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	Yaron Lipman Department of Computer Science and Applied Mathematics Weizmann Institute of Science Rehovot, 76100 Israel Ziskind Building, room 259 Email: yaron lipman weizmann ac il
Research Interests: Deep learning of geometric and irregular data, Geometry Processing, Computer Graphics, Discrete Differential Geometry, Optimization, Computational anatomy/biology
Group: Omri Puny (PhD 2021 - today; MSc 2019- 2021) Lior Yariv (PhD 2020 - today; MSc 2019- 2020) Matan Atzmon (PhD 2017-today) Heli Ben-Hamu (PhD 2018- today; MSc 2017-2018) Past: Amos Gropp (MSc 2019- 2020) Hadar Serviansky (MSc 2019- 2020) Haggai Maron (PhD 2015-2019) Nimrod Segol (Researcher 2018-2019) Niv Haim (Researcher 2018-2019) Roee Lazar (MSc 2017-2018) Itay Kezurer (MSc 2014-2015; Researcher 2015-2018) Nadav Dym (PhD 2014-2018) Yam Kushinsky (MSc 2016-2018) Anna Shtengel (MSc 2015-2017) Noam Aigerman (PhD 2012-2016 ) Shahar Kovalsky (PhD 2011-2016 with Ronen Basri) Roi Poranne (Postdoc 2013-2015) Inbar Aharon (MSc 2013-2015) Eli Libman (MSc 2013-2015 with Meirav Galun and Ronen Basri) Ofer Bartal (MSc 2011-2012 with Ronen Basri)
Publications:
2022
	Frame Averaging for Invariant and Equivariant Network Design Omri Puny, Matan Atzmon, Heli Ben-Hamu, Ishan Misra, Aditya Grover, Edward J. Smith, Yaron Lipman International Conference on Learning Representations (ICLR) 2022, Oral* Paper Code
2021
	Moser Flow: Divergence-based Generative Modeling on Manifolds Noam Rozen, Aditya Grover, Maximilian Nickel, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2021, Outstanding Paper Award Paper Code
	Volume Rendering of Neural Implicit Surfaces Lior Yariv, Jiatao Gu, Yoni Kasten, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2021, Oral Paper Project page
	Phase Transitions, Distance Functions, and Implicit Neural Representations Yaron Lipman International Conference on Machine Learning (ICML) 2021 Paper Code
	Riemannian Convex Potential Maps Samuel Cohen, Brandon Amos, Yaron Lipman International Conference on Machine Learning (ICML) 2021 Paper Code
	Augmenting Implicit Neural Shape Representations with Explicit Deformation Fields Matan Atzmon, David Novotny, Andrea Vedaldi, Yaron Lipman Technical Report, 2021 Paper
	Secondary Vertex Finding in Jets with Neural Networks Jonathan Shlomi, Sanmay Ganguly, Eilam Gross, Kyle Cranmer, Yaron Lipman, Hadar Serviansky, Haggai Maron, Nimrod Segol European Physical Journal C, 2021 Paper Code
	SALD: Sign Agnostic Learning with Derivatives Matan Atzmon, Yaron Lipman International Conference on Learning Representations (ICLR) 2021 Paper Code
2020
	Multiview Neural Surface Reconstruction by Disentangling Geometry and Appearance Lior Yariv, Yoni Kasten, Dror Moran, Meirav Galun, Matan Atzmon, Ronen Basri, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2020, Spotlight Paper Project page
	Set2Graph: Learning Graphs From Sets Hadar Serviansky, Nimrod Segol, Jonathan Shlomi, Kyle Cranmer, Eilam Gross, Haggai Maron, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2020 Paper Code
	Global Attention Improves Graph Networks Generalization Omri Puny, Heli Ben-Hamu, Yaron Lipman Graph Representation Learning and Beyond Workshop (ICML), 2020 Paper
	Isometric Autoencoders Amos Gropp, Matan Atzmon, Yaron Lipman Technical Report, 2020 Paper
	Implicit Geometric Regularization for Learning Shapes Amos Gropp, Lior Yariv, Niv Haim, Matan Atzmon, Yaron Lipman International Conference on Machine Learning (ICML) 2020 Paper Code
