Prof. Dr. Ligang Liu （刘利刚）

Graphics&Geometric Computing Laboratory
School of Mathematical Sciences
University of Science and Technology of China
Hefei 230026, China

Phone/Fax: +86-551-63600985
Email:  

通讯地址：安徽省合肥市金寨路96号中国科技大学数学学院
邮政编码：230026
办公室：中科大东区管理科研楼1217室

Short Bio Research Publications Professionals Teaching Resources
主要研究领域：计算机图形学和图像处理
诚招优秀人才：招收优秀教职人才（特任副研究员）    招收优秀博士后（点击进入）     招收优秀学生（点击进入）

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Short Biography [Top]

Ligang Liu is a professor of "Hundred Talents Program" of the Chinese Academy of Sciences (CAS) at the School of Mathematical Sciences, University of Science and Technology of China. He received his B.Sc. (1996) and his Ph.D. (2001) from Zhejiang University, China. Between 2001 and 2004, he worked at Microsoft Research Asia. Then he worked at Zhejiang University during 2004 and 2012. He paid an academic visit to SEAS at Harvard University during 2009 and 2011. He serves as the Conference Co-chair of GMP 2017 and the Conference Program Co-chairs of SPM 2014, SGP 2015, CVM 2016, CAD/Graphics 2017, and GMP 2018. He also serves as the associated editors for journals of IEEE Transactions on Visualization and Computer Graphics, IEEE Computer Graphics and Applications, Computer Graphics Forum, Computer Aided Geometric Design, Computers&Graphics, and The Visual Computer. 

My CV (download)
 
Research Interests [Top]

My research interest is computer graphics. More specifically:

  • Geometry modeling and processing
    • Surface reconstruction
    • Shape modeling and creation
    • Surface parameterization
    • Shape editing and morphing
  • Geometric optimization in 3D printing (Computational Fabrication)
    • Geometric modeling in 3D printing
    • Structure analysis and optimization
    • Applications using 3D printing
  • Compressed sensing and sparsity optimization in geometric processing
    • Sparse representation
    • Low rank
    • Applications in images and geometries
  • 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
 
Selected Publications (List of all publications)  [Top]

2018  2017  2016  2015  2014  2013  2012  2011  Earlier (before 2011)
Selected Publications (2019)
Steady 3D Dissection Puzzles. [Project page]

Keke Tang, Peng Song, Xiaofei Wang, Bailin Deng, Chi-Wing Fu, Ligang Liu.

Computer Graphics Forum (Proc. Eurographics), conditionally accepted, 2019.
Volume-Enhanced Compatible Remeshing of 3D Models. [Project page]

Yang Yang, Xiao-Ming Fu, Shuangming Chai, Shi-Wei Xiao, Ligang Liu.

IEEE Transactions on Visualization and Computer Graphics, to appear, 2019.
Static/Dynamic Filtering for Mesh Geometry. [Paper]

Juyong Zhang, Bailin Deng, Yang Hong, Yue Peng, Wenjie Qin, Ligang Liu.

IEEE Transactions on Visualization and Computer Graphics, to appear, 2019.
Multi-Normal Estimation via Pair Consistency Voting. [Project page]

Jie Zhang, Junjie Cao, Xiuping Liu, He Chen, Bo Li, Ligang Liu.

IEEE Transactions on Visualization and Computer Graphics, to appear, 2019.
Mesh Denoising Guided by Patch Normal Co-filtering via Kernel Low-rank Recovery. [Project page]

Mingqiang Wei, Jin Huang, Xingyu Xie, Ligang Liu, Jun Wang, Jing Qin.

IEEE Transactions on Visualization and Computer Graphics, to appear, 2019.
Designing deployable 3D scissor structures with ball-and-socket joints. [Paper]

Xuejin Chen, Haoming Jiang, Tingting Xuan, Lihan Huang and Ligang Liu.

Journal Computer Animation and Virtual Worlds (Proc. CASA), to appear, 2019.
   
Selected Publications (2018)
Object-aware Guidance for Autonomous Scene Reconstruction. [Project page]

Ligang Liu, Xi Xia, Han Sun, Qi Shen, Juzhan Xu, Bin Chen, Hui Huang, Kai Xu

ACM Transactions on Graphics (Proc. Siggraph), 37(4), Article 104: 1-12, 2018.
Progressive Parameterizations. [Project page]

Ligang Liu, Chunyang Ye, Ruiqi Ni, Xiao-Ming Fu

ACM Transactions on Graphics (Proc. Siggraph), 37(4), Article 41: 1-12, 2018.
Anderson Acceleration for Geometry Optimization and Physics Simulation. [Project page]

Yue Peng, Bailin Deng, Juyong Zhang, Fanyu Geng, Wenjie Qin, Ligang Liu

ACM Transactions on Graphics (Proc. Siggraph), 37(4), Article 42: 1-13, 2018.
3D Face Reconstruction With Geometry Details From a Single Image. [Project page]

Luo Jiang, Juyong Zhang, Bailin Deng, Hao Li, Ligang Liu.

