von Tycowicz, Dr. Christoph

Position:
Head of Research Group
Room:
4004
Division:
Department:
Research group:
Mail:
vontycowicz
zib.de

Phone:
+49 30 84185 - 350
Fax:
+49 30 84185 - 107
Personal website:
Projects
Head
Publications
2023
2022
2021
2020
2019
2018
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2023 |
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Stephan Oehme, Philippe Moewis, Heide Boeth, Benjamin Bartek, Christoph von Tycowicz, Rainald Ehrig, Georg Duda, Tobias Jung | Altered knee kinematics after posterior cruciate single-bundle reconstruction - a comprehensive prospective biomechanical in vivo analysis | Frontiers in Bioengineering and Biotechnology, 2023 (under review) |
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Martin Hanik, Benjamin Ducke, Hans-Christian Hege, Friederike Fless, Christoph von Tycowicz | Intrinsic shape analysis in archaeology: A case study on ancient sundials | Journal on Computing and Cultural Heritage, 16(4), pp. 1-26, 2023 |
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Doğa Türkseven, Islem Rekik, Christoph von Tycowicz, Martin Hanik | Predicting Shape Development: A Riemannian Method | Shape in Medical Imaging, pp. 211-222, 2023 |
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arXiv DOI |
Esfandiar Navayazdani, Felix Ambellan, Martin Hanik, Christoph von Tycowicz | Sasaki Metric for Spline Models of Manifold-Valued Trajectories | Computer Aided Geometric Design, Vol.104, 2023 |
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2022 |
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Esfandiar Nava-Yazdani, Hans-Christian Hege, Christoph von Tycowicz | A Hierarchical Geodesic Model for Longitudinal Analysis on Manifolds | Journal of Mathematical Imaging and Vision, 64(4), pp. 395-407, 2022 (preprint available as ZIB-Report 21-39) |
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Martha Paskin, Mason Dean, Daniel Baum, Christoph von Tycowicz | A Kendall Shape Space Approach to 3D Shape Estimation from 2D Landmarks | Computer Vision -- ECCV 2022, pp. 363-379, 2022 |
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Martha Paskin, Daniel Baum, Mason N. Dean, Christoph von Tycowicz | A Kendall Shape Space Approach to 3D Shape Estimation from 2D Landmarks -- Source Code and Data | 2022 |
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Martin Hanik, Hans-Christian Hege, Christoph von Tycowicz | A Nonlinear Hierarchical Model for Longitudinal Data on Manifolds | 2022 IEEE 19th International Symposium on Biomedical Imaging (ISBI), pp. 1-5, 2022 |
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Julius Mayer, Daniel Baum, Felix Ambellan, Christoph von Tycowicz | A Soft-Correspondence Approach to Shape-based Disease Grading with Graph Convolutional Networks | Proceedings of Machine Learning Research, pp. 85-95, Vol.194, 2022 |
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Martin Hanik, Hans-Christian Hege, Christoph von Tycowicz | Bi-invariant Dissimilarity Measures for Sample Distributions in Lie Groups | SIAM Journal on Mathematics of Data Science, 4(4), pp. 1223-1249, 2022 |
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Felix Ambellan | Efficient Riemannian Statistical Shape Analysis with Applications in Disease Assessment | Doctoral thesis, Freie Universität Berlin, Christof Schütte, Christoph von Tycowicz (Advisors), 2022 |
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Adele Myers, Saiteja Utpala, Shubham Talbar, Sophia Sanborn, Christian Shewmake, Claire Donnat, Johan Mathe, Umberto Lupo, Rishi Sonthalia, Xinyue Cui, Tom Szwagier, Arthur Pignet, Andri Bergsson, Søren Hauberg, Dmitriy Nielsen, Stefan Sommer, David Klindt, Erik Hermansen, Melvin Vaupel, Benjamin Dunn, Jeffrey Xiong, Noga Aharony, Itsik Pe’er, Felix Ambellan, Martin Hanik, Esfandiar Navayazdani, Christoph von Tycowicz, Nina Miolane | ICLR 2022 Challenge for Computational Geomerty & Topology: Design and Results | Proceedings of Topology, Algebra, and Geometry in Learning, pp. 269-276, Vol.196, Proceedings of Machine Learning Research, 2022 |
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Esfandiar Nava-Yazdani, Martin Hanik, Felix Ambellan, Christoph von Tycowicz | On Gradient Formulas in an Algorithm for the Logarithm of the Sasaki Metric | ZIB-Report 22-12 |
