I am Pengfei Wang (王鹏飞), a Ph.D. candidate at the Interdisciplinary Research Center, Shandong University, where I have been conducting research under the supervision of Prof. Changhe Tu and Prof. Shiqing Xin.
I grew up in Binzhou, Shandong, China. I spent my most memorable time at Beizhen Middle School (class of 2014), where I made some truly great friends.
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Pengfei Wang; Qinghao Guo; Qiong Zeng; Shuangmin Chen; Shiqing Xin; Changhe Tu.
COMPUTER SCIENCE (in Chinese) 2026
We extend DP-NNS to fast approximate point-to-mesh distance queries using Delaunay-connected proxy points, achieving 2-10X speedups over existing methods.
[Paper] [CNKI] [Link] [Info] PublishedJuly 17, 2026VolumeVol. 53, No. 9 (September 2026)Pages240-248CCFT2 (Chinese journal)

Pengfei Wang; Shuangmin Chen; Dongming Yan; Ying He; Shiqing Xin; Changhe Tu; Wenping Wang.
ACM Transactions on Graphics (Proceedings of SIGGRAPH) 2026
We introduce a QEM-based simplification approach that explicitly tracks surface correspondence to generate clean, scalable, and structurally aligned Medial Axis Transforms (MATs), even under extreme simplification.
[Paper] [Arxiv] [Slides] [Video] [Code] [Link] [Info] PublishedJuly 3, 2026VolumeVol. 45, No. 4 (July 2026)Pages1-19CCFACAS 2025Computer Science, Q1, TopXinRui 2026Computer Science, Q2, TopJCRQ1 (Computer Science, Software Engineering)Impact Factor13.0 (2025)

Pengfei Wang; Qinghao Guo; Haisen Zhao; Shiqing Xin; Shuangmin Chen; Changhe Tu; Wenping Wang.
ACM Transactions on Graphics (Proceedings of SIGGRAPH) 2026
We introduce Manifold k-NN, a recursive framework that accelerates k-NN queries on manifold point clouds by 3x-5x over kd-trees, natively supporting dynamic prefix queries and neighborhood maintenance.
[Paper] [Arxiv] [Slides] [Video] [Code] [Link] [Info] PublishedJuly 3, 2026VolumeVol. 45, No. 4 (July 2026)Pages1-12CCFACAS 2025Computer Science, Q1, TopXinRui 2026Computer Science, Q2, TopJCRQ1 (Computer Science, Software Engineering)Impact Factor13.0 (2025)

Pengfei Wang; Ziyang Zhang; Wensong Wang; Shuangmin Chen; Lin Lu; Shiqing Xin; Changhe Tu.
IEEE Transactions on Visualization and Computer Graphics (TVCG) 2026
A novel isosurface extraction framework that leverages incrementally constructed power diagrams and adaptive sampling to capture intricate geometric and topological details from Signed Distance Fields with minimal computational cost.
[Paper] [Arxiv] [Link] [Info] PublishedApril 21, 2026VolumeVol. 32, No. 8 (August 2026)Pages7422-7434CCFACAS 2025Computer Science, Q2, TopXinRui 2026Computer Science, Q2, TopJCRQ1 (Computer Science, Software Engineering)Impact Factor6.8 (2025)

Pengfei Wang*; Yuexin Yang*; Shuangmin Chen; Shiqing Xin; Changhe Tu; Wenping Wang. (* equal contribution)
Computer Graphics Forum (CGF). Presented at PG 2025
A novel multi-field tetrahedral framework that inverts motion perspective to robustly compute swept volumes with high geometric fidelity, effectively resolving complex self-intersections where traditional single-field methods fail.
[Paper] [Video] [Slides] [Arxiv] [Link] [Info] PublishedOctober 11, 2025VolumeVol. 44, No. 7 (October 2025)PagesArticle e70238CCFBCAS 2025Computer Science, Q4XinRui 2026Computer Science, Q3JCRQ2 (Computer Science, Software Engineering)Impact Factor2.6 (2025)

Pengfei Wang; Jiantao Song; Shiqing Xin; Shuangmin Chen; Changhe Tu; Wenping Wang; Jiaye Wang.
IEEE Transactions on Pattern Analysis and Machine Intelligence 2025
A novel dynamic programming framework that encodes the incremental evolution of Voronoi diagrams into a DAG to accelerate nearest neighbor search on manifolds and reduce density peak clustering complexity to $O(n \log n)$.
[Paper] [Project] [Code] [Arxiv] [Link] [Info] PublishedSeptember 16, 2025VolumeVol. 48, No. 1 (January 2026)Pages999-1014CCFACAS 2025Computer Science, Q1, TopXinRui 2026Computer Science, Q1, TopJCRQ1 (Computer Science, Artificial Intelligence)Impact Factor20.4 (2025)

Jin Zhao*; Pengfei Wang*; Shuangmin Chen; Jiong Guo; Shiqing Xin; Changhe Tu; Wenping Wang. (* equal contribution)
Computer-Aided Design (CAD). Presented at SPM 2025
A novel offset computation paradigm that utilizes surface-constrained Voronoi decomposition and intrinsic triangulation to transform complex geodesic tracing into efficient, localized cell-traversal operations on parametric surfaces.
[Paper] [Slides] [Arxiv] [Link] [Info] PublishedJuly 21, 2025VolumeVol. 188 (November 2025)PagesArticle 103916CCFBCAS 2025Computer Science, Q3XinRui 2026Computer Science, Q3JCRQ2 (Computer Science, Software Engineering)Impact Factor3.2 (2025)

Pengfei Wang; Jiantao Song; Lei Wang; Shiqing Xin; Dongming Yan; Shuangmin Chen; Changhe Tu; Wenping Wang.
IEEE Transactions on Visualization and Computer Graphics (TVCG) 2025
A high-fidelity medial axis extraction framework that generalizes Voronoi computation to 4D space via hyperplane cutting within tetrahedral elements, effectively resolving complex surface patch interactions to eliminate discretization artifacts.
[Paper] [Arxiv] [Link] [Info] PublishedJanuary 17, 2025VolumeVol. 31, No. 10 (October 2025)Pages6810-6823CCFACAS 2025Computer Science, Q2, TopXinRui 2026Computer Science, Q2, TopJCRQ1 (Computer Science, Software Engineering)Impact Factor6.8 (2025)

Wei Liu*; Pengfei Wang*; Shuangmin Chen; Shiqing Xin; Changhe Tu; Ying He; Wenping Wang. (* equal contribution)
Computer Aided Geometric Design (CAGD). Presented at GMP 2024
A two-stage algorithm to compute the geodesic ridge curve on triangular meshes. By cutting the surface along the dual structure of the shortest path tree and using a fast marching solver on the extended surface, we enable accurate geodesic distance querying and high-fidelity visualization of geodesic iso-lines.
[Paper] [Link] [Info] PublishedApril 23, 2024VolumeVol. 111 (June 2024)PagesArticle 102291CCFBCAS 2025Computer Science, Q4XinRui 2026Computer Science, Q3JCRQ2 (Mathematics, Applied); Q3 (Computer Science, Software Engineering)Impact Factor1.7 (2025)