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]

Intern Recruitment: Development Position
Research Position
contact: msra-ig-recruiter@microsoft.com

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 2014/2015/2016/2018, Pacific Graphics 2013/2014/2015/2016/2017, Geometric Modeling and Processing 2014/ 2015/ 2016/ 2017/ 2018, Advances in Architectural Geometry 2014/2016/2018, CAD/Graphics 2013/2015/2017, GDC 2017, ChinaGraph 2018
  • 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

  • Chun-Yu Sun (PhD Candidate, from Tsinghua, 2016.11--now)
  • Shi-Lin Liu (PhD Candidate, from USTC, 2014.7--2015.5 (undergraduate), 2016.7--now)
  • Peng-Shuai Wang (PhD candidate, from Tsinghua, 2014.2--now)
  • Yu-Qi Yang (undergraduate, from USTC, 2017.7--now)
  • Hao-Xiang Guo (PhD candidate, from Tsinghua, 2018.1--now)

  • Chang-Jian Li (PhD Cadidate, from HKU, 2016.2--2016.7, 2016.11--2018.1)
  • Dr. Xiao-Ming Fu (PhD Candidate, from USTC, 2012.9--2016.6), now assistant researcher at USTC.
  • Chong-Yang Bai (Undergraduate, from USTC, 2015.9--2016.6)
  • Dr. Caigui Jiang (PhD Candidate, from KAUST, 2015.6--2015.8), now PostDoc at MPI.
  • Dr. Shuo Jin (PhD Candidate, 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 (PhD Candidate, from EPFL, 2013.6--2013.9)
  • Dr. Pan Hao (PhD Candidate, from HKU, 2012.9--2013.1), now associate researcher at MSRA.
  • Dr. Yufei Li (PhD Candidate, from HKU, 2011.9--2012.2), now at Merrill Lynch.
  • Dr. Jun Wang (PhD Candidate, from USTC, 2010.7--2011.1), now senior research engineer at BaiDu.

Publications and Manuscripts

Li-Ke Ma , Yizhong Zhang, Yang Liu, Kun Zhou, Xin Tong: Computational Design and Fabrication of Soft Pneumatic Objects with Desired Deformations, ACM Transactions on Graphics(SIGGRAPH Asia), 36(6), 2017. Video, Project page .
Peng-Shuai Wang, Yang Liu, Yu-Xiao Guo, Chun-Yu Sun, Xin Tong: O-CNN: Octree-based Convolutional Neural Networks for 3D Shape Analysis, ACM Transactions on Graphics(SIGGRAPH), 36(4), 2017. [ Project page], Open source code.
Changjian Li , Hao Pan , Yang Liu, Xin Tong, Alla Sheffer, Wenping Wang: BendSketch: Modeling Freeform Surfaces Through 2D Sketching, ACM Transactions on Graphics(SIGGRAPH) , 36(4), 2017. [ Project page]
Shuo Jin, Chengkai Dai, Yang Liu, Charlie C.L. Wang: Motion Imitation Based on Sparsely Sampled Correspondence , Journal of Computing and Information Science in Engineering, to appear, 2017. [ Video]
Saifeng Ni, Zichun Zhong, Yang Liu, Wenping Wang , Zhonggui Chen and Xiaohu Guo: Sliver-Suppressing Tetrahedral Mesh Optimization with Gradient-Based Shape Matching Energy, Geometric Modeling and Processing - GMP 2017, Computer Aided Geometric Design, 52-53, 247-261. [ DOI]
Yiqi Cai, Xiaohu Guo, Yang Liu, Wenping Wang , Weihua Mao, and Zichun Zhong : Surface Approximation via Asymptotic Optimal Geometric Partition, IEEE Transactions on Visualization & Computer Graphics , in press. supplement material, video. [ DOI]
Xiao-Ming Fu , Chong-Yang Bai and Yang Liu: Efficient Volumetric PolyCube-Map Construction , Computer Graphics Forum (Pacific Graphics) 35(7), 2016. Project page, supplement material. [ DOI]
Xiao-Ming Fu and Yang Liu: Computing Inversion-Free Mappings by Simplex Assembly, ACM Transactions on Graphics(SIGGRAPH Asia), 35(6), 2016. Project page, supplement material, code.[ DOI]
Peng-Shuai Wang, Yang Liu and Xin Tong: Mesh Denoising via Cascaded Normal Regression , ACM Transactions on Graphics(SIGGRAPH Asia) , 35(6), 2016. Project page(code and data). [ DOI]
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, Program, 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, 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 corrected 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 May 10, 2018