Ligang Liu – Curriculum Vitae

Associate Professor

Department of Mathematics

Zhejiang University

Hangzhou 310027, China

Tel: +86-571-8795-3668 Fax: +86-571-8795-3668

ligangliu@zju.edu.cn

http://www.math.zju.edu.cn/ligangliu

Research Interest

Digital geometry processing for computer graphics, geometric modeling, discrete differential geometry, image processing

Academic Degrees

2001	Zhejiang University, China, Ph.D. with honors in Mathematics
1996	Zhejiang University, China, B.Sc. with honors in Mathematics

Academic Experience

2004-	Associate Professor, Department of Mathematics, Zhejiang University, China
2001-2004	Associate Researcher, Internet Graphics Group, Microsoft Research Asia

Teaching Experience

2005/06/07	Digital Geometry Processing (Graduate), Zhejiang University
2007	Digital Image Processing (Graduate), Zhejiang University
2004	Mathematical Analysis (Undergraduate), Zhejiang University
2005/06/07	Data Structure (Undergraduate), Zhejiang University
2005	Mathematical Modeling (Undergraduate), Zhejiang University
2005/06/07	Ordinary Differential Equation (Undergraduate), Zhejiang University
2006	Mathematical Software (Undergraduate), Zhejiang University

Research Grants

2008-2010	Sketching-based Shape Matching and Retrieval National Natural Science Foundation of China (No. 60776799)
2005-2008	Active Curves and Surfaces and Their Applications National Natural Science Foundation of China (No. 60503067)
2005-2007	Research on Sketching-based Surface Segmentation Zhejiang Provincial Natural Science Foundation of China (No. Y105159)
2006-2007	Dual Laplacian Processing on Triangular Meshes Microsoft Research Asia Research Grant
2005-2006	Smooth Surface Construction over Triangular Meshes Microsoft Research Asia Research Grant

