Projects
Projects as Member
Publications
2024
Joint Reconstruction and Segmentation in Undersampled 3D Knee MRI combining Shape Knowledge and Deep Learning
Physics in Medicine and Biology, 69(9), 2024
Andreas Kofler, Christian Wald, Christoph Kolbitsch, Christoph von Tycowicz, Felix Ambellan
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Ambellan, Felix, Dr.
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2023
Sasaki Metric for Spline Models of Manifold-Valued Trajectories
Computer Aided Geometric Design, Vol.104, p. 102220, 2023
Esfandiar Navayazdani, Felix Ambellan, Martin Hanik, Christoph von Tycowicz
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arXiv
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Ambellan, Felix, Dr.
arXiv
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2022
A Soft-Correspondence Approach to Shape-based Disease Grading with Graph Convolutional Networks
Proceedings of Machine Learning Research, pp. 85-95, Vol.194, 2022
Julius Mayer, Daniel Baum, Felix Ambellan, Christoph von Tycowicz
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Ambellan, Felix, Dr.
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Dynamic pressure analysis of novel interpositional knee spacer implants in 3D-printed human knee models
Scientific Reports, Vol.12, 2022
Korbinian Glatzeder, Igor Komnik, Felix Ambellan, Stefan Zachow, Wolfgang Potthast
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Ambellan, Felix, Dr.
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Efficient Riemannian Statistical Shape Analysis with Applications in Disease Assessment
Doctoral thesis, Freie Universität Berlin, Christof Schütte, Christoph von Tycowicz (Advisors), 2022
Felix Ambellan
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Ambellan, Felix, Dr.
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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
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
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arXiv
Ambellan, Felix, Dr.
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arXiv
Landmark-free Statistical Shape Modeling via Neural Flow Deformations
Medical Image Computing and Computer Assisted Intervention - MICCAI 2022, Vol.13432, Lecture Notes in Computer Science, 2022
David Lüdke, Tamaz Amiranashvili, Felix Ambellan, Ivan Ezhov, Bjoern Menze, Stefan Zachow
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arXiv
Ambellan, Felix, Dr.
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arXiv
On Gradient Formulas in an Algorithm for the Logarithm of the Sasaki Metric
ZIB-Report 22-12
Esfandiar Nava-Yazdani, Martin Hanik, Felix Ambellan, Christoph von Tycowicz
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Ambellan, Felix, Dr.
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SHREC 2022 Track on Online Detection of Heterogeneous Gestures
Computers and Graphics, Vol.107, pp. 241-251, 2022
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
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arXiv
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Ambellan, Felix, Dr.
arXiv
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2021
Establishment of a rolling-sliding test bench to analyze abrasive wear propagation of different bearing materials for knee implants
Applied Sciences, 11(4), 2021
Jessica Hembus, Felix Ambellan, Stefan Zachow, Rainer Bader
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Ambellan, Felix, Dr.
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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)
Felix Ambellan, Stefan Zachow, Christoph von Tycowicz
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arXiv
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Ambellan, Felix, Dr.
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arXiv
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Morphomatics: Geometric morphometrics in non-Euclidean shape spaces
2021
Felix Ambellan, Martin Hanik, Christoph von Tycowicz
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Ambellan, Felix, Dr.
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Rigid Motion Invariant Statistical Shape Modeling based on Discrete Fundamental Forms
Medical Image Analysis, Vol.73, 2021
Felix Ambellan, Stefan Zachow, Christoph von Tycowicz
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arXiv
Ambellan, Felix, Dr.
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arXiv
Towards novel osteoarthritis biomarkers: Multi-criteria evaluation of 46,996 segmented knee MRI data from the Osteoarthritis Initiative
PLOS One, 16(10), 2021
Alexander Tack, Felix Ambellan, Stefan Zachow
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Ambellan, Felix, Dr.
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Towards novel osteoarthritis biomarkers: Multi-criteria evaluation of 46,996 segmented knee MRI data from the Osteoarthritis Initiative (Supplementary Material)
PLOS One, 16(10), 2021
Alexander Tack, Felix Ambellan, Stefan Zachow
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Ambellan, Felix, Dr.
