(中国科学院“百人”计划)	Affiliations: Graphics&Geometric Computing Laboratory School of Mathematical Sciences University of Science and Technology of China Office: Room 1217 Management and Research Building East Campus, University of Science and Technology of China Hefei, Anhui, 230026 China Phone: +86-551-3600985 Fax: +86-551-3601005
	Email:   Web: http://staff.ustc.edu.cn/~lgliu     (Old web at ZJU: http://www.math.zju.edu.cn/ligangliu)

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New: We will have USTC 2012 summer school in computer graphics during June 26 and July 7, 2012. It's fee-free. Welcome to join the nice courses.
New: We have organized 2-day tutorials before GMP 2012. You are welcome to join the nice tutorials.
May 15, 2012: Prof. Yang Wang from Michigan State University visited us and gave a talk on "Mathematical techniques for authentication of visual arts".
April 10, 2012: Dr. Yang Liu from Microsoft Research Asia visited us and gave a talk on "Generation of high quality hexahedral meshes".
March 9, 2012: Dr. Shizhe Zhou from INRIA, France visited us and gave a talk on "Computational aesthetic and cross-dimension modeling".
March 8, 2012: Dr. Juyong Zhang from Swiss Federal Institute of Technology in Lausanne visited us and gave a talk on "Variational 3D mesh segmentation".
Feb. 27, 2012: Prof. Oliver Deussen from University of Konstanz, Germany visited us and gave a talk on "Computer Graphics modeling and reconstruction of tree models".
More...

Ligang Liu will join USTC as a high-profile professor of "Hundred Talents Program" of the Chinese Academy of Sciences (CAS) in the Spring of 2012. He will be the director of the Graphics&Geometric Computing Lab (GCL) at USTC. He received a Bachelor degree and a PhD degree in Applied Mathematics from Zhejiang University in 1996 and 2001 respectively. During 2001 and 2004, he worked at Microsoft Research Asia. Then he moved to Zhejiang University and led the Computer Graphics Group at the Department of Mathematics during 2004 and 2012. He paid an academic visit to SEAS at Harvard University during 2009 and 2011. Awards: Microsoft Young Professorship Award (2006), First Prize of Lu Zengyong CAD&CG High-Tech Award in China (2010). For more information about him, please also visit his old web at Zhejiang University.

My research interests include geometric modeling and processing, shape analysis, CAGD, and image processing, etc. More specifically:

• Geometry modeling and processing
  • Surface reconstruction
  • Shape modeling and creation
  • Surface parameterization
  • Shape editing and morphing
• Shape analysis (high-level geometry processing)
  • Sketch-based interactive shape segmentation
  • Symmetry analysis
  • Feature detection and analysis for 3D shapes
  • Co-segmentation of shape set
• Image and video processing
  • Geometry-driven image manipulation: image retargeting, human reshaping
  • Computational aesthetics: photo composition, black-and-white photos
  • Video editing
• Fundamental problems in CAGD
  • Curves and surfaces: splines, intersection, curve fairing
  • Delaunay triangulation and mesh generation
  • Graph embedding

