Publications List - Alla Sheffer

Note: Names of supervised students/postdocs highlighted in italics.

2010

• R. Mehra, Pushkar Tripathi, N. Mitra, A. Sheffer, Visibility of Noisy Point Cloud Data, Computers and Graphics (Special issue Proc. SMI 2010), 2010, to appear.
• Z. Qian, A. Tagliasacchi, B. Chen, D. Cohen-Or, A. Sharf, A. Sheffer, H. Zhang, Consensus Skeleton for Non-rigid Space-time Registration, Computer Graphics Forum (Proc. EUROGRAPHICS 2010), 2010, to appear.

2009

• R. Mehra, Q. Zhou, J. Long, A. Sheffer, A. Gooch, N. J. Mitra, Abstraction of Man-Made Shapes, ACM TOG (Proc. SIGGRAPH Asia 2009), 2009.
• V. Kraevoy, M. van de Panne, A. Sheffer, Modeling from Contour Drawings, Proc. Sketch-Based Interfaces and Modeling, 2009.
• W.-L. Lu, K. P. Murphy, J. J. Little, A. Sheffer, H. Fu, A Hybrid Conditional Random Field for Estimating the Underlying Ground Surface from Airborne LiDAR Data, IEEE Transactions on Geoscience and Remote Sensing, 47(8/2), 2913-2922,2009.
• T. Popa, Q. Zhou, D. Bradley, V. Kraevoy, H. Fu, A. Sheffer, W. Heidrich, Wrinkling Captured Garments Using Space-Time Data-Driven Deformation, Computer Graphics Forum (Proc. EUROGRAPHICS), 2009.

2008

• V. Kraevoy, A. Sheffer, D. Cohen-Or, A. Shamir, Non-homogeneous Resizing of Complex Models, ACM Transactions on Graphics (SIGGRAPH ASIA Conference Proceedings), 27(5), 2008.
• A. Sharf, D. Alcantara, T. Lewiner, C. Greif, A. Sheffer, N. Amenta, D. Cohen-Or, Space-time Surface Reconstruction using Incompressible Flow, ACM Transactions on Graphics (SIGGRAPH ASIA Conference Proceedings), 27(5), 2008.
• H. Fu, D. Cohen-Or, G. Dror, A. Sheffer, Upright Orientation of Man-Made Objects, ACM Transaction on Graphics (Proc. SIGGRAPH 2008), 27(3), 2008.
• D. Bradley, T. Popa, A. Sheffer, W. Heidrich, T. Boubekeur, Markerless Garment Capture, ACM Transaction on Graphics (Proc. SIGGRAPH 2008), 27(3), 2008.
• M. Kilian, S. Floery, Z. Chen, N. J. Mitra, A. Sheffer, H. Pottmann, Curved Folding, ACM Transaction on Graphics (Proc. SIGGRAPH 2008), 27(3), 2008.
• R. Zhang, A. Sheffer, D. Cohen-Or, Q. Zhou, O. van Kaick, A. Tagliasacchi, Deformation-Driven Shape Correspondence, Computer Graphics Forum (Proc. Eurographics/ACM SIGGRAPH Symposium on Geometry Processing (SGP) 2008), 2008.
• W.-L. Lu, J. J. Little, A. Sheffer, H. Fu, Deforestation: Extracting 3D Bare-Earth Surface from Airborne LiDAR Data, Fifth Canadian Conference on Computer and Robot Vision (CRV), 2008.

2007

• V. Kraevoy, D. Julius, A. Sheffer, Model Composition from Interchangeable Components, Proc. Pacific Graphics 2007.
• A. Sheffer, K. Hormann, B. Levy, M. Desbrun, K. Zhou, Mesh Parameterization: Theory and Practice, SIGGRAPH 2007, course notes. 2007.
• K. Rose, A. Sheffer, J. Wither, M.-P. Cani, B.Thibert , Developable Surfaces from Arbitrary Sketched Boundaries, Proc. Eurographics/ACM SIGGRAPH Symposium on Geometry Processing (SGP), 2007.
• R. Gal, O, Sorkine, T., Popa, A. Sheffer, D. Cohen-Or, 3D Collage: Expressive Non-Realistic Modeling, Proc. International Symposium on Non-Photorealistic Animation and Rendering (NPAR), 2007.
• T. Popa, D. Julius, A. Sheffer, Interactive and Linear Material Aware Deformations, International Journal of Shape Modeling, 13(1), 73 – 100, 2007.

