Yang Liu (刘洋)

Lead Researcher


Internet Graphics Group
Microsoft Research Asia
13130, Microsoft Tower 2,
No. 5 Dan Ling Street,
Haidian District
Beijing, P.R. China, 100080

Tel: +86-10-5917-4269

Email: yangliu at microsoft.com

[Google Scholar]

Education and Work Experience

Research Interest

  • Geometric Computation and Optimization
  • Computer Aided Geometric Design
  • Architectural Geometry
  • Computational Algebraic Geometry

Professional Activities

  • Program Committee: Siggraph Asia 2014, SGP 2014/2015/2016, Pacific Graphics 2013/2014/2015/2016, Geometric Modeling and Processing 2014/ 2015/2016/2017, Advances in Architectural Geometry 2014/2016, CAD/Graphics 2013/2015
  • Paper Reviewer: Siggraph, Siggraph Asia, Eurographics, SGP, PG, GMP, GI, VR, CAD/Graphics, IEEE Vis, CVM, TOG, TVCG, CAD, CAGD, IEEE CGA, J. Symbolic Computation, Visual Computer, Computers and Graphics, Graphics Models, Signal Processing: Image Communication, Journal of Computer Science and Technology, JCAD.


  • HLBFGS: A hybrid L-BFGS optimization framework which unifies L-BFGS method, Preconditioned L-BFGS method, Preconditioned Conjugate Gradient method. (Source code in C++).
  • QCVT: Fast 3D Centroidal Voronoi Tessellation for a convex domain. ( Windows executable files only)
  • 3D Voronoi Tessellation and Restricted Voronoi Diagram. Source code is available in the supplemental material of LpCVT paper.

Gallery and Models


Intern students

  • Shi-Lin Liu (PhD Candidate, from USTC, 2014.7--2015.5, 2016.7--now)
  • Peng-Shuai Wang (PhD candidate, from TSinghua, 2014.2--now)

  • Dr. Xiao-Ming Fu (from USTC, 2012.9--2016.6), now assistant researcher at USTC.
  • Chang-Jian Li (PhD Cadidate, from HKU, 2016.2--2016.7)
  • Chong-Yang Bai (Undergraduate, from USTC, 2015.9--2016.6)
  • Dr. Caigui Jiang (from KAUST, 2015.6--2015.8), now PostDoc at MPI.
  • Dr. Shuo Jin (from CUHK, 2014.8--2015.1), Now PostDoc at LORIA/INRIA.
  • Shuang-Ming Chai (Undergraduate, from USTC, 2013.7--2014.5), now PhD candidate at USTC.
  • Dr. Mario Deuss (EPFL, 2013.6--2013.9)
  • Dr. Pan Hao (from HKU, 2012.9--2013.1), now associate researcher at MSRA.
  • Dr. Yufei Li (from HKU, 2011.9--2012.2), now at Merrill Lynch.
  • Dr. Jun Wang(from USTC, 2010.7--2011.1), now senior research enginner at BaiDu.