IEEE Transactions on Image Processing, 27(10): 4756-4770, 2018.
MIQP-based Layout Design for Building Interiors. [Project page]

Wenming Wu, Lubin Fan, Ligang Liu, Peter Wonka

Computer Graphics Forum (Proc. Eurographics), 37(2), 511-521, 2018.
Advanced Hierarchical Spherical Parameterizations. [Project page]

Xin Hu, Xiao-Ming Fu, Ligang Liu.

IEEE Transactions on Visualization and Computer Graphics, 24(6): 1930-1941, 2018.
Support-Free Hollowing. [Project page]

Weiming Wang, Yongjin Liu, Jun Wu, Shengjing Tian, Charlie C.L. Wang, Ligang Liu, Xiuping Liu.

IEEE Transactions on Visualization and Computer Graphics, 24(10): 2787-2798, 2018.

Support-Free Hollowing for 3D Printing via Voronoi Diagram of Ellipses. [Paper]

Mokwon Lee, Qing Fang, Joonghyun Ryu, Ligang Liu, Deok-Soo Kim.

Computer-Aided Design, 101: 23-36, 2018.

Sphere-based Cut Construction for Planar Parameterizations. [Paper]

Shuangming Chai, Xiao-Ming Fu, Xin Hu, Yang Yang, Ligang Liu.

Computer&Graphics (Proc. SMI), 74: 66-75, 2018.

Propagated Mesh Normal Filtering. [Paper]

Bin Liu, Junjie Cao, Weiming Wang, Ning Ma, Bo Li, Ligang Liu, Xiuping Liu.

Computer&Graphics (Proc. SMI),  74: 119-125, 2018.

Stress-Oriented Structural Optimization for Frame Structures. [Paper]

Shuangming Chai, Baiyu Chen, Mengyu Ji, Zhouwang Yang, Manfred Lau, Xiao-Ming Fu, Ligang Liu.

Graphical Models (Proc. ICVRV), 97: 80-88, 2018.
Grasp planning via hand-object geometric fitting. [Paper, 5.2M] [Video (Youku)]

Peng Song, Zhongqi Fu, Ligang Liu.

The Visual Computer, 34(2): 257-270, 2018.
Mesh Denoising via Total Variation and Weighted Laplacian Regularizations. [Paper]

Saishang Zhong, Zhong Xie, Weina Wang, Zheng Liu and Ligang Liu.

Journal Computer Animation and Virtual Worlds (Proc. CASA), 29 (3-4):1-12, 2018.

Special Issue of Geometric Modeling and Processing (GMP 2018). [PDF]

David Bommes, John A. Evans, Ligang Liu (Guest Editors)

Computers Aided Geometric Design, April, 2018.

Selected Publications (2017)
Smooth Assembled Mappings for Large-Scale Real Walking. [Project page]

Zhichao Dong, Xiao-Ming Fu, Chi Zhang, Kang Wu, Ligang Liu

ACM Transactions on Graphics (Proc. Siggraph Asia), 36(6), Article 211: 1-13, 2017.
Computational Design of Wind-up Toys. [Project page]

Peng Song, Xiaofei Wang, Xiao Tang, Chi-Wing Fu, Hongfei Xu, Ligang Liu, Niloy J. Mitra 

ACM Transactions on Graphics (Proc. Siggraph Asia), 36(6), Article 238: 1-13, 2017.
Reconfigurable Interlocking Furniture. [Project page]

Peng Song, Chi-Wing Fu, Yueming Jin, Hongfei Xu, Ligang Liu, Pheng-Ann Heng, Daniel Cohen-Or

ACM Transactions on Graphics (Proc. Siggraph Asia), 36(6), Article 174: 1-14, 2017.
Rib-reinforced Shell Structure. [Project page]

Wei Li, Anzong Zheng, Lihua You, Xiaosong Yang, Jianjun Zhang, Ligang Liu.

Computers Graphics Forum (Proc. Pacific Graphics), 36(7): 15-27, 2017.
Self-supporting Frame Structures. [Paper, 3.5M]

Weiming Wang, Sicheng Qian, Liping Lin, Baojun Li, Baocai Yin, Ligang Liu, Xiuping Liu.