2012
	Scanning 3D Full Human Bodies using Kinects. [Project page] Jing Tong, Jin Zhou, Ligang Liu, Zhigeng Pan, Hao Yan. IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE Virtual Reality), 18(4), 643-650, 2012.
	Variational Blue Noise Sampling. [PDF, 2.9M] Zhonggui Chen, Zhan Yuan, Yi-King Choi, Ligang Liu, Wenping Wang. IEEE Transactions on Visualization and Computer Graphics, 2012, to appear.
	Unsupervised Upright Orientation of Man-Made Models. [PDF, 2.0M] Yong Jin, Qingbiao Wu, Ligang Liu. Graphical Models (Proc. GMP), 2012, to appear.
	Interactive Two-Scale Color-to-gray. [PDF, 1.5M] Jinliang Wu, Xiaoyong Shen, Ligang Liu. The Visual Computer (Proc. Computer Graphics International), 2012, to appear.
	Curve intersection using hybrid clipping. [PDF, 0.9M] Qi Lou, Ligang Liu. Computers&Graphics (Proc. Solid Modeling International), 36(5): 309–320, 2012.
	Blue noise sampling on Surfaces. [PDF, 1.7M] Yin Xu, Ruizhen Hu, Craig Gotsman, Ligang Liu. Computers&Graphics, 36(4), 232-240, 2012.
	Detail-Replicating Shape Stretching. [PDF, 1.9M] [Demo at Youtube] Ibraheem Alhashim, Hao Zhang, Ligang Liu. The Visual Computer, 2012, to appear.
	Sketch-based Mesh Cutting: A Comparative Study. [Project page] Lubin Fan, Min Meng, Ligang Liu. Graphical Models, 2012, to appear.
2011
	Animated Construction of Line Drawings. [Project page] Hongbo Fu, Shizhe Zhou, Ligang Liu, Niloy J. Mitra. ACM Transactions on Graphics (Proc. SIGGRAPH ASIA), 30(6), Article No.133: 1-10, 2011.
	Photo-Inspired Model-Driven 3D Object Modeling. [Project page] Kai Xu, Hanlin Zheng, Hao Zhang, Daniel Cohen-Or, Ligang Liu, Yueshan Xiong. ACM Transactions on Graphics (Proc. SIGGRAPH), 2011, 30(4), Article No.80: 1-10.
	iCutter: A Direct Cut Out Tool for 3D Shapes. [Project page] Min Meng, Lubin Fan, Ligang Liu. Journal of Computer Animation and Virtual World,  22(4), 335-342, 2011.
	Embedding a Triangular Graph within a Given Boundary. [Paper] Yin Xu, Renjie Chen, Craig Gotsman, Ligang Liu. Computer Aided Geometric Design, 28, 349-356, 2011.
	Paint Mesh Cutting. [Project page] Lubin Fan, Ligang Liu, Kun Liu. Computer Graphics Forum (Proc. Eurographics), 30(2), 603-611, 2011.
	Symmetry Hierarchy of Man-Made Objects. [Project page] Yanzhen Wang, Kai Xu, Jun Li, Hao Zhang, Ariel Shamir, Ligang Liu, Zhiquan Cheng, Yueshan Xiong. Computer Graphics Forum (Proc. Eurographics), 30(2), 287-296, 2011.
	A Comparative Evaluation of Foreground/Background Sketch-based Mesh Segmentation Algorithms.  [Project page] Min Meng, Lubin Fan, Ligang Liu. Computers &Graphics (Proc. Shape Modeling International), 35(3), 650-660, 2011.
	Capacity-Constrained Delaunay Triangulation for Point Distributions. [Project page] Yin Xu, Ligang Liu, Craig Gotsman, Steven J. Gortler. Computers &Graphics (Proc. Shape Modeling International), 35(3), 510-516, 2011.
	Feature Enhancement by Vertex Flow for 3D Shapes. [Paper] Zhongping Ji, Ligang Liu, Bin Wang, Wenping Wang. Computer-Aided Design and Applications, 8(5), 649-664, 2011.
2010
	Analysis, Reconstruction and Manipulation using Arterial Snakes. [Project page] Guo Li, Ligang Liu, Hanlin Zheng, Niloy Mitra. ACM Transactions on Graphics (Proc. ACM SIGGRAPH ASIA), 29(5), Article No.152: 1-10, 2010.
	Parametric Reshaping of Human Bodies in Images. [Project page] Shizhe Zhou, Hongbo Fu, Ligang Liu, Daniel Cohen-Or, Xiaoguang Han. Transactions on Graphics (Proc. ACM SIGGRAPH), 29(4), Article No.126: 1-10, 2010.
	An As-Rigid-As-Possible Approach to Sensor Network Localization. [Project page] Lei Zhang, Ligang Liu, Craig Gotsman and Steven J. Gortler. ACM Transactions on Sensor Networks, 6(4), Article 35: 1-21, 2010.
	B-Mesh: A Modeling System for Base Meshes of 3D Articulated Shapes. [Project page] Zhongping Ji, Ligang Liu, Yigang Wang. Computer Graphics Forum (Proceedings of Pacific Graphics), 29(7), 2169-2178, 2010.