Publications and Manuscripts

Xiao-Ming Fu, Chong-Yang Bai and Yang Liu: Efficient Volumetric PolyCube-Map Construction, Computer Graphics Forum (Pacific Graphics) 35(7), 2016. Project page
Xiao-Ming Fu and Yang Liu: Computing Inversion-Free Mappings by Simplex Assembly, ACM Transactions on Graphics(SIGGRAPH Asia), 35(6), 2016. Project page
Peng-Shuai Wang, Yang Liu and Xin Tong: Mesh Denoising via Cascaded Normal Regression, ACM Transactions on Graphics(SIGGRAPH Asia), 35(6), 2016.
Pengbo Bo, Yang Liu, Changhe Tu, Caiming Zhang and Wenping Wang: Surface Fitting with Cyclide Splines, Geometric Modeling and Processing - GMP 2016, Computer Aided Geometric Design, 43(1), 2--15. [DOI]
Peng-Shuai Wang, Xiao-Ming Fu, Yang Liu, Xin Tong, Shi-Lin Liu and Baining Guo: Rolling Guidance Normal Filter for Geometric Processing, ACM Transactions on Graphics(SIGGRAPH Asia), 34(6), 2015. Data, slides. [ DOI]
Xiao-Ming Fu, Yang Liu and Baining Guo: Computing Locally Injective Mappings by Advanced MIPS, ACM Transactions on Graphics(SIGGRAPH) 34(4), 2015. Data. [ DOI]
Pan Hao, Yang Liu, Alla Sheffer, Nicholas Vining, Chang-Jian Li and Wenping Wang: Flow Aligned Surfacing of Curve Networks, ACM Transactions on Graphics(SIGGRAPH) 34(4), 2015. data, Project page. [DOI]
Yufei Li, Yang Liu and Wenping Wang: Planar Hexagonal Meshing for Architecture, IEEE Transactions on Visualization & Computer Graphics, 95-106, 2015. IEEE TVCG spotlight article for Jan. 2015. Appendix. [DOI]
Xiao-Ming Fu, Yang Liu, John Snyder and Baining Guo: Anisotropic Simplicial Meshing Using Local Convex Functions, ACM Transactions on Graphics(SIGGRAPH Asia) 33(6), 2014. [DOI], Anisotropic Mesh results, slides.
Mario Deuss, Daniele Panozzo, Emily Whiting, Yang Liu, Philippe Block, Olga Sorkine-Hornung and Mark Pauly: Assembling Self-Supporting Structures, ACM Transactions on Graphics(SIGGRAPH Asia) 33(6), 2014. [DOI], Video and data. Project page.
Lei Liu, Yongjie Zhang, Yang Liu and Wenping Wang: Feature-Preserving T-mesh Construction Using Skeleton-based Polycubes, Computer Aided Design (SPM 2014), 162-172. [DOI]
Shixia Liu, Yingcai Wu, Enxun Wei, Mengchen Liu and Yang Liu: StoryFlow: Tracking the Evolution of Stories, IEEE InfoVis 2013, IEEE Transactions on Visualization & Computer Graphics 19(12), 2436-2445, 2013. Project page [DOI]
Yupeng Zhang, Teng Han, Zhimin Ren, Nobuyuki Umetani, Xin Tong, Yang Liu, Takaaki Shiratori and Xiang Cao: BodyAvatar: Creating Freeform 3D Avatars using First-Person Body Gestures, UIST 2013, 387-396. Project page(Demo). [DOI]
Yang Liu, Pan Hao, John Snyder, Wenping Wang and Baining Guo: Computing Self-Supporting Surfaces by Regular Triangulation, ACM Transactions on Graphics(SIGGRAPH) 32(4), 2013. Supplemental material, slides. [DOI]
Yufei Li, Yang Liu, Weiwei Xu, Wenping Wang and Baining Guo: All-Hex Meshing using Singularity-Restricted Field, ACM Transactions on Graphics(SIGGRAPH Asia) 31(6), 177:1-177:11, 2012. Supplemental material (videos and data), slides. [DOI]
Lifeng Zhu, Weiwei Xu, John Snyder, Yang Liu, Guoping Wang and Baining Guo: Motion-Guided Mechanical Toy Modeling, ACM Transactions on Graphics(SIGGRAPH Asia) 31(6), 127:1-127:10, 2012. Supplemental material. [DOI]
Dong-Ming Yan, Wenping Wang, Yang Liu and Zhouwang Yang: Variational Mesh Segmentation via Quadric Surface Fitting, Computer-Aided Design, 44(11), 1072-1082, 2012. [DOI]
Hao Pan, Yi-King Choi, Yang Liu, Wenchao Hu, Qiang Du, Konrad Polthier, Caiming Zhang, Wenping Wang: Robust Modeling of Constant Mean Curvature Surfaces, ACM Transactions on Graphics(SIGGRAPH) 31(4), 85:1-85:11, 2012. [Supplemental material, slides. [DOI]
Wenni Zheng, Pengbo Bo, Yang Liu, Wenping Wang: Fast B-spline Curve Fitting by L-BFGS, Geometric Modeling and Processing - GMP 2012, Computer Aided Geometric Design, 29(7), 448-462, 2012. [DOI]
Feng Sun, Yi-King Choi, Wenping Wang, Dong-Ming Yan, Yang Liu, Bruno Lévy: Obtuse Triangle Suppression in Anisotropic Meshes, Computer Aided Geometric Design, 28(9), 537-548, 2011.[DOI]
Yang Liu, Weiwei Xu, Jun Wang, Lifeng Zhu, Baining Guo, Falai Chen, Guoping Wang : General Planar Quadrilateral Mesh Design Using Conjugate Direction Field, ACM Transactions on Graphics(SIGGRAPH Asia), 30(6), 140:1-140:10, 2011. [Errata: a term in Eqn.4 is missing in the published version, please check the correct version .][DOI]. Supplemental material, slides.
Dong-Ming Yan, Wenping Wang, Bruno Lévy and Yang Liu: Efficient Computation of Clipped Voronoi Diagram and Applications, Computer Aided Design. This is a journal version of our GMP2010 paper. [DOI]
Bruno Lévy and Yang Liu: Lp Centroidal Voronoi Tessellation and its Applications, ACM Transactions on Graphics (SIGGRAPH), 29(4), 119:1-119:11, 2010.[DOI][Supplemental material: data, sourcecode, videos and supplemental examples], slides