Computers & Graphics (Proc. SMI), 66, 154-161, 2017.
Cross Section based Hollowing and Structural Enhancement. [Paper, 2.7M]

Weiming Wang, Baojun Li, Sicheng Qian, Yongjin Liu, Charlie C.L. Wang, Ligang Liu, Baocai Yin, Xiuping Liu.

The Visual Computer (Proc. CGI), 33 (6-8), 949-960, 2017.
Feature Matching using Quasi-conformal Maps. [Paper]

Chunxue Wang, Ligang Liu.

Frontiers of Information Technology & Electronic Engineering, 18(5): 644-657, 2017.

Special Issue of CAD/Graphics Conference 2017. [DOI]

Dinesh Manoch, Ligang Liu, Kai Xu (Guest Editors)

Computers & Graphics, December, 2017.

   
Selected Publications (2016)
FrameFab: Robotic Fabrication of Frame Shapes. [Project page]

Yijiang Huang, Juyong Zhang, Xien Hu, Guoxian Song, Zhongyuan Liu, Lei Yu, Ligang Liu.

ACM Transactions on Graphics (Proc. Siggraph Asia), 35(6), Article 224: 1-11 2016.
Highly Informed Robotic 3D Printed Polygon Mesh - A Novel Strategy of 3D Spatial Printing. [Paper, 1.7M]

Lei Yu, Yijiang Huang, Zhongyuan Liu, Sai Xiao, Ligang Liu, Guoxian Song, Yanxin Wang.

Conference of The Association for Computer Aided Design in Architecture (ACADIA), 2016.
CofiFab: Coarse-to-Fine Fabrication of Large 3D Objects. [Project page]

Peng Song, Bailin Deng, Ziqi Wang, Zhichao Dong, Wei Li, Chi-Wing Fu, Ligang Liu.

ACM Transactions on Graphics (Proc. Siggraph), 35(4), Article 45: 1-11, 2016.
Construction of Manifolds via Compatible Sparse Representations. [Project page]

Ruimin Wang, Ligang Liu, Zhouwang Yang, Kang Wang, Wen Shan, Jiansong Deng, Falai Chen.

ACM Transactions on Graphics, 35(2), Article 14: 1-10, 2016.

Designing Planar Deployable Objects via Scissor Structures. [Project page]

Ran Zhang, Shiwei Wang, Xuejin Chen, Chao Ding, Luo Jiang, Jie Zhou, Ligang Liu.

IEEE Transactions on Visualization and Computer Graphics, 22(2): 1051-1062, 2016.
Unsupervised 3D Shape Segmentation and Co-segmentation via Deep Learning. [Paper, 3.2M]

Zhenyu Shu, Chengwu Qi, Shiqing Xin, Chao Hu, Li Wang, Yu Zhang, Ligang Liu.

Computer Aided Geometric Design (Proc. GMP), 43: 39-52, 2016.
Bijective Spherical Parametrization with Low Distortion. [Paper, 4.8M]

Chunxue Wang, Xin Hu, Xiaoming Fu, Ligang Liu.

Computers&Graphics (Proc. SMI), 58: 161-171, 2016.
Surface Approximation via Sparse Representation and Parameterization Optimization. [Paper, 0.8M]

Linlin Xu, Ruimin Wang, Zhouwang Yang, Jiansong Deng, Falai Chen, Ligang Liu.

Computer-Aided Design (Proc. SPM), 78: 179-187, 2016.
3D Model Classification via Principal Thickness Images. [Paper, 0.7M]

Zhenyu Shu, Shiqing Xin, Huixia Xu, Ladislav Kavan, Pengfei Wang, Ligang Liu.

Computer-Aided Design (Proc. SPM), 78: 199-208, 2016.
Shape context based mesh saliency detection and its applications: a survey. [Paper, 1.1M]

Xianyong Liu, Ligang Liu, Weijie Song, Yanping Liu, Lizhuang Ma.

Computers and Graphics, 57: 12-30, 2016.
Upright Orientation of 3D Shapes with Convolutional Networks. [PDF, 5.0M] [Code]

Zishun Liu, Juyong Zhang, Ligang Liu.

Graphical Models, 85: 22-29, 2016.
Skeleton-Sectional Structural Analysis for 3D Printing. [PDF, 1.9M]

Wenpeng Xu, Wei Li, Ligang Liu.

Journal of Computer Science and Technology (Proc. CVM), 31(3): 439-449, 2016.
Global Stiffness Structural Optimization for 3D Printing under Unknown Loads. [PDF, 1.5M]

Tuanfeng Y. Wang, Yuan Liu, Xuefeng Liu, Zhouwang Yang, Dongming Yan, Ligang Liu.