	Realtime aesthetic image retargeting. [Paper] [Demo] [Talk] Ligang Liu, Yong Jin, Qingbiao Wu. Proc. Eurographics Workshop on Computational Aesthetic in Graphics, Visualization, and Imaging, pp.1-8, 2010.
	Optimizing Photo Composition. [Project page] Ligang Liu, Renjie Chen, Lior Wolf, Daniel Cohen-Or. Computer Graphics Forum (Proceedings of Eurographics), 29(2), 469-478, 2010.
	Nonhomogeneous Scaling Optimization for Realtime Image Resizing. [Project page] Yong Jin, Ligang Liu, Qingbiao Wu. The Visual Computer (Proceedings of CGI), 26(6-8), 769-778, 2010.
	Content-Aware Image Resizing by Quadratic Programming. [Paper] Renjie Chen, Daniel Freedman, Zachi Karni, Craig Gotsman, Ligang Liu. Proc. CVPR Workshop on Non-Rigid Shape Analysis and Deformable Image Alignment (NORDIA), 1-8, 2010. (The Best Paper Award)
	Mesh reconstruction by meshless denoising and parameterization. [Paper] [Talk] Lei Zhang, Ligang Liu, Craig Gotsman, Hua Huang. Computers&Graphics (Proc. SMI), 34(3), 198-208, 2010.
	A Spectral Characterization of the Delaunay Triangulation.  [Paper] Renjie Chen, Yin Xu, Craig Gotsman, Ligang Liu. Computer Aided Geometric Design, 27(4), 295-300, 2010.
	Approximately harmonic projection: Theoretical analysis and an algorithm. [Paper] Binbin Lin, Xiaofei He, Yuan Zhou, Ligang Liu, Ke Lu. Pattern Recognition, 43, 3307-3313, 2010.
	Image Driven Shape Deformation using Styles.  [Paper] Guanghua Tan, Wei Chen, Ligang Liu. Journal of Zhejiang University (SCIENCE C), 11(1), 27-35, 2010.
	Local resampling for patch-based texture synthesis in vector fields. [Paper] Renjie Chen, Ligang Liu, Guangchang Dong. International Journal of Computer Applications in Technology, 38(1/2/3), 124-133, 2010.
2009
	Feature-Aligned Shape Texturing. [Project page] Kai Xu, Daniel Cohen-Or, Tao Ju, Ligang Liu, Hao Zhang, Shizhe Zhou, Yueshan Xiong. ACM Transactions on Graphics (Proc. ACM SIGGRAPH ASIA), 28(5), Article No. 108: 1-7, 2009.
	Partial Intrinsic Reflectional Symmetry of 3D Shapes. [Project page] Kai Xu, Hao Zhang, Andrea Tagliasacchi, Ligang Liu, Guo Li, Min Meng, Yueshan Xiong. ACM Transactions on Graphics (Proc. ACM SIGGRAPH ASIA), 28(5), Article No. 138: 1-10, 2009.
	Fast Approach for Computing Roots of Polynomials using Cubic Clipping. [Paper] Ligang Liu, Lei Zhang, Binbin Lin, Guojin Wang. Computer Aided Geometric Design, 26(5), 547-559, 2009.
Earlier (before 2009)
	A Local/Global Approach to Mesh Parameterization. [Project page] Ligang Liu, Lei Zhang, Yin Xu, Craig Gotsman, Steven J. Gortler. Computer Graphics Forum (Proc. Eurographics Symposium on Geometry Processing (SGP)), 27(5), 1495-1504, 2008.
	Non-Iterative Approach for Global Mesh Optimization. [Project page] Ligang Liu, Chiew-Lan Tai, Zhongping Ji, Guojin Wang. Computer-Aided Design, 39(9), 772-782, 2007.
	Dual Laplacian Morphing for Triangular Meshes. [Project page] Jianwei Hu, Ligang Liu, Guozhao Wang. Computer Animation and Virtual Worlds (Proc. Computer Animation and Social Agents (CASA)), 18, 271-277, 2007.
	Easy Mesh Cutting. [Project page] Zhongping Ji, Ligang Liu, Zhonggui Chen, Guojin Wang. Computer Graphics Forum (Proc. Eurographics), 25(3), 283-291, 2006.
	Dual Laplacian Editing for Meshes. [Project page] [Paper] Oscar Kin-Chung Au, Chiew-Lan Tai, Ligang Liu, Hongbo Fu. IEEE Transactions on Visualization and Computer Graphics, 12(3), 386-395, 2006.
	Manifold Parameterization. [Project page] Lei Zhang, Ligang Liu, Zhongping Ji, Guojin Wang. Lecture Notes in Computer Science (Proc. Computer Graphics International), 4035, 160-171, 2006.
	Perceptually based Approach for Planar Morphing. [Paper] [Demo] [Talk] Ligang Liu, Guopu Wang, Bo Zhang, Baining Guo, Heung-Yeung Shum. Proc. Pacific Graphics, pp. 111-120, 2004.
	Synthesis of Bi-directional Texture Functions on Arbitrary Surfaces. [Paper] [Demo] [Talk] Xin Tong, Jingdan Zhang, Ligang Liu, Xi Wang, Baining Guo, Heung-Yeung Shum. ACM Transactions on Graphics (Proc. ACM SIGGRAPH), 21(3), 665-672, 2002.