Dong-Ming Yan, Wenping Wang, Bruno Lévy and Yang Liu: Efficient Computation of 3D Clipped Voronoi Diagram, Geometric Modeling and Processing - GMP 2010, 269-282.[DOI]
Guodong Rong, Yang Liu, Wenping Wang, Xiaotian Yin, Xianfeng Gu and Xiaohu Guo: GPU-Assisted Computation of Centroidal Voronoi Tessellation, IEEE Transactions on Visualization & Computer Graphics, 17(3), 345-356, 2011. [DOI][video and code]
Dong-Ming Yan, Bruno Lévy, Yang Liu, Feng Sun and Wenping Wang: Isotropic Remeshing with Fast and Exact Computation of Restricted Voronoi Diagram, Computer Graphics Forum (Symposium on Geometry Processing 2009), 28(5), 1445-1454. [errata] [DOI][videos: 3_holes fandisk joint vhull topo_control ]
Yang Liu, Wenping Wang, Bruno Lévy, Feng Sun, Dong-Ming Yan, Lin Lu and Chenglei Yang: On Centroidal Voronoi Tessellation Energy Smoothness and Fast Computation, ACM Transactions on Graphics, 28(4), 1-17.[DOI] [software]
Yang Liu and Wenping Wang: On Vertex Offsets of Polyhedral Surfaces, Advances in Architectural Geometry, 61-64, 2008.
Wenping Wang, Yang Liu, Dong-Ming Yan, Bin Chan, Ruotian Ling and Feng Sun, Hexagonal Meshes with Planar Faces, Technical Report, Dept. of CS, HKU, 2008.
Wenping Wang and Yang Liu: A Note on Planar Hexagonal Meshes, In I.Z. Emiris, F. Sottile and T. Theobald, editors, IMA Volume 151: Nonlinear Computational Geometry , 221-233, Springer-Verlag, 2009. [DOI][relevant talk: Slides in Workshop on Polyhedral Surfaces and Industrial Applications 2007]
Yang Liu and Wenping Wang: A Revisit to Least Squares Orthogonal Distance Fitting of Parametric Curves and Surfaces, Geometric Modeling and Processing - GMP 2008, 384-397, Springer. [DOI]
Wenping Wang, Johannes Wallner and Yang Liu: An Angle Criterion for Conical Mesh Vertices, Journal for Geometry and Graphics 11(2), 199-208, 2007.
Falai Chen, Wenping Wang and Yang Liu: Computing Singular Points of Plane Rational Curves, Journal of Symbolic Computation, 43(2), 92-117, 2008. [DOI]
Wenping Wang, Bert Jüttler, Dayue Zheng and Yang Liu: Computation of Rotation Minimizing Frame, ACM Transactions on Graphics, 27(1), Article No. 2, 2008. [DOI]
Helmut Pottmann and Yang Liu: Discrete Surfaces in Isotropic Geometry, In R. Martin, M. Sabin and J. Winkler, editors, Mathematics of Surfaces XII, volume 4647 of LNCS, 431-363. Springer, 2007. [DOI] [Gallery and Models]
Helmut Pottmann, Yang Liu, Johannes Wallner, Alexander Bobenko and Wenping Wang: Geometry of Multi-layer Freeform Structures for Architecture, ACM Transactions on Graphics(SIGGRAPH) 26(3), Article No. 65, 2007. [DOI]
Kin-Shing D. Cheng, Wenping Wang, Hong Qin, Kwan-Yee K. Wong, Huaiping Yang and Yang Liu: Design and Analysis of Optimization Methods for Subdivision Surface Fitting, IEEE Transactions on Visualization and Computer Graphics, 13(5), 878-890, 2007. [DOI]
Dong-Ming Yan, Yang Liu and Wenping Wang: Quadric Surface Extraction by Variational Shape Approximation, Geometric Modeling and Processing - GMP 2006: 4th International Conference, 73-86, 2006. [Errata][DOI]
Yang Liu, Helmut Pottmann, Johannes Wallner, Yong-Liang Yang and Wenping Wang: Geometric Modeling with Conical Meshes and Developable Surfaces, ACM Transactions on Graphics(SIGGRAPH), 25(3), 681-689, 2006. [DOI]
Yang Liu, Helmut Pottmann and Wenping Wang: Constrained 3D Shape Reconstruction Using a Combination of Surface Fitting and Registration, Computer Aided Design, 38(6), 572-583, 2006. [DOI]
Yi-King Choi, Wenping Wang, Yang Liu and Myung-Soo Kim: Continuous Collision Detection for Two Moving Elliptic Disks, IEEE Transactions on Robotics, 22(2), 213-224, 2006. [DOI]
Wenping Wang, Helmut Pottmann and Yang Liu: Fitting B-spline Curves to Point Clouds by Curvature-Based Squared Distance Minimization, ACM Transactions on Graphics 25(2), 214-238, 2006. [DOI]
Yang Liu, Huaiping Yang and Wenping Wang: Reconstructing B-spline Curves from Point Clouds A Tangential Flow Approach Using Least Squares Minimization, International Conference on Shape Modeling and Applications 2005, 4-12. [DOI]
Falai Chen, David Cox and Yang Liu: The μ-basis and Implicitization of a Rational Parametric Surface, Journal of Symbolic Computation, 39(6)689-706, 2005. [DOI]
Kin-Shing D. Cheng, Wenping Wang, Hong Qin, Kwan-Yee K. Wong, Huaiping Yang and Yang Liu: Fitting Subdivision Surfaces to Unorganized Point Data Using SDM, Proceedings. 12th Pacific Conference on Computer Graphics and Applications, 16-24, 2004. [DOI]
Yang Liu and Falai Chen: Algebraic Conditions for Classifying the Positional Relationships between Two Conics and Their Applications, J. Comput. Sci. Tech. 19(4), 665-673, 2004.[DOI]

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Updated on Sep. 20, 2016