List of Publications

Journal Papers
1.	Ligang Liu, Chiew-Lan Tai, Zhongping Ji, Guojin Wang. Non-Iterative Linear Approach for Global Mesh Optimization. Computer-Aided Design, 2007, 39(9), 772-782.
2.	Jianwei Hu, Ligang Liu, Guozhao Wang. Dual Laplacian Morphing for Triangular Meshes. Computer Animation and Virtual Worlds (Proceedings of CASA), 2007, 18: 271-277.
3.	Zhongping Ji, Ligang Liu, Zhonggui Chen, Guojin Wang. Easy Mesh Cutting. Computer Graphics Forum (Proceedings of Eurographics), 2006, 25(3): 283-291.
4.	Oscar Kin-Chung Au, Chiew-Lan Tai, Ligang Liu, and Hongbo Fu. Dual Laplacian editing for meshes. IEEE Transactions on Visualization and Computer Graphics, 2006, 12(3): 386-395.
5.	Lei Zhang, Ligang Liu, Zhongping Ji, Guojin Wang. Manifold Parameterization. Lecture Notes in Computer Science (Proceedings of CGI), 2006, 4035: 160-171.
6.	Zhongping Ji, Ligang Liu, and Guojin Wang. Non-iterative Global Mesh Smoothing with Feature Preservation. International Journal of CAD/CAM, 6(1), 85-93, 2006.
7.	Renjiang Zhang, Ligang Liu, Weiyin Ma, and Guojin Wang. Construction of cubic triangular patches with C1 continuity around a corner. International Journal of CAD/CAM, 6(1), 145-152, 2006.
8.	Hongwei Lin, Guojin Wang, Ligang Liu, Hujun Bao. Parameterization for fitting triangular mesh, Progress in Natural Science, 2006, 16(11): 1214-1221.
9.	Ligang Liu, Bo Zhang, Baining Guo, and Heung-Yeung Shum. Polygonal shape blending with topological evolutions. Journal of Computer Science and Technology, 2005, 20(1): 77-89.
10.	Ligang Liu and Guojin Wang. Explicit representation for NURBS curves and surfaces. Computer Aided Geometric Design, 2002, 19(6): 409-419.
11.	Hongwei Lin, Ligang Liu, and Guojin Wang. Boundary evaluation for interval Bézier curves. Computer-Aided Design, 2002, 34(9), 637-646.
12.	Xin Tong, Jingdan Zhang, Ligang Liu, Xi Wang, Baining Guo, and Heung-Yeung Shum. Synthesis of bi-directional texture functions on arbitrary surfaces. ACM Transaction on Graphics (Proceedings of SIGGRAPH), 2002, 21(3): 665-672.
13.	Ligang Liu and Guojin Wang. Two types of polynomial approximation to rational surfaces. Journal of Software, 2001, 12(5): 650-655.
14.	Ligang Liu and Guojin Wang. Three-dimensional shape blending: intrinsic solutions to spatial interpolation problems. Computers & Graphics, 1999, 23(4), 535-545.
Refereed Proceedings
15.	Zhonggui Chen, Ligang Liu, Zhenyue Zhang, Guojin Wang. Surface Parameterization via Aligning Optimal Local Flattening. Proceedings of ACM Symposium on Solid and Physical Modeling (SPM 2007), Beijing, China, pp.291-296, 2007.
16.	Min Meng, Ligang Liu. Sketching Image Morphing using Moving Least Squares. The 3rd Korea-China Joint Conference on Geometric and Visual Computing, August, 2007, Seoul, Korea.
17.	Wenhao Song, Ligang Liu. Stretch-based Tetrahedral Mesh Manipulation. Proceedings of Graphics Interface, Montreal, Canada, 2007.
18.	Oscar Kin-Chung Au, Chiew-Lan Tai, Hongbo Fu, and Ligang Liu. Mesh editing with curvature flow Laplacian. Proceedings of Symposium on Geometry Processing, poster, 2005.
19.	Wenhao Song, Ligang Liu, and Xunnian Yang. Fast and Robust Ridge-Ravine Detection on Triangular Meshes by Smooth Parametric Functions. Proceedings of Pacific Graphics, short paper, poster, 2005.
20.	Ligang Liu, Guopu Wang, Bo Zhang, Baining Guo and Heung-Yeung Shum, Perceptually based approach for planar morphing, Proceedings of Pacific Graphics, IEEE Computer Society, Seoul, Korea, Oct., 2004, pp. 111-120.
21.	Xi Wang, Lifeng Wang, Ligang Liu, Shimin Hu and Baining Guo. Interactive modeling of tree bark. Proceedings of Pacific Graphics, IEEE Computer Society, Alberta, Canada, Oct, 2003, pp. 83-90.
22.	Ligang Liu and Guojin Wang. Recursive formulae for Hermite polynomial approximations to rational Bézier curves. Proceedings of Geometric Modeling and Processing, IEEE Computer Society, Hong Kong, Apr., 2000, pp.190-197.
Journal Papers in Chinese
23.	Yichuan Ding and Ligang Liu. Optimal vertex matching algorithm for polygonal shapes. Journal of Zhejiang University (Engineering Science), 2007, 41(9): 1532-1536. (丁弋川，刘利刚. 多边形顶点匹配优化算法. 浙江大学学报(工学版), 2007, 41(9): 1532-1536.) (In Chinese)
24.	Shaozhong Ren, Ligang Liu and Guojin Wang. Detail Preserving Planar Shape Editing. Journal of Computer-Aided Design & Computer Graphics, 2007, 19(1): 42-47. (任绍忠，刘利刚，王国瑾，保细节平面形状编辑，计算机辅助设计与图形学学报，2007, 19(1): 42-47.) (In Chinese)
25.	Zhongping Ji, Ligang Liu, Guojin Wang. Feature preserving mesh simplification based on corner cutting. Computer Research and Development, 2006, 43(12): 2144-2151. (计忠平，刘利刚，王国瑾.基于割角的保特征网格简化算法.计算机研究与进展,2006, 43(12): 2144-2151.) (In Chinese)
26.	Zhongping Ji, Ligang Liu, Guojin Wang. Mesh simplification based on local polynomial fitting. Journal of Zhejiang University (Engineering Science), 2006, 40(12): 2083-2087. (计忠平，刘利刚，王国瑾. 基于局部多项式拟合的网格简化算法.浙江大学学报(工学版), 2006, 40(12): 2083-2087.) (In Chinese)
27.	Zhongping Ji, Ligang Liu, Guojin Wang. A Novel Axial Deformation Algorithm without Local Self-intersection, Chinese Journal of Computers, 2006, 29(5), 828-834. (计忠平，刘利刚，王国瑾. 无局部自交的轴变形新方法，计算机学报，2006, 29(5): 828-834.) (In Chinese)
28.	Shaozhong Ren, Ligang Liu, Guojin Wang. Feature Preserving Shape Blending Based on Scaling Invariant Intrinsic Variables. Journal of Image and Graphics of China, Vol. 11 (Supplement), June 2006, 147-154. (任绍忠, 刘利刚, 王国瑾. 保特征形状过渡的伸缩内在量算法. 中国图像图形学报, 2006年6月, 增刊, 147-154.) (In Chinese)
29.	Weiguo Wang, Ligang Liu, Guojin Wang. Geometric Extension of Nonadjacent Cubic Bezier Curves. Journal of Computer-Aided Design & Computer Graphics, 2006, 18(12): 1911-1917. (王维国，刘利刚，王国瑾. 三次Bezier曲线间的几何延拓算法. 计算机辅助设计与图形学学报，2006, 18(12): 1911-1917.) (In Chinese)
30.	Hongkun Li, Guojin Wang and Ligang Liu. B-spline Expression of Integral Curvature Line on NURBS Surface. Journal of Computer-Aided Design & Computer Graphics, 2006, 18(3): 390-395. (李宏坤，王国瑾，刘利刚，NURBS曲面上积分曲率线的B样条表示，计算机辅助设计与图形学学报，2006, 18(3): 390-395.) (In Chinese)
31.	Ligang Liu and Guojin Wang. Optimal approximation to curve offset based on shifting control points. Journal of Software, 2002, 13(3), 398-403. (刘利刚, 王国瑾. 基于控制顶点偏移的等距曲线最优逼近. 软件学报, 2002, 13(3), 398-403.) (In Chinese)
32.	Huahao Shou, Ligang Liu and Guojin Wang. Offset approximation algorithm based on Liu Hui's circle subdivision method. Applied Mathematics: A Journal of Chinese Universities, 2002, 17(1), 105-112. (寿华好, 刘利刚, 王国瑾. 基于刘徽割圆术的等距线逼近算法. 高校应用数学学报, 2002, 17(1), 105-112.) (In Chinese)
33.	Ligang Liu, Guojin Wang and Huahao Shou. Approximation by interval Bezier surfaces. Journal of Computer-Aided Design & Computer Graphics, 2000, 12(9), 645-650. (刘利刚, 王国瑾, 寿华好. 区间Bézier曲面逼近. 计算机辅助设计与图形学学报, 2000, 12(9), 645-650.) (In Chinese)
34.	Ligang Liu and Guojin Wang. Shape blending between 3D triangular meshes based on their intrinsic variables, Chinese Journal of Computers, 1998, 21(9), 850-854. (刘利刚, 王国瑾. 基于内在变量的空间三角网格的形状混合. 计算机学报, 1998, 21(9), 850-854.) (In Chinese)
35.	Ligang Liu and Guojin Wang. Offset surface approximation algorithm based on the triangulation approximation to sphere, Journal of Engineering Graphics, 2000, 21(3), 70-74. (刘利刚, 王国瑾. 基于球面三角网格逼近的等距曲面逼近算法. 工程图学学报, 2000, 21(3), 70-74.) (In Chinese)