• Professional Services
  • Conference organization
    • The 2nd China-Korea Joint Conference on Geometric and Visual Computing 2006 (CKJC 2006)
    • Geometric Modeling and Processing 2008 (GMP 2008)
  • Program co-chair
    • The 4th CSIAM Geometric Design and Computing of China (GDC 2009)
    • Geometric Computing Workshop of the First Asian Conference on Design and Digital Engineering (ACDDE 2010)
    • The 5th CSIAM Geometric Design and Computing of China (GDC 2011)
  • Program committee member
    • Pacific Graphics (PG): 2007, 2009, 2010, 2011, 2012
    • Geometric Modeling and Processing (GMP): 2006, 2008, 2010, 2012
    • ACM Solid and Physical Modeling Symposium (SPM): 2006, 2010, 2011, 2012
    • Solid Modeling International (SMI): 2009, 2011, 2012
    • Asian Conference on Computer Vision (ACCV): 2012
    • Computational Aesthetics in Graphics, Visualization, and Imaging (CAe): 2010, 2011, 2012
    • Asian Conference on Design and Digital Engineering (ACDDE): 2010, 2011
    • CAD/Graphics: 2009, 2011
    • Bi-national conferences
      • China-Israel Bi-National Conference on Graphics and Geometric Computing: 2009, 2011
      • China-Korea Joint Conference on Geometric and Visual Computing (KCJC): 2007
    • Domestic conferences
      • Chinagraph: 2010, 2012
      • CAD/CG 2006 of China: 2006, 2010, 2012
      • Intelligent CAD and Digital Entertainment of China (CIDE): 2007, 2008, 2009
      • Digital Entertainment and Arts of China (DEA): 2010, 2011
    • Others:
      • 3DimPVT 2012 (3DimPVT 2012)
      • GeoWeb 2009 (GeoWeb 2009)
      • The 5th International Conference on Frontier of Computer Science and Technology (FCST 2010)
      • The 3rd International Congress on Image and Signal Processing (CISP 2010)
      • International Conference on Progress in Informatics and Computing (PIC 2010)
      • The 8th ISVD International Symposium on Voronoi Diagrams in Science and Engineering (ISVD 2011)
      • The 6th International Conference on Frontier of Computer Science and Technology (FCST 2011)
      • Web3D workshop of ACM VRCAI 2011 (Web3D 2011)
• Tutorial/Course
  • "Geometric Modeling and Processing", the First Joint 3DIM/3DPVT Conference on 3D Imaging, Modeling, Processing, Visualization, and Transmission, May 16-19, 2011, Hangzhou, China (3DIMPVT 2011)
  • "Digital Geometry Processing", the 5th CSIAM Geometric Design and Computing of China, Nov. 10-13, 2011, Guangzhou, China (GDC 2011)
• Attending Academic Conferences
  • The 2nd CSIAM Geometric Design and Computing of China, Apr. 16-21, 2005, Hefei, China (GDC 2005)
  • The 13rd Pacific Conference on Computer Graphics and Application, Oct. 12-14, 2005, Macau, China (PG 2005)
  • The 9th International Computer Aided Design and Computer Graphics Conference, Dec. 7-10, 2005, Hong Kong, China (CAD/CG 2005)
  • The 6th International Conference on Curves and Surfaces, Jun. 29-Jul. 5, 2006, Avignon, France (Curves&Surfaces 2006)
  • The 2nd China-Korea Joint Conference on Geometric and Visual Computing, Aug. 23-25, 2006, Hangzhou, China (CKJC 2006)
  • Eurographics, Sep. 4-8, 2006, Vienna, Austria (Eurographics 2006)
  • The 14th Conference on CAD/CG of China, Oct. 18-20, 2006, Jinan, China  (CAD/CG 2006)
  • The 3rd Conference on Intelligent CAD and Digital Entertainment of China, Oct. 20-22, 2006, Jinan, China (CIDE 2006)
  • The 33rd Graphics Interface conference, May 28-30, 2007, Montreal, Canada (GI 2007)
  • ACM Solid and Physical Modeling Symposium, June 4-6, 2007, Beijing, China (SPM 2007)
  • The 2nd Geometric Design and Computing of China, July. 15-22, 2007, Lanzhou and Duhuang, China (GDC 2007)
  • The 34th International Conference and Exhibition on Computer Graphics and Interactive Techniques, Aug. 4-10, 2007, San Diego, USA (SIGGRAPH 2007)
  • The 3rd Korea-China Joint Conference on Geometric and Visual Computing, Aug. 22-24, 2007, Seoul, Korea (KCJC 2007)