2006

• A. Sheffer, E. Praun, K. Rose, Mesh Parameterization Methods and Their Applications, Now Publishers, 2006, ISBN 978-1-933019-43-7, (also Foundations and Trends® in Computer Graphics and Vision, volume 2(2),2006)
• N. Ray, W. C. Li, B. Levy, A. Sheffer, P. Alliez, Periodic Global Parameterization, ACM TOG, October, 2006.
• V. Kraevoy, A. Sheffer, Mean-Value Geometry Encoding, International Journal of Shape Modeling,12(1), 2006.
• P. Decaudin, D. Julius, J. Wither, L. Boissieux, A. Sheffer, M.-P. Cani, Virtual Garments: A Fully Geometric Approach for Clothing Design, Computer Graphics Forum (Proc Eurographics 2006), 25(3).
• A.Sheffer, K. Polthier, editors, Symposium on Geometry Processing 2006, (SGP 06), Eurographics/ACM Siggraph, 2006.
• D. Julius, T. Popa, A. Sheffer, Material Aware Mesh Deformation, Proc. IEEE Shape Modelling International (SMI), 2006.

2005

• D Julius, V. Kraevoy, A. Sheffer, D-Charts: Quasi-Developable Mesh Segmentation, Computer Graphics Forum (Proc Eurographics 2005), 24(3), 981-990, 2005.
• A. Sheffer, B. Lévy, M. Mogilnitsky, A, Bogomyakov, ABF++: Fast and Robust Angle Based Flattening, ACM Transactions on Graphics, 24(2), 311-330 2005.
• V.Kraevoy, A. Sheffer, Template Based Mesh Completion, Proc. Symposium on Geometry Processing (SGP), 2005.
• S.Saba, I. Yavneh, C. Gotsman, A. Sheffer, Practical Spherical Embedding of Manifold Triangle Meshes, Proc. Shape Modelling International (SMI), 2005.

2004

• V. Kraevoy, A. Sheffer, Cross-Parameterization and Compatible Remeshing of 3D Models, ACM Transactions on Graphics (Proc. SIGGRAPH 2004), 23(3), 861 – 869, 2004
• A. Sheffer, C. Gotsman and N. Dyn, Robust Spherical Parameterization of Triangular Meshes, Computing, 72, 185-193, 2004
• R. Raab, C. Gotsman, A. Sheffer, Virtual Woodwork: Generating Bead Figures from 3D Models, International Journal on Shape Modeling, 10(1), 1-30, 2004.
• Sheffer, V. Kraevoy, Pyramid Coordinates for Morphing and Deformation, Proc. Second International Symposium on 3DPVT (3D Data Processing, Visualization, and Transmission), 68-75, 2004.

2003

• C. Gotsman, X. Gu, A. Sheffer, Fundamentals of Spherical Parameterization for 3D Meshes,  ACM Transactions on Graphics (Proc. SIGGRAPH 2003), 22(3), 358-363, 2003.
• V. Kraevoy, A. Sheffer, C. Gotsman, Matchmaker: Constructing Constrained Texture Maps, ACM Transactions on Graphics (Proc. SIGGRAPH 2003), 22(3), 326-333, 2003.
• Sheffer, Skinning 3D Meshes, Graphical Models, 65(5), 274-285, 2003.
• Ungor, A. Sheffer, R. Haber, S.Teng, Layer based solutions for constrained space-time meshing, Applied Numerical Mathematics, 46(3-4), 425-443, 2003. 
• O. Sifri, A. Sheffer, C. Gotsman, Geodesic-Based Surface Remeshing, Proc. 12^th International Meshing Roundtable, 2003.
• A Sheffer, C. Gotsman, N. Dyn, Robust Spherical Parameterization of Triangular Meshes, 4^th Israel-Korea Bi-National Conference on Geometric Modeling and Computer Graphics, 94-99,2003.
• A. Sheffer, Non-Optimal Parameterization and User Control, Curve and Surface Design: St Malo 2002, Eds. T. Lyche, L.L. Mazure, L. L. Schumaker, VU Press, 355-364, 2003.

Before 2002

• A. Sheffer, E. de Sturler, Smoothing an Overlay Grid to Minimize Linear Distortion in Texture Mapping, ACM Transactions on Graphics, 21(4), 2002.
• A. Ungor and A. Sheffer, Pitching Tents in Space-Time: Mesh Generation for Discontinuous Galerkin Method, International Journal of Foundations of Computer Science (IJFCS), 13(2), 201-221, 2002.
• A. Sheffer, J. Hart, Seamster: Inconspicuous Low-Distortion Texture Seam Layout, IEEE Visualization (Vis02), 291-298, 2002.
• A. Sheffer, Spanning Tree Seams for Reducing Parameterization Distortion of Triangulated Surfaces, Shape Modelling International, 61-66, 2002.