Journal of Computer Graphics Techniques, 5(3): 18-38, 2016.

Special Issue of Computational Visual Media Conference 2016. [PDF, 0.6M]

Yukun Lai and Ligang Liu (Guest Editors)

Graphical Models, Volume 85, 2016.

Special Issue of Computational Visual Media Conference 2016. [PDF, 0.6M]

Ligang Liu and Ralph R. Martin (Guest Editors)

Journal of Computer Science and Technology, Volume 31, Number 3, 2016.

   
Selected Publications (2015)
Interaction Context (ICON): Towards a Geometric Functionality Descriptor. [Project page]

Ruizhen Hu, Chenyang Zhu, Oliver van Kaick, Ligang Liu, Ariel Shamir, Hao Zhang.

ACM Transactions on Graphics (Proc. Siggraph), 34(4): article 83: 1-12, 2015.

Fast Wavefront Propagation (FWP) for Computing Exact Discrete Geodesics on Meshes. [Paper, 1.4M]

Chun-Xu Xu, Tuanfeng Y. Wang, Yong-Jin Liu, Ligang Liu, Ying He.

IEEE Transactions on Visualization and Computer Graphics, 21(7): 822-834, 2015.

Bi-normal Filtering for Mesh Denoising. [Paper, 7.6M]

Mingqiang Wei, Jinze Yu, Wai-Man Pang, Jun Wang, Jing Qin, Ligang Liu, Pheng-Ann Heng.

IEEE Transactions on Visualization and Computer Graphics, 21(1): 43-55, 2015.
Projective Feature Learning for 3D Shapes with Multi-View Depth Images. [Project page]

Zhige Xie, Kai Xu, Wen Shan, Ligang Liu, Yueshan Xiong, Hui Huang.

Computer Graphics Forum (Proc. Pacific Graphics), 34(7): 1-11, 2015.
Guided Mesh Normal Filtering. [Project page]

Wangyu Zhang, Bailin Deng, Juyong Zhang, Sofien Bouaziz, Ligang Liu.

Computer Graphics Forum (Proc. Pacific Graphics), 34(7): 23–34, 2015.
Quality Point Cloud Normal Estimation by Guided Least Squares Representation. [Paper, 1.0M]

Xiuping Liu, Jie Zhang, Junjie Cao, Bo Li, Ligang Liu.

Computers & Graphics (Proc. SMI), 51: 106–116, 2015.
Printing 3D Objects with Interlocking Parts. [Project page][Video][ScienceDirect]

Peng Song, Zhongqi Fu, Ligang Liu, Chi-Wing Fu.

Computer-Aided Geometric Design (Proc. GMP), 35-36: 137-148, 2015.
Saliency-Preserving Slicing Optimization for Effective 3D Printing. [Project page]

Weiming Wang, Haiyuan Chao, Jing Tong, Zhouwang Yang, Xin Tong, Hang Li, Xiuping Liu, Ligang Liu.

Computer Graphics Forum, 34(6): 148–160, 2015.

Survey on Sparsity in Geometry Modeling and Processing. [Paper, 4.7M]

Linlin Xu, Ruimin Wang, Juyong Zhang, Zhouwang Yang, Jiansong Deng, Falai Chen, Ligang Liu.

Graphical Models, 82, 160-180, 2015.
Boundary-dominant Flower Blooming Simulation. [Paper, 1.9M]

Jianfang Li, Min Liu, Weiwei Xu, Haiyi Liang, Ligang Liu.

Computer Animation and Virtual Worlds (Proc. CASA, Second Best Paper Award), 26(3-4): 433-443, 2015.
An Efficient Volumetric Method for Non-rigid Registration. [Paper, 2.0M]

Ran Zhang, Xuejin Chen, Takaaki Shiratori, Xin Tong, Ligang Liu.

Graphical Models, 79: 1-11, 2015.

Mesh saliency via ranking unsalient patches in a descriptor space. [Paper, 3.7M]

Pingping Tao, Junjie Cao, Shuhua Li, Xiuping Liu, Ligang Liu.

Computers & Graphics (Proc. SMI 2014), 46: 264-274, 2015.

Special Issue of Eurographics Symposium on Geometry Processing 2015. [PDF, 0.4M]

Mirela Ben-Chen and Ligang Liu (Guest Editors)

Computer Graphics Forum, Volume 34, Number 5, 2015.

Selected Publications (2014)
3D Printing Oriented Design: Geometry and Optimization. [Project page]

Ligang Liu, Charlie Wang, Ariel Shamir, Emiy Whiting.