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Stephan Oehme, Philippe Moewis, Heide Boeth, Benjamin Bartek, Annika Lippert, Christoph von Tycowicz, Rainald Ehrig, Georg Duda, Tobias Jung | PCL insufficient patients with increased translational and rotational passive knee joint laxity have no increased range of anterior–posterior and rotational tibiofemoral motion during level walking | Scientific Reports, 12(1), pp. 1-11, 2022 |
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Ariel Caputo, Marco Emporio, Andrea Giachetti, Marco Cristani, Guido Borghi, Andrea D'Eusanio, Minh-Quan Le, Hai-Dang Nguyen, Minh-Triet Tran, Felix Ambellan, Martin Hanik, Esfandiar Navayazdani, Christoph von Tycowicz | SHREC 2022 Track on Online Detection of Heterogeneous Gestures | Computers and Graphics, Vol.107, pp. 241-251, 2022 |
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Martin Hanik, Christoph von Tycowicz | Triangle meshes of shadow-recieving surfaces of ancient sundials | 2022 |
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2021 |
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Felix Ambellan, Stefan Zachow, Christoph von Tycowicz | Geodesic B-Score for Improved Assessment of Knee Osteoarthritis | Proc. Information Processing in Medical Imaging (IPMI), pp. 177-188, Lecture Notes in Computer Science, 2021 (preprint available as ZIB-Report 21-09) |
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Felix Ambellan, Martin Hanik, Christoph von Tycowicz | Morphomatics: Geometric morphometrics in non-Euclidean shape spaces | 2021 |
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Philippe Moewis, René Kaiser, Adam Trepczynski, Christoph von Tycowicz, Leonie Krahl, Ansgar Ilg, Johannes Holz, Georg Duda | Patient specific resurfacing implant knee surgery in subjects with early osteoarthritis results in medial pivot and lateral femoral rollback during flexion: A retrospective pilot study | Knee Surgery, Sports Traumatology, Arthroscopy, 2021 |
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Felix Ambellan, Stefan Zachow, Christoph von Tycowicz | Rigid Motion Invariant Statistical Shape Modeling based on Discrete Fundamental Forms | Medical Image Analysis, Vol.73, 2021 |
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Ivan Sipiran, Patrick Lazo, Cristian Lopez, Nihar Bagewadi, Benjamin Bustos, Hieu Dao, Shankar Gangisetty, Martin Hanik, Ngoc-Phuong Ho-Thi, Mike Holenderski, Dmitri Jarnikov, Arniel Labrada, Stefan Lengauer, Roxane Licandro, Dinh-Huan Nguyen, Thang-Long Nguyen-Ho, Luis A. Pérez Rey, Bang-Dang Pham, Minh-Khoi Pham, Reinhold Preiner, Tobias Schreck, Quoc-Huy Trinh, Loek Tonnaer, Christoph von Tycowicz, The-Anh Vu-Le | SHREC 2021: Retrieval of Cultural Heritage Objects | Computers and Graphics, Vol.100, pp. 1-20, 2021 |
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2020 |
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Martin Hanik, Hans-Christian Hege, Christoph von Tycowicz | Bi-invariant Two-Sample Tests in Lie Groups for Shape Analysis | Shape in Medical Imaging, pp. 44-54, 2020 |
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arXiv DOI |
Esfandiar Nava-Yazdani, Hans-Christian Hege, T. J. Sullivan, Christoph von Tycowicz | Geodesic Analysis in Kendall's Shape Space with Epidemiological Applications | Journal of Mathematical Imaging and Vision, 62(4), pp. 549-559, 2020 |
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DOI arXiv |
Martin Hanik, Hans-Christian Hege, Anja Hennemuth, Christoph von Tycowicz | Nonlinear Regression on Manifolds for Shape Analysis using Intrinsic Bézier Splines | Proc. Medical Image Computing and Computer Assisted Intervention (MICCAI), pp. 617-626, 2020 |
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Christoph von Tycowicz | Towards Shape-based Knee Osteoarthritis Classification using Graph Convolutional Networks | 2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI 2020), 2020 |
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2019 |
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Esfandiar Nava-Yazdani, Hans-Christian Hege, Christoph von Tycowicz | A Geodesic Mixed Effects Model in Kendall's Shape Space | Proc. 7th MICCAI workshop on Mathematical Foundations of Computational Anatomy (MFCA), pp. 209-218, Vol.11846, Lecture Notes in Computer Science, 2019 (preprint available as ZIB-Report 19-49) |