	SAL: Sign Agnostic Learning of Shapes from Raw Data Matan Atzmon, Yaron Lipman Computer Vision and Pattern Recognition (CVPR) 2020, Oral Paper Code
	On Universal Equivariant Set Networks Nimrod Segol, Yaron Lipman International Conference on Learning Representations (ICLR) 2020 Paper
2019
	Open Problems: Approximation Power of Invariant Graph Networks Haggai Maron, Heli Ben-Hamu, Yaron Lipman Graph Representation Learning Workshop (NeurIPS) 2019 Paper
	Provably Powerful Graph Networks Haggai Maron, Heli Ben-Hamu, Hadar Serviansky, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2019* Paper Code Blog post
	Controlling Neural Level Sets Matan Atzmon, Niv Haim, Lior Yariv, Ofer Israelov, Haggai Maron, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2019 Paper
	Surface Networks via General Covers Niv Haim, Nimrod Segol, Heli Ben-Hamu, Haggai Maron, Yaron Lipman International Conference on Computer Vision (ICCV) 2019 Paper Code
	On the Universality of Invariant Networks Haggai Maron, Ethan Fetaya, Nimrod Segol, Yaron Lipman International Conference on Machine Learning (ICML) 2019 Paper Blog post
	Sinkhorn Algorithm for Lifted Assignment Problems Yam Kushinsky, Haggai Maron, Nadav Dym, Yaron Lipman SIAM Journal on Imaging Sciences (SIIMS) 2019 Paper
	Invariant and Equivariant Graph Networks Haggai Maron, Heli Ben-Hamu, Nadav Shamir, Yaron Lipman International Conference on Learning Representations (ICLR) 2019 Paper Code Blog post
	A Linear Variational Principle for Riemann Mappings and Discrete Conformality Nadav Dym, Raz Slutsky, Yaron Lipman Proceedings of the National Academy of Sciences (PNAS), 116(3), 2019 Paper
2018
	(Probably) Concave Graph Matching Haggai Maron, Yaron Lipman Neural Information Processing Systems (NeurIPS) 2018, Spotlight Paper Code
	Multi-chart Generative Surface Modeling Heli Ben-Hamu, Haggai Maron, Itay Kezurer, Gal Avineri, Yaron Lipman ACM SIGGRAPH Asia 2018 Paper Code
	Robust Optimization for Topological Surface Reconstruction Roee Lazar, Nadav Dym, Yam Kushinksy, Zhiyang Huang, Tao Ju, Yaron Lipman ACM SIGGRAPH 2018 Paper Code
	Point Convolutional Neural Networks by Extension Operators Matan Atzmon, Haggai Maron, Yaron Lipman ACM SIGGRAPH 2018 Paper Code
2017
	DS++: A Flexible, Scalable and Provably Tight Relaxation for Matching Problems Nadav Dym, Haggai Maron, Yaron Lipman ACM SIGGRAPH Asia 2017 Paper Code
	Convolutional Neural Networks on Surfaces via Seamless Toric Covers Haggai Maron, Meirav Galun, Noam Aigerman, Miri Trope, Nadav Dym, Ersin Yumer, Vladimir G. Kim, Yaron Lipman ACM SIGGRAPH 2017 Paper Code
	Spherical Orbifold Tutte Embeddings Noam Aigerman, Shahar Kovalsky, Yaron Lipman ACM SIGGRAPH 2017 Paper Code
	Geometric Optimization via Composite Majorization Anna Shtengel, Roi Poranne, Olga Sorkine-Hornung, Shahar Kovalsky, Yaron Lipman ACM SIGGRAPH 2017 Paper Code
	Exact Recovery With Symmetries for Procrustes Matching Nadav Dym, Yaron Lipman SIAM J. Optim., 27(3) Paper
2016
	Hyperbolic Orbifold Tutte Embeddings Noam Aigerman, Yaron Lipman ACM SIGGRAPH Asia 2016 Paper Code
	Accelerated Quadratic Proxy for Geometric Optimization Shahar Kovalsky, Meirav Galun, Yaron Lipman ACM SIGGRAPH 2016 Paper Code
	Point Registration via Efficient Convex Relaxation Haggai Maron, Nadav Dym, Itay Kezurer, Shahar Kovalsky, Yaron Lipman ACM SIGGRAPH 2016 Paper Code
2015
	Wide baseline stereo matching with convex bounded distortion constraints Meirav Galun, Tal Amir, Tal Hassner, Ronen Basri, Yaron Lipman EEE International Conference on Computer Vision, Santiago, ICCV-15 (2015) Paper