Siggraph Asia Course 031, 2014.
Robust Surface Reconstruction via Dictionary Learning. [Project page]

Shiyao Xiong, Juyong Zhang, Jianmin Zheng, Jianfei Cai, Ligang Liu.

ACM Transactions on Graphics (Proc. Siggraph Asia), 33(6), Article 1: 1-12, 2014.

Local Barycentric Coordinates. [Project page]

Juyong Zhang, Balin Deng, Zishun Liu, Giuseppe Patane, Sofien Bouaziz, Kai Hormann, Ligang Liu.

ACM Transactions on Graphics (Proc. Siggraph Asia), 33(6), Article 1: 1-12, 2014.
Structure Completion for Facade Layouts. [Project page]

Lubin Fan, Przemyslaw Musialski, Ligang Liu, Peter Wonka.

ACM Transactions on Graphics (Proc. Siggraph Asia), 33(6), Article 1: 1-10, 2014.
Decoupling Noises and Features via Weighted L1-analysis Compressed Sensing. [Project page]

Ruimin Wang, Zhouwang Yang, Ligang Liu, Jiansong Deng, Falai Chen.

ACM Transactions on Graphics, 33(2), Article 18: 1-12, 2014.
Revisiting Optimal Delaunay Triangulation for 3D Graded Mesh Generation. [Paper, 2.6M]

Zhonggui Chen, Wenping Wang, Bruno Levy, Ligang Liu, Feng Sun.

SIAM Journal on Scientific Computing, 36(3): A930-A954, 2014.

3D Shape Segmentation and Labeling via Extreme Learning Machine. [Paper, 3.4M]

Zhige Xie, Kai Xu, Ligang Liu, Yueshan Xiong.

Computer Graphics Forum (Proc. SGP), 33(5): 85-95, 2014.

Globally Consistent Rigid Registration. [Paper, 3.7M]

Yuan Liu, Wen Zhou, Zhouwang Yang, Ligang Liu, Jiansong Deng.

Graphical Models (Proc. GMP), 76(5): 542-553, 2014.

As-Rigid-As-Possible Spherical Parameterization. [Paper, 4.2M]

Chunxue Wang, Zheng Liu, Ligang Liu.

Graphical Models (Proc. GMP), 76(5): 457-467, 2014.

Grey Conversion via Perceived-Contrast. [PDF, 2.5M]

Wei Zhu, Ruizhen Hu, Ligang Liu.

The Visual Computer, 30(3):299-309, 2014.

Shape Recognition of CAD Models via Iterative Slippage Analysis. [Paper, 3.3M]

Bing Yi, Zhenyu Liu, Jianrong Tan, Fengbei Cheng, Guifang Duan, Ligang Liu.

Computer-Aided Design, 55(1): 13-25, 2014.

Confidence-Driven Image Co-matting. [Paper, 9.7M]

Linbo Wang, Tianchen Xia, Yanwen Guo, Ligang Liu, Jue Wang.

Computers & Graphics (Proc. CAD/Graphics 2013, Best Paper Honorable Mention), 38(2): 131-139, 2014.

Scale-Aware Shape Manipulation. [Paper, 4.4M]

Zheng Liu, Weiming Wang, Xiuping Liu, Ligang Liu.

Journal of Zhejiang University Science C (Computers & Electronics), 15(9): 764-775, 2014.

Upright Orientation of 3D shapes via Tensor Rank Minimization. [Paper, 5.7M]

Weiming Wang, Xiuping Liu, Ligang Liu.

Journal of Mechanical Science and Technology, 28(7): 2469-2477, 2014.

Parametric Curves with Implicit Domain. [Paper, 1.5M]

Weihong Zhang, Jiansong Deng, Zhouwang Yang, Ligang Liu.

SCIENCE CHINA Mathematics, 57(12): 2621–2634, 2014.

Special Issue of Symposium on Solid and Physical Modeling 2014. [PDF, 0.4M]

Kai Hormann and Ligang Liu (Guest Editors)

Computer-Aided Design, Volume 58, January 2015.

Selected Publications (2013)
Cost-effective Printing of 3D Objects with Skin-Frame Structures. [Project page] [中文介绍]

Weiming Wang, Tuanfeng Y. Wang, Zhouwang Yang, Ligang Liu, Xin Tong, Weihua Tong, Jiansong Deng, Falai Chen, Xiuping Liu.

ACM Transactions on Graphics (Proc. SIGGRAPH Asia), 32(5), Article 177: 1-10, 2013.
Semantic Decomposition and Reconstruction of Residential Scenes from LiDAR Data. [Project page]

Hui Lin, Jizhou Gao, Yu Zhou, Guiliang Lu, Mao Ye, Chenxi Zhang, Ligang Liu, Ruigang Yang.