• A. Sheffer, A. Ungor, Efficient Adaptive Meshing of Parametric Models, Journal of Computing and Information Science in Engineering, 1(4), 366-375, 2001.
• A. Sheffer and E. de Sturler, Parameterization of Faceted Surfaces for Meshing Using Angle Based Flattening, Engineering with Computers, 17 (3), 326-337, 2001.
• A. Sheffer, Model Simplification for Meshing Using Face Clustering, Computer-Aided Design (CAD), 33, 925-934, 2001.
• J. Liesen, E. de Sturler, A. Sheffer, Y. Aydin, C. Siefert, Preconditioners for Indefinite Linear Systems Arising in Surface Parameterization, Proc. 10th International Meshing Round Table, 71-82, 2001.
• A. Sheffer, A. Ungor, Efficient Adaptive Meshing of Parametric Models, Proc. Sixth ACM Symposium on Solid Modeling and Applications (Solid Modeling '01), 2001. Journal version (JCISE) listed above.

• A. Sheffer, T. Blacker, M. Bercovier, Virtual Topology Operators for Meshing, International Journal of Computational Geometry and Applications, 10(3), 309-331,2000.
• A. Sheffer, E. de Sturler, Surface Parameterization for Meshing by Triangulation Flattening. Proc. 9th International Meshing Roundtable, 161-172, 2000. . Journal version (EWC) listed above.
• A. Ungor, A. Sheffer, Tent-Pitcher: A Meshing Algorithm for Space-Time Discontinuous Galerkin Methods. Proc. 9th International Meshing Roundtable, 111-122, 2000. . Journal version (JFCS) listed above.
• A. Sheffer, M. Bercovier, Hexahedral Meshing of Non-Linear Volumes Using Voronoi Faces and Edges, International Journal for Numerical Methods in Engineering, 49(1-2), 329-351, 2000. (Originally presented at 2nd Symp. on Trends in Unstructured Mesh Generation, USNCCM99, 1999.)
• A. Sheffer, M. Etzion, A. Rappoport, M. Bercovier Hexahedral Mesh Generation Using the Embedded Voronoi Graph, Engineering with Computers, 15:248-262, 1999.
• A. Sheffer, M. Etzion, A. Rappoport, M. Bercovier Hexahedral Mesh Generation Using the Embedded Voronoi Graph, Proc. 7th International Meshing Roundtable, 347-364, 1998. Journal version (EWC) listed above.
• Sheffer, A., Blacker, T. and Bercovier, M., CAD Data Repair Based on Virtual Topology, Proceedings of DETC'98, 1998 ASME Design Engineering Technical Conferences, DETC98/DAC-5566, 1-10. 1998.
• O. Volpin, A. Sheffer, M. Bercovier, L. Joskowicz, Mesh Simplification with Smooth Surface Reconstruction, Computer-Aided Design (CAD), 30:875-882, 1998. Originally presented at SIAM Geometric Modeling, 1997.
• A. Sheffer, T. Blacker, M. Bercovier, Virtual Topology Operators for Meshing, Proc. 6th International Meshing Roundtable, 49-66, 1997. Journal version (IJCGA) listed above.
• T. Blacker, A. Sheffer, J. Clements, M. Bercovier, Using Virtual Topology to Simplify the Mesh Generation Process. Trends in Unstructured Mesh Generation, ASME Press, 45-50, 1997.
• A. Sheffer, T. Blacker, M. Bercovier, Clustering: Automated Detail Suppression Using Virtual Topology, Trends in Unstructured Mesh Generation, ASME Press, 57-64, 1997.
• A. Sheffer, T. Blacker, J. Clements, M. Bercovier, Virtual Topology Construction and Applications. Geometric Modeling: Theory and Practice, Eds. Strasser, Klein, Rau, Springer-Verlag, 247-259, 1997. ( Proc. Theory and Practice of Geometric Modeling (Blaubeuren II), 1996.)
• A. Rappoport, A. Sheffer, M. Bercovier, Volume Preserving Free Form Solids. IEEE Transactions on Visualization and Computer Graphics, 2(1):19-27, 1996. (based on A.Sheffer, M.Sc. Thesis.)
• A. Rappoport, A. Sheffer, M. Bercovier, Volume Preserving Free Form Solids. Proc. Third ACM/SIGGRAPH Symposium on Solid Modeling and Applications (Solid Modeling '95), 361-372, 1995. Also presented at SIGGRAPH '94, Technical Sketches Venue. Journal version (TVCG) listed above.