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Felix Ambellan, Stefan Zachow, Christoph von Tycowicz | A Surface-Theoretic Approach for Statistical Shape Modeling | Proc. Medical Image Computing and Computer Assisted Intervention (MICCAI), Part IV, pp. 21-29, Vol.11767, Lecture Notes in Computer Science, 2019 (preprint available as ZIB-Report 19-20) |
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Felix Ambellan, Stefan Zachow, Christoph von Tycowicz | An as-invariant-as-possible GL+(3)-based Statistical Shape Model | Proc. 7th MICCAI workshop on Mathematical Foundations of Computational Anatomy (MFCA), pp. 219-228, Vol.11846, Lecture Notes in Computer Science, 2019 (preprint available as ZIB-Report 19-46) |
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Felix Ambellan, Hans Lamecker, Christoph von Tycowicz, Stefan Zachow | Statistical Shape Models - Understanding and Mastering Variation in Anatomy | Biomedical Visualisation, Paul M. Rea (Ed.), Springer Nature Switzerland AG, 1, pp. 67-84, 2019, ISBN: 978-3-030-19384-3, ISBN: 978-3-030-19385-0 (preprint available as ZIB-Report 19-13) |
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2018 |
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Esfandiar Nava-Yazdani, Hans-Christian Hege, Christoph von Tycowicz, T. J. Sullivan | A Shape Trajectories Approach to Longitudinal Statistical Analysis | ZIB-Report 18-42 |
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Christoph von Tycowicz, Felix Ambellan, Anirban Mukhopadhyay, Stefan Zachow | An Efficient Riemannian Statistical Shape Model using Differential Coordinates | Medical Image Analysis, 43(1), pp. 1-9, 2018 (preprint available as ZIB-Report 16-69) |
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Martin Krämer, Marta Maggioni, Christoph von Tycowicz, Nick Brisson, Stefan Zachow, Georg Duda, Jürgen Reichenbach | Ultra-short echo-time (UTE) imaging of the knee with curved surface reconstruction-based extraction of the patellar tendon | ISMRM (International Society for Magnetic Resonance in Medicine), 26th Annual Meeting 2018, Paris, France, 2018 |
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2016 |
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Christopher Brandt, Christoph von Tycowicz, Klaus Hildebrandt | Geometric Flows of Curves in Shape Space for Processing Motion of Deformable Objects | Computer Graphics Forum, 35(2), 2016 (preprint available as ZIB-Report 16-29) |
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2015 |
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Christian Schulz, Christoph von Tycowicz, Hans-Peter Seidel, Klaus Hildebrandt | Animating articulated characters using wiggly splines | ACM SIGGRAPH / Eurographics Symposium on Computer Animation, pp. 101-109, 2015 |
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Martin Krämer, Karl-Heinz Herrmann, Heide Boeth, Christoph von Tycowicz, Christian König, Stefan Zachow, Rainald Ehrig, Hans-Christian Hege, Georg Duda, Jürgen Reichenbach | Measuring 3D knee dynamics using center out radial ultra-short echo time trajectories with a low cost experimental setup | ISMRM (International Society for Magnetic Resonance in Medicine), 23rd Annual Meeting 2015, Toronto, Canada, 2015 |
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Christoph von Tycowicz, Christian Schulz, Hans-Peter Seidel, Klaus Hildebrandt | Real-time Nonlinear Shape Interpolation | ACM Transactions on Graphics, 34(3), pp. 34:1-34:10, 2015 |
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Sebastian Götschel, Christoph von Tycowicz, Konrad Polthier, Martin Weiser | Reducing Memory Requirements in Scientific Computing and Optimal Control | Multiple Shooting and Time Domain Decomposition Methods, T. Carraro, M. Geiger, S. Koerkel, R. Rannacher (Eds.), pp. 263-287, 2015 |
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2014 |
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Christian Schulz, Christoph von Tycowicz, Hans-Peter Seidel, Klaus Hildebrandt | Animating Deformable Objects Using Sparse Spacetime Constraints | ACM Transactions on Graphics, 33(4), pp. 109:1-109:10, 2014 |