	Orbifold Tutte Embeddings Noam Aigerman, Yaron Lipman ACM SIGGRAPH Asia 2015 Paper Code
	Large Scale Bounded Distortion Mappings Shahar Kovalsky, Noam Aigerman, Ronen Basri, Yaron Lipman ACM SIGGRAPH Asia 2015 Paper Code
	Seamless Surface Mappings Noam Aigerman, Roi Poranne, Yaron Lipman ACM SIGGRAPH 2015 Paper Code
	Tight Relaxations of Quadratic Matching Itay Kezurer, Shahar Kovalsky, Ronen Basri, Yaron Lipman Computer Graphics Forum, Vol. 34(5), 2015 (Symposium on Geometry Processing 2015) Best paper award Paper Code
	Homotopic Morphing of Planar Curves Nadav Dym, Anna Shtengel, Yaron Lipman Computer Graphics Forum, Vol. 34(5), 2015 (Symposium on Geometry Processing 2015) Paper Code
2014
	Lifted Bijections for Low Distortion Surface Mappings Noam Aigerman, Roi Poranne, Yaron Lipman ACM SIGGRAPH 2014 Paper
	Controlling Singular Values with Semidefinite Programming Shahar Kovalsky, Noam Aigerman, Ronen Basri, Yaron Lipman ACM SIGGRAPH 2014 Paper project page + code
	Provably Good Planar Mappings Roi Poranne, Yaron Lipman ACM SIGGRAPH 2014 Paper code
	Feature Matching with Bounded Distortion Yaron Lipman, Stav Yagev, Roi Poranne, David W. Jacobs, Ronen Basri ACM Trans. Graph., Volume 33 Issue 3, May 2014 (to be presented in SIGGRAPH 2014) Paper code
	Bijective Mappings of Meshes With Boundary and the Degree in Mesh Processing Yaron Lipman SIAM Journal on Imaging Sciences, Volume 7, No. 2, 2014 Paper
	Approximation of Polyhedral Surface Uniformization Yaron Lipman Technical report
2013
	Injective and Bounded Distortion Mappings in 3D Noam Aigerman, Yaron Lipman ACM SIGGRAPH 2013 Project page + code
	The continuous Procrustes distance between two surfaces Yaron Lipman, Reema Al-Aifari, Ingrid Daubechies Comm. in Pure and Applied Mathematics (CPAM), Volume 66 Issue 6, June 2013 (posted 2012) Preprint
2012
	Bounded Distortion Mapping Spaces For Triangular Meshes Yaron Lipman ACM SIGGRAPH 2012 Paper &nbsp comment code&nbsp (maximal conformal distortion, YALMIP, SOCP)

	Fields On Symmetric Surfaces Daniele Panozzo, Yaron Lipman, Enrico Puppo, Denis Zorin ACM SIGGRAPH 2012 Paper
	Simple Formulas For Quasiconformal Plane Deformations Yaron Lipman, Vladimir Kim, Thomas Funkhouser ACM Trans. Graph., Volume 31 Issue 5, August 2012 Paper
	Symmetry-Guided Texture Synthesis and Manipulation. Vladimir G. Kim, Yaron Lipman, Thomas Funkhouser ACM Trans. Graph., Volume 31 Issue 3, May 2012
	Conformal Wasserstein Distances: II. Computational Aspects and Extensions Yaron Lipman, Jesus Puente, Ingrid Daubechies Mathematics of Computation, Volume 82, 2013 (posted July 2012) Paper
	Sensor network localization by eigenvector synchronization over the Euclidean group Mihai Cucuringu, Yaron Lipman, Amit Singer ACM Trans. Sensor Networks, Volume 8 Issue 3, July 2012 Preprint
	First Paleocene Record of Platychoerops (Primates, Plesiadapidae), a New Species from Mouras Quarry, Mont deBerru, France Doug M. Boyer, Loic Costeur, Yaron Lipman American J. of Physical Anthropology, Volume 149 Issue 3, 2012
2011
	Algorithms to Automatically Quantify the Geometric Similarity of Anatomical Surfaces Doug M. Boyer, Yaron Lipman, Elizabeth St. Clair, Jesus Puente, Biren A. Patel, Thomas Funkhouser, Jukka Jernvall, and Ingrid Daubechies PNAS, vol. 108 no. 45, November 8, 2011 Paper Code and data
	Blended Intrinsic Maps Vladimir Kim, Yaron Lipman, Thomas Funkhouser ACM SIGGRAPH 2011 Project page