Students

In Progress
PhD 2003-	Zhongping Ji (co-supervised by Guojin Wang)
PhD 2004-	Zhonggui Chen (co-supervised by Guojin Wang)
PhD 2004-	Lei Zhang (co-supervised by Guojin Wang)
MSc 2005-	Dongmei Zhang
MSc 2006-	Min Meng
MSc 2006-	Woruo Li
MSc 2006-	Huipeng Deng
MSc 2006-	Hongxin Shi
MSc 2007-	Binbin Lin
MSc 2007-	Liang Jin
MSc 2007-	Chunxia Zhang
Graduated
MSc 2006	Shaozhong Ren (co-supervised by Guojin Wang)
MSc 2006	Weiguo Wang (co-supervised by Guojin Wang)
MSc 2007	Youyi Zheng

Invited Talk

l	Workshop on Computational Methods for Algebraic Spline Surfaces, Sep.10-14, 2007, Strobl, Austria

Awards

l	Microsoft Young Professorship Award, by Ministry of Education of China and Microsoft Research Asia, 2006

Patents

l	Ligang Liu, Zhongping Ji, Guojin Wang. A Sketching-based interactive 3D shape segmentation approach. On pending in China. (刘利刚，计忠平，王国瑾. 一种基于用户轻松交互的三维物体形状的分解方法，专利申请已受理.)
l	Baining Guo, Bo Zhang, Heung-Yeung Shum, Ligang Liu. Perceptually based approach for planar shape morphing. United States Patent 20060033759, 2006.5.
l	Xin Tong, Ligang Liu, Baining Guo, Heung-Yeung Shum. System and method for synthesis of bidirectional texture functions on arbitrary surfaces. United States Patent 20040096120, 2004.5.