  • Workshop on Computational Methods for Algebraic Spline Surfaces, Sep.10-14, 2007, Strobl, Austria
  • Workshop on Polyhedral Surfaces and Industrial Applications, Sep.14-18, 2007, Strobl, Austria
  • Geometric Modeling and Processing, April 23-25, 2008, Hangzhou, China. (GMP 2008)
  • The Sixth Eurographics Symposium on Geometry Processing, July 2-4, 2008, Copenhagen, Denmark. (SGP 2008)
  • The 35th International Conference and Exhibition on Computer Graphics and Interactive Techniques, Aug. 11-15, 2008, Los Angels, USA (SIGGRAPH 2008)
  • The 4th China-Korea Joint Conference on Geometric and Visual Computing & IJCC Workshop, Aug. 25-26, 2008, Hefei, China (CKJC 2008)
  • Workshop on City Modeling, Simulation, and Visualization (2008), Dec. 9-11, 2008, Shenzhen, China
  • The 1st China-Israel Bi-National Conference on Graphics and Geometric Computing, Oct. 10-12, 2009, Beijing, China (CI 2009)
  • Eurographics, May. 3-7, 2010, Norrkoping, Sweden (Eurographics 2010)
  • International Symposium on Computational Aesthetics in Graphics, Visualization, and Imaging, June 14-15, 2010, London, The United Kingdom (CAe 2010)
  • The 37th International Conference and Exhibition on Computer Graphics and Interactive Techniques, July 25-29, 2010, Los Angels, USA (SIGGRAPH 2010)
  • Asian Conference on Design and Digital Engineering, Aug. 25-28, 2010, Jeju, Korea (ACDDE 2010)
  • Pacific Graphics, Sep. 25-27, 2010, Hangzhou, China (PG 2010)
  • The First Joint 3DIM/3DPVT Conference on 3D Imaging, Modeling, Processing, Visualization, and Transmission, May 16-19, 2011, Hangzhou, China (3DIMPVT 2011)
  • The 8th Dagstuhl Workshop on Geometric Modeling, May 22-27, 2011, Dagstuhl, Germany (Dagstuhl 2011)
  • The 2nd China-Israel Bi-National Conference on Graphics and Geometric Computing, June 19-20, 2011, Herzeliya, Israel (CI 2011)
  • Shape Modeling International, June 22-24, 2011, Herzeliya, Israel (SMI 2011)
  • The Second Asian Conference on Design and Digital Engineering, Aug. 22-24, 2011, Shanghai, China (ACDDE 2011)
  • International Conference on CAD/Graphics, Sep. 14-16, 2011, Jinan, China (CAD/Graphics 2011)
  • The 5th CSIAM Geometric Design and Computing of China, Nov. 12-14, 2011, Guangzhou, China (GDC 2011)
  • Siggraph Asia, Dec. 12-15, 2011, Hong Kong, China (SIGGRAPH Asia 2011)
  • GMSV Summit 2012, April 25-27, KAUST, Saudi Arabia (GMSV Summit 2012)
• Academic Visit
  • Prof. Chiew-Lan Tai (Hong Kong University of Science & Technology, Hong Kong), Jan.15-Feb. 15, 2005
  • Prof. Bert Juettler (Johannes Kepler University Linz, Austria), Jun.6-27, 2006
  • Prof. Yiyu Cai and Jianmin Zheng (Nanyang Technological University, Singapore), Feb. 6-11, 2007
  • Prof. Deok-Soo Kim (Hanyang University, Seoul, Korea), Feb. 14-18, 2007
  • Prof. Wenping Wang (The University of Hong Kong, Hong Kong), Apr. 28-May.5, 2007
  • Prof. Xianfeng Gu (Stony Brook University, USA), June 6-June 9, 2009
  • Prof. Olga Sorkine (New York University, USA), Nov. 16, 2010
  • Prof. Richard Hao Zhang (Simon Fraser University, Canada), Nov. 21-24, 2010
  • Prof. Steven J. Gortler (Harvard University, USA), May 2009-Jan. 2011
  • Prof. Craig Gotsman (Technion, Israel), June 14-June 17, 2011
  • Prof. Ying He (Nanyang Technological University), Mar. 15-18, 2012

• Digital geometry processing, Graduate, MA06424
  • Spring-Summer, 2012
• Previous teaching courses at Zhejiang University

• SmartChair: We have developed a powerful online conference management system, called SmartChair, in our lab. It has all the features (submission, review, registration, etc.) that all the other conference systems have and it allows users to customize its features. It is totally FREE. If you want to use SmartChair to manage your conferences, please contact us via info@smartchair.org. Enjoy it!

• Useful URLs
• Hobbies: travelling, badminton, tennis, football, modern dance, etc.

Copyright © Ligang Liu