	Conformal Wasserstein Distances: Comparing Surfaces in Polynomial Time Yaron Lipman, Ingrid Daubechies Advances in Mathematics, Volume 227, Issue 3, 20 June 2011 Paper Technical report
	Dirichlet Normal Surface Energy of Tooth Crowns, a New Technique of Molar Shape Quantification for Dietary Inference, Compared With Previous Methods in Isolation and in Combination Jonathan M. Bunn, Doug M. Boyer, Jukka Jernvall, Yaron Lipman, Ingrid Daubechies American J. of Physical Anthropology, Volume 145 Issue 2, 2011
2010
	Symmetry Factored Embedding And Distance Yaron Lipman, Xiaobai Chen, Ingrid Daubechies, ThomasFunkhouser ACM SIGGRAPH 2010 Project page
	Biharmonic Distance Yaron Lipman, Raif Rustamov, Thomas Funkhouser ACM Trans. Graph., Volume 29 , Issue 3, June 2010 Project page
	Mobius Transformations For Global Intrinsic Symmetry Analysis V. G. Kim, Y. Lipman, X. Chen, T. Funkhouser Computer Graphics Forum (Proc. of SGP) 2010 Paper
	Derivation and Analysis of Green Coordinates Yaron Lipman, David Levin Comp. Methods and Function Theory, Vollume 10 Issue 1, June 2010 Preprint
	Approximating Piecewise Smooth Functions Yaron Lipman, David Levin IMA Journal of Numerical Analysis, Volume 30 issue 4, 2010 Paper
2009
	Mobius Voting for Surface Correspondence Yaron Lipman, Thomas Funkhouser ACM SIGGRAPH 2009 Project page
	Coordinates for Instant Image Cloning Zeev Farbman, Gil Hoffer, Yaron Lipman, Daniel Cohen-Or, Dani Lischinski ACM SIGGRAPH 2009 Project page
	Interior Distance Using Barycentric Coordinates Raif Rustamov, Yaron Lipman, and Thomas Funkhouser Computer Graphics Forum (Symposium on Geometry Processing), 2009 Paper
	Stable Moving Least-Squares Yaron Lipman J. of Approximation Theory, Volume 161 Issue 1, November 2009 Paper
2008
	Green Coordinates Yaron Lipman, David Levin, Daniel Cohen-Or ACM SIGGRAPH 2008 Paper Code snippet
2007
	Parameterization-free Projection for Geometry Reconstruction Yaron Lipman, Daniel Cohen-Or, David Levin, Hillel Tal-Ezer ACM SIGGRAPH 2007 Project page
	Volume and Shape Preservation via Moving Frame Manipulation Yaron Lipman, Daniel Cohen-Or, Ran Gal, David Levin ACM Trans. Graph. Volume 26 Issue 1, January 2007 Paper
	Data-dependent Moving Least Squares For Faithful Surface Approximation Yaron Lipman, Daniel Cohen-Or, David Levin Symposium on Geometry Processing 2007 Project page
	GPU-assisted Positive Mean Value Coordinates for Mesh Deformation Yaron Lipman, Johannes Kopf, Daniel Cohen-Or, David Levin Symposium on Geometry Processing 2007 Project page
	Context-Aware Skeletal Shape Deformation Ofir Weber, Olga Sorkine, Yaron Lipman, Craig Gotsman Eurographics 2007 Project page
2006
	Error Bounds and Optimal Neighborhoods for MLS Approximation Yaron Lipman, Daniel Cohen-Or, David Levin Symposium on Geometry Processing 2006 Paper
2005
	Linear Rotation-Invariant Coordinates for Meshes Yaron Lipman, Olga Sorkine, Daniel Cohen-Or, David Levin ACM SIGGRAPH 2005 Paper
	Laplacian Framework for Interactive Mesh Editing Yaron Lipman, Olga Sorkine, Marc Alexa, Daniel Cohen-Or, David Levin International Journal of Shape Modeling, Volume 11 Issue 1, 2005 Paper
2004
	Laplacian Surface Editing Olga Sorkine, Daniel Cohen-Or, Yaron Lipman, Marc Alexa, Christian RÃ¶ssl and Hans-Peter Seidel Symposium on Geometry Processing 2004 Project page
	Differential Coordinates for Interactive Mesh Editing Yaron Lipman, Olga Sorkine, Daniel Cohen-Or, David Levin, Christian RÃ¶ssl and Hans-Peter Seidel Shape Modeling International 2004 Paper

Yaron Lipman

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