ACM Transactions on Graphics (Proc. SIGGRAPH), 32(4), Article 66: 1-10, 2013.
Consolidation of Low-quality Point Clouds from Outdoor Scenes. [PDF, 1.6M]

Jun Wang, Kai Xu, Ligang Liu, Junjie Cao, Shengjun Liu, Zeyun Yu, Xianfeng Gu.

Computer Graphics Forum (Proc. SGP), 32(5): 207-216, 2013.

Modeling by Drawing with Shadow Guidance. [Project page]

Lubin Fan, Ruimin Wang, Linlin Xu, Jiansong Deng, Ligang Liu.

Computer Graphics Forum (Proc. Pacific Graphics), 32(7): 157-166, 2013.

A Video-based Interface for Hand-Driven Stop Motion Animation Production. [Project page]

Xiaoguang Han, Hongbo Fu, Hanlin Zheng, Ligang Liu, Jue Wang.

IEEE Computer Graphics and Applications, 33(6): 70-81, 2013.

Garment Personalization via Identity Transfer. [Project page]

Roy Shilkrot, Daniel Cohen-Or, Ariel Shamir, Ligang Liu.

IEEE Computer Graphics and Applications, 33(4): 62-72, 2013.

On Affine Rigidity. [Paper, 0.6M]

Steven J. Gortler, Craig Gotsman, Ligang Liu, Dylan P. Thurston.

Journal of Computational Geometry, 4(1): 160-181, 2013.

Discretizing Laplace-Beltrami Operator from Differential Quantities. [Paper, 6.2M]

RuiminWang, Zhouwang Yang, Ligang Liu, Qing Chen.

Communications in Mathematics and Statistics, 1(3): 331-350, 2013.

Shape matching and retrieval based on multiple feature descriptors. [PDF, 0.5M]

Weiming Wang, Xiuping Liu, Ligang Liu.

Computer Aided Drafting, Design and Manufacturing, 23(1): 71-78, 2013.

Geometry Curves: A Compact Representation for 3D Shapes. [Project page]

Guo Li, Ligang Liu.

Graphical Models, 75(5): 265-278, 2013.

Mesh Saliency with Global Rarity. [Project page]

Jinliang Wu, Xiaoyong Shen, Wei Zhu, Ligang Liu.

Graphical Models, 75(5): 255-264, 2013.

Mona Lisa alive: Create Self-moving Objects using Hollow-face Illusion. [Project page]

Jing Tong, Ligang Liu, Jin Zhou, Zhigeng Pan.

The Visual Computer (Proc. CGI), 29(6-8): 535-544, 2013.

Selected Publications (2012)
Multi-Scale Partial Intrinsic Symmetry Detection. [Project page]

Kai Xu, Hao Zhang, Wei Jiang, Ramsay Dyer, Zhi-Quan Cheng, Ligang Liu, Baoquan Chen.

ACM Transactions on Graphics (Proc. SIGGRAPH Asia), 31(6), Article 181: 1-12, 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. [Project page]

Zhonggui Chen, Zhan Yuan, Yi-King Choi, Ligang Liu, Wenping Wang.

IEEE Transactions on Visualization and Computer Graphics, 18(10): 1784-1796, 2012.

Co-Segmentation of 3D Shapes via Subspace Clustering. [Project page]

Ruizhen Hu, Lubin Fan, Ligang Liu.

Computer Graphics Forum (Proc. Symposium on Geometry Processing), 31(5): 1703-1713, 2012.
Unsupervised Upright Orientation of Man-Made Models. [PDF, 2.0M]

Yong Jin, Qingbiao Wu, Ligang Liu.

Graphical Models (Proc. GMP), 74(4): 99-108, 2012.

Detail-Replicating Shape Stretching. [PDF, 1.9M] [Demo at Youtube]

Ibraheem Alhashim, Hao Zhang, Ligang Liu.

The Visual Computer,28(12): 1153-1166, 2012.
Blue noise sampling on Surfaces. [PDF, 1.7M]

Yin Xu, Ruizhen Hu, Craig Gotsman, Ligang Liu.

Computers&Graphics, 36(4), 232-240, 2012.
Sketch-based Mesh Cutting: A Comparative Study. [Project page]

Lubin Fan, Min Meng, Ligang Liu.

Graphical Models, 74(6): 292-301, 2012.

Interactive Two-Scale Color-to-gray. [PDF, 1.5M]

Jinliang Wu, Xiaoyong Shen, Ligang Liu.

