indoor Roaming”, 3DV, 2025 (CCF-C).

2024

  1. Yanwen Guo*(博导), Yuanqi Li, Dayong Ren, Xiaohong Zhang, Jiawei Li, Liang Pu, Changfeng Ma, Xiaoyu Zhan, Jie Guo, Mingqiang Wei, Yan Zhang, Piaopiao Yu, Shuangyu Yang, Donghao Ji, Huisheng Ye, Hao Sun, Yansong Liu, Yinuo Chen, Jiaqi Zhu, Hongyu Liu, “LiDAR-Net: A Real-scanned 3D Point Cloud Dataset for Indoor Scenes”, CVPR, 2024 (CCF-A).
  2. Xiaoyu Zhan, Jianxin Yang, Yuanqi Li, Jie Guo, Yanwen Guo*, Wenping Wang, “Semantic Human Mesh Reconstruction with Textures”, CVPR, 2024 (CCF-A).
  3. Xiaohong Zhang, Huisheng Ye, Jingwen Li, Qinyu Tang, Yuanqi Li, Yanwen Guo*, Jie Guo, “Prompt3D: Random Prompt Assisted Weakly-Supervised 3D Object Detection”, CVPR, 2024 (CCF-A).
  4. Letian Huang, Jiayang Bai, Jie Guo*, Yuanqi Li, Yanwen Guo, “On the Error Analysis of 3D Gaussian Splatting and an Optimal Projection Strategy”, ECCV, 2024 (CCF-B).

2023

  1. Yuanqi Li, Shun Liu, Xinran Yang, Jianwei Guo*, Jie Guo, Yanwen Guo*, “Surface and Edge Detection for Primitive Fitting of Point Clouds”, ACM SIGGRAPH 2023 (CCF-A).

2022

  1. Yuanqi Li, Chuan Wang, Jing Hong, Jie Zhu, Jie Guo*, Jue Wang, Yanwen Guo*, Wenping Wang, “Video Vectorization via Bipartite Diffusion Curves Propagation and Optimization”, IEEE TVCG, 2022 (CCF-A).
  2. Jie Guo, Bingyang Hu, Yanjun Chen, Yuanqi Li, Yanwen Guo*, Ling-Qi Yan, “Rendering Discrete Participating Media Using Geometrical Optics Approximation”. CVM, 2022 (CCF-C).

Contact

Email: yuanqili {AT} nju.edu.cn

Laboratory: Meta Graphics & 3D Vision Lab

Address: Computer Science and Technology, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing 210023, China
(南京市栖霞区仙林大道163号, 南京大学仙林校区, 计算机科学与技术系, 210023.)