Computer Software Copyrights (In China)

l	刘利刚，张 磊，王国瑾. 流形参数化软件V1.0. 计算机软件著作权，登记号：2007SR04065.
l	刘利刚，计忠平，王国瑾. 轻松形状分割软件V1.0. 计算机软件著作权，登记号：2007SR04066.
l	刘利刚，陈仁杰，董光昌.曲面纹理合成软件V1.0. 计算机软件著作权，登记号：2007SR13231.
l	刘利刚，陈中贵，王国瑾.曲面纹理贴图软件V1.0. 计算机软件著作权，登记号：2007SR15124.
l	刘利刚，计忠平，王国瑾.网格优化软件V1.0. 计算机软件著作权，登记号：2007SR15125.

Other Professional Activities

Organizing committee chairing
l	Geometric Modeling and Processing, Hangzhou, China, 2008
l	The 2nd China-Korea Joint Conference on Geometric and Visual Computing, Hangzhou, China, 2006
Program committee membership
l	Geometric Modeling and Processing 2008
l	Pacific Graphics 2007
l	The 3rd Korea-China Joint Conference on Geometric and Visual Computing 2007
l	Fourth Conference on Intelligent CAD and Digital Entertainment of China 2007
l	CAD/CG of China 2006
l	ACM Solid and Physical Modeling Symposium 2006
l	Geometric Modeling and Processing 2006
Attending academic conferences
l	Workshop on Polyhedral Surfaces and Industrial Applications, Sep.14-18, 2007, Strobl, Austria
l	Workshop on Computational Methods for Algebraic Spline Surfaces, Sep.10-14, 2007, Strobl, Austria
l	The 3rd Korea-China Joint Conference on Geometric and Visual Computing, Aug. 22-24, 2007, Seoul, Korea
l	SIGGRAPH 2007, Aug. 4-10, 2007, San Diego, USA
l	The 2nd Geometric Design and Computing of China, July. 15-22, 2007, Lanzhou and Duhuang, China
l	ACM Solid and Physical Modeling Symposium, June 4-6, 2007, Beijing, China
l	The 33rd Graphics Interface conference, May 28-30, 2007, Montreal, Canada
l	The 3rd Conference on Intelligent CAD and Digital Entertainment of China, Oct. 20-22, 2006, Jinan, China
l	The 14th Conference on CAD/CG of China, Oct. 18-20, 2006, Jinan, China Eurographics, Sep. 4-8, 2006, Vienna, Austria
l	The 2nd China-Korea Joint Conference on Geometric and Visual Computing, Aug. 23-25, 2006, Hangzhou, China
l	The 6th International Conference on Curves and Surfaces, Jun. 29-Jul. 5, 2006, Avignon, France
l	The 9th International Computer Aided Design and Computer Graphics Conference, Dec. 7-10, 2005, Hong Kong, China
l	The 13rd Pacific Conference on Computer Graphics and Application, Oct. 12-14, 2005, Macau, China
l	The 2nd Geometric Design and Computing of China, Apr. 16-21, 2005, Hefei, China
l	Geometry Modeling and Processing, 2000, Hongkong, China
Academic visit
l	Prof. Wenping Wang (The University of Hong Kong), Apr. 28-May.5, 2007
l	Prof. Deok-Soo Kim (Hanyang University, Seoul, Korea), Feb. 14-18, 2007
l	Prof. Yiyu Cai and Jianmin Zheng (Nanyang Technological University, Singapore), Feb. 6-11, 2007
l	Prof. Bert Juettler (Johannes Kepler University Linz, Austria), Jun.6-27, 2006
l	Prof. Chiew-Lan Tai (Hong Kong University of Science & Technology, Hong Kong), Jan.15-Feb. 15, 2005