The Visual Computer (Proc. Computer Graphics International),  28(6-8), 723-731, 2012.
Aesthetic photo composition by optimal crop-and-warp.  [PDF, 2.5M]

Yong Jin, Qingbiao Wu, Ligang Liu.

Computers&Graphics, 36(8): 955-965, 2012.

Curve intersection using hybrid clipping. [PDF, 0.9M]

Qi Lou, Ligang Liu.

Computers&Graphics (Proc. Solid Modeling International), 36(5): 309–320, 2012.
Selected Publications (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.

Selected Publications (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.

ACM 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.

Selected Publications (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.

Selected Publications (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.

 
Professionals [Top]
  • Professional Services
    • Editor Board of Academic Journals
      • IEEE Transactions on Visualization and Computer Graphics (IEEE TVCG), Associate Editor, 2016-
      • Computer Graphics Forum (CGF), Associate Editor, 2016-
      • Computer Aided Geometric Design (CAGD), Associate Editor, 2016-
      • Computers & Graphics (C&G), Associate Editor, 2018-
      • IEEE Computer Graphics & Applications (IEEE CG&A), Associate Editor, 2016-
      • The Visual Computer (TVC), Associate Editor, 2016-
      • Computer-Aided Drafting, Design and Manufacturing (CADDM), Associate Editor, 2012-
      • 软件学报，责任编委，2015-
    • Conference Organization
    • Conference Co-chair and Conference Program co-chair
      • Conference Co-chair of GMP 2017
      • Eurographics Workshops (EG 2019), May 6-10, 2019, Genova, Italy.
      • SIAM Conference on Geometric Design (SIAM GD 2019), June 17-19, 2019, Vancouver, Canada.
      • Geometric Modeling and Processing 2018 (GMP 2018), April 9-11, 2018, Aachen, Germany.
      • The 15th International Conference on Computer-Aided Design and Computer Graphics (CAD/Graphics 2017)
      • The Computational Visual Media Conference (CVM 2016)
      • Asian Conference on Design and Digital Engineering (ACDDE 2016)
      • Eurographics Symposium on Geometry Processing (SGP 2015)
      • ACM Symposium on Solid and Physical Modeling (SPM 2014)
      • Graphics conference of China (Chinagraph 2014)
      • Geometric Computing Workshop of the First Asian Conference on Design and Digital Engineering (ACDDE 2010)
      • The 4th CSIAM Geometric Design and Computing of China (GDC 2009)
      • The 5th CSIAM Geometric Design and Computing of China (GDC 2011)
    • Program Committee Member
  • Tutorial/Course and Invited Talks at Conferences
    • “Fabrication aware geometric design and optimization”，Keynote talk, Asian Conference on Design and Digital Engineering , Nov. 1-3, 2018, Okinawa, Japan (ACDDE2018)
    • “机器人自主三维场景扫描与重建”，特邀学者报告，第十三届数字娱乐与艺术大会暨机器人与服务智能论坛，2018年8月20-21日，大连(DEA 2018)
    • “面向性能的几何造型与设计”，特邀报告，全国计算机辅助设计与图形学大会，2017年10月11-14日，天津 (ChinaCAD&CG 2017)
    • “三维几何数据的稀疏学习和深度学习”，会前课程，全国计算机辅助设计与图形学大会，2017年10月11-14日，天津 (ChinaCAD&CG 2017)
    • “3D打印中的几何与计算问题”，特邀报告，全国计算机数学学术会议，2015年10月30日-11月2日，合肥 (CM 2015)
    • "3D printing oriented design: geometry and optimization", Siggraph Asia course, Dec. 5, 2014.
    • "Computer graphics in 3D printing: opportunities and challenges", invited talk, "Advances in Computer Graphics" of the CCF Advanced Disciplines Lectures, Aug. 26-28, 2013, Beijing, China (CCFADL41).
    • "Knowledge-based Geometric Modeling", invited talk, the 6th CSIAM Geometric Design and Computing of China, July 19-21, 2013, Dalian, China (GDC 2013)
    • "3D Printing and Geometry Processing in 3D Printing", tutorial, the 6th CSIAM Geometric Design and Computing of China, July 19-21, 2013, Dalian, China (GDC 2013)
    • "Digital Geometry Processing", tutorial, the 5th CSIAM Geometric Design and Computing of China, Nov. 10-13, 2011, Guangzhou, China (GDC 2011)