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Christoph von Tycowicz | Concepts and Algorithms for the Deformation, Analysis, and Compression of Digital Shapes | Doctoral thesis, Freie Universität Berlin, Konrad Polthier (Advisor), 2014 |
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Konrad Polthier, Alexander Bobenko, Klaus Hildebrandt, Ralf Kornhuber, Christoph von Tycowicz, Harry Yserentant, Günter M. Ziegler | Geometry processing | MATHEON - Mathematics for Key Technologies, EMS Publishing House, pp. 341-355, 2014, ISBN: 978-3-03719-137-8 |
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2013 |
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Christoph von Tycowicz, Christian Schulz, Hans-Peter Seidel, Klaus Hildebrandt | An Efficient Construction of Reduced Deformable Objects | ACM Transactions on Graphics, 32(6), pp. 213:1-213:10, 2013 |
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2012 |
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Klaus Hildebrandt, Christian Schulz, Christoph von Tycowicz, Konrad Polthier | Interactive spacetime control of deformable objects | ACM Transactions on Graphics, 31(4), pp. 71:1-71:8, 2012 |
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Klaus Hildebrandt, Christian Schulz, Christoph von Tycowicz, Konrad Polthier | Modal Shape Analysis beyond Laplacian | Computer Aided Geometric Design, 29(5), pp. 204-2018, 2012 |
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2011 |
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Christoph von Tycowicz, Felix Kälberer, Konrad Polthier | Context-based Coding of Adaptive Multiresolution Meshes | Computer Graphics Forum, 30(8), pp. 2231-2245, 2011 |
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Klaus Hildebrandt, Christian Schulz, Christoph von Tycowicz, Konrad Polthier | Interactive surface modeling using modal analysis | ACM Transactions on Graphics, 30(5), pp. 119:1-119:11, 2011 (preprint available as ) |
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2010 |
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Klaus Hildebrandt, Christian Schulz, Christoph von Tycowicz, Konrad Polthier | Eigenmodes of Surface Energies for Shape Analysis | Advances in Geometric Modeling and Processing (Proceedings of Geometric Modeling and Processing 2010), Vol.6130, pp. 296-314, Bernard Mourrain, Scott Schaefer, Guoliang Xu (Eds.), Springer Berlin / Heidelberg, 2010 |
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2009 |
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Felix Kälberer, Christoph von Tycowicz, Konrad Polthier | Lossless Compression of Adaptive Multiresolution Meshes | XXII Brazilian Symposium on Computer Graphics and Image Processing, pp. 80-87, 2009 |
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2008 |
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Christoph von Tycowicz, Jörn Loviscach | Measuring and Enhancing the Legibility of GPU-rendered Text | Eurographics 2008 Short Papers, pp. 45-48, 2008 |
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2007 |
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Chris Greenhalgh, Steve Benford, Adam Drozd, Martin Flintham, Alastair Hampshire, Leif Oppermann, Keir Smith, Christoph von Tycowicz | Addressing Mobile Phone Diversity in Ubicomp Experience Development | UbiComp 2007: Ubiquitous Computing, 9th International Conference, pp. 447-464, Vol.4717, Lecture Notes in Computer Science, 2007 |
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Chris Greenhalgh, Steve Benford, Adam Drozd, Martin Flintham, Alastair Hampshire, Leif Oppermann, Keir Smith, Christoph von Tycowicz | EQUIP2: A Platform for Mobile Phone-based Game Development | Concepts and Technologies for Pervasive Games - A Reader for Pervasive Gaming Research, Shaker Verlag, pp. 153-178, 2007, ISBN: 978-3-8322-6223-5 |
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Leif Oppermann, R. Jacobs, M. Watkins, R. Shackford, Christoph von Tycowicz, M. Wright, M. Capra, Chris Greenhalgh, Steve Benford | Love City: A Text-Driven, Location-Based Mobile Phone Game Played Between 3 Cities | Pervasive Gaming Applications - A Reader for Pervasive Gaming Research, Shaker Verlag, pp. 285-312, 2007, ISBN: 978-3-8322-6224-2 |
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