    • "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)
  • Attending Academic Conferences
    • 第二届全国几何设计与计算学术会议，安徽合肥，2005年4月16日-21日 (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)
    • 第三届全国几何设计与计算学术会议，甘肃兰州，2007年7月15日-22日 (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)
    • International Workshop on City Modeling, Simulation, and Visualization at SIAT (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)
    • 第五届全国几何设计与计算学术会议，广东广州，2011年11月12日-14日 (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)
    • Geometric Modeling and Processing, June 18-22, 2012, Huangshan, China. (GMP 2012)
    • Pacific Graphics, Sep. 11-14, 2012, Hong Kong, China (PG 2012)
    • 第六届全国几何设计与计算学术会议，辽宁大连，2013年7月19日-21日 (GDC 2013)
    • "Advances in Computer Graphics" of the CCF Advanced Disciplines Lectures, Aug. 26-28, 2013, Beijing, China (CCFADL41, 2013)
    • International Workshop on Computer Graphics and Interactive Techniques at SIAT, Nov. 18, 2013, Shenzhen, China
    • The 6th ACM Siggraph Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia, Nov. 19-22, 2013, Hong Kong, China (SIGGRAPH Asia 2013)
    • The 9th Dagstuhl Workshop on Geometric Modeling, May 25-30, 2014, Dagstuhl, Germany (Dagstuhl 2014)
    • Computer Graphics Workshop of Taiwan, July 10-11, 2014, Taipei (CGW 2014)
    • The 41th International Conference and Exhibition on Computer Graphics and Interactive Techniques, Aug. 10-14, 2014, Vancouver, Canada (SIGGRAPH 2014)
    • 第七届全国几何设计与计算学术会议，江西吉安，2014年8月22日-24日 (GDC 2014)
    • Chinagraph, Oct. 17-19, 2014, Wuhan, China (Chinagraph 2014)
    • Symposium on Solid and Physical Modeling, Oct. 26-28, 2014, Hong Kong, China (SPM 2014)
    • Shape Modeling International, Oct. 28-30, 2014, Hong Kong, China (SMI 2014)
    • The 7th ACM Siggraph Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia, Dec. 3-6, 2014, Shenzhen, China (SIGGRAPH Asia 2014)
    • Symposium on Geometry Processing, July 6-8, 2015, Graz, Austria (SGP 2015)
    • International Workshop on Geometry, Schloss Seggau (Seggau castle), July 10-12, Seggau, Austria (Seggau 2015)
    • 第八届全国几何设计与计算学术会议，浙江杭州，2015年8月22日-24日 (GDC 2015)
    • International Conference on CAD/Graphics, Aug. 25-27, 2015, Xi'an, China (CAD/Graphics 2015)
    • Pacific Graphics, Oct. 7-9, 2015, Beijing, China (PG 2015)
    • Conference of Computational Visual Media Conference, April 5-8, Cardiff, UK (CVM 2016)
    • 第九届全国几何设计与计算学术会议，安徽合肥，2016年7月15日-17日 (GDC 2016)
    • The 43th International Conference and Exhibition on Computer Graphics and Interactive Techniques, July 22-28, 2016, Anaheim, USA (SIGGRAPH 2016)
    • IEEE TVCG Workshop on New Advances in Computer Graphics and Visualization, Sep. 22, 2016, Beijing, China
    • China-Israel Bilateral Workshop on Visual Computing and Machine Learning, Oct. 15-16, 2016, Kunming, China
    • 中国计算机大会，2016年10月20-22日，中国太原(CNCC 2016)
    • The 7th Asian Conference on Design and Digital Engineering, Oct. 25-27, 2016, Jeju, Korea (ACDDE 2016)
    • 中国计算机辅助设计与图形学大会，2016年11月4-6日，中国杭州 (Chinagraph 2016)
    • The 10th Dagstuhl Workshop on Geometric Modeling, May 28-June 2, 2017, Dagstuhl, Germany (Dagstuhl 2017)
    • 人机交互HHME2017会议，2017年7月24-25日，山东青岛
    • GDC 2017，2017年8月11-13日，山东烟台
    • CAD/Graphics 2017，2017年8月23-25日，湖南张家界
    • 全国计算机辅助设计与图形学大会，2017年10月11-14日，天津  (ChinaCAD&CG 2017)
    • 中国工业与应用数学学会第十五届年会主题研讨会，2017年10月12-15日，山东青岛
    • ChinaVR 2017，2017年10月21-22日，河南郑州
    • 软体机器人理论与技术国际研讨会，2017年12月16-18日，中国上海
    • GMP 2018，2018年4月9-11日，Aachen, Germany
    • 第十三届数字娱乐与艺术大会暨机器人与服务智能论坛，2018年8月20-21日，大连 (DEA 2018)
  • Academic Visit
 
Teaching [Top]
 
Resources [Top]

  • Resources for students

  • 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!

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

Copyright © Ligang Liu