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VerSe: A Vertebrae labelling and segmentation benchmark for multi-detector CT images
Medical Image Analysis, Vol.73, 2021
Anjany Sekuboyina, Malek E. Husseini, Amirhossein Bayat, Maximilian Löffler, Hans Liebl, Hongwei Li, Giles Tetteh, Jan Kukačka, Christian Payer, Darko Štern, Martin Urschler, Maodong Chen, Dalong Cheng, Nikolas Lessmann, Yujin Hu, Tianfu Wang, Dong Yang, Daguang Xu, Felix Ambellan, Tamaz Amiranashvili, Moritz Ehlke, Hans Lamecker, Sebastian Lehnert, Marilia Lirio, Nicolás Pérez de Olaguer, Heiko Ramm, Manish Sahu, Alexander Tack, Stefan Zachow, Tao Jiang, Xinjun Ma, Christoph Angerman, Xin Wang, Kevin Brown, Alexandre Kirszenberg, Élodie Puybareau, Di Chen, Yiwei Bai, Brandon H. Rapazzo, Timyoas Yeah, Amber Zhang, Shangliang Xu, Feng Hou, Zhiqiang He, Chan Zeng, Zheng Xiangshang, Xu Liming, Tucker J. Netherton, Raymond P. Mumme, Laurence E. Court, Zixun Huang, Chenhang He, Li-Wen Wang, Sai Ho Ling, Lê Duy Huynh, Nicolas Boutry, Roman Jakubicek, Jiri Chmelik, Supriti Mulay, Mohanasankar Sivaprakasam, Johannes C. Paetzold, Suprosanna Shit, Ivan Ezhov, Benedikt Wiestler, Ben Glocker, Alexander Valentinitsch, Markus Rempfler, Björn H. Menze, Jan S. Kirschke
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Ambellan, Felix, Dr.
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2020
VerSe: A Vertebrae Labelling and Segmentation Benchmark for Multi-detector CT Images
arXiv, 2020
Anjany Sekuboyina, Amirhossein Bayat, Malek E. Husseini, Maximilian Löffler, Hongwei Li, Giles Tetteh, Jan Kukačka, Christian Payer, Darko Štern, Martin Urschler, Maodong Chen, Dalong Cheng, Nikolas Lessmann, Yujin Hu, Tianfu Wang, Dong Yang, Daguang Xu, Felix Ambellan, Tamaz Amiranashvili, Moritz Ehlke, Hans Lamecker, Sebastian Lehnert, Marilia Lirio, Nicolás Pérez de Olaguer, Heiko Ramm, Manish Sahu, Alexander Tack, Stefan Zachow, Tao Jiang, Xinjun Ma, Christoph Angerman, Xin Wang, Qingyue Wei, Kevin Brown, Matthias Wolf, Alexandre Kirszenberg, Élodie Puybareau, Alexander Valentinitsch, Markus Rempfler, Björn H. Menze, Jan S. Kirschke
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arXiv
Ambellan, Felix, Dr.
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arXiv
2019
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)
Felix Ambellan, Stefan Zachow, Christoph von Tycowicz
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Ambellan, Felix, Dr.
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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)
Felix Ambellan, Stefan Zachow, Christoph von Tycowicz
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Ambellan, Felix, Dr.
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Automated Hip Knee Ankle Angle Determination using Convolutional Neural Networks
Master's thesis, Otto-von-Guericke-Universität Magdeburg, Felix Ambellan, Alexander Tack, Stefan Zachow (Advisors), 2019
Henok Hagos Gidey
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Ambellan, Felix, Dr.
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Automated Segmentation of Knee Bone and Cartilage combining Statistical Shape Knowledge and Convolutional Neural Networks: Data from the Osteoarthritis Initiative
Medical Image Analysis, 52(2), pp. 109-118, 2019 (preprint available as ZIB-Report 19-06)
Felix Ambellan, Alexander Tack, Moritz Ehlke, Stefan Zachow
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Ambellan, Felix, Dr.
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Automated Segmentation of Knee Bone and Cartilage combining Statistical Shape Knowledge and Convolutional Neural Networks: Data from the Osteoarthritis Initiative (Supplementary Material)
Medical Image Analysis, 52(2), pp. 109-118, 2019 (OAI-ZIB dataset)
Felix Ambellan, Alexander Tack, Moritz Ehlke, Stefan Zachow
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Ambellan, Felix, Dr.
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Comparison of 2D and 3D CNNs for Classification of Knee MRI
Bachelor's thesis, Freie Universität Berlin, Alexander Tack, Felix Ambellan (Advisors), 2019
Mona Prendke
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Ambellan, Felix, Dr.
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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)
Felix Ambellan, Hans Lamecker, Christoph von Tycowicz, Stefan Zachow
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Ambellan, Felix, Dr.
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2018
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)
Christoph von Tycowicz, Felix Ambellan, Anirban Mukhopadhyay, Stefan Zachow
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Ambellan, Felix, Dr.
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Automated Segmentation of Knee Bone and Cartilage combining Statistical Shape Knowledge and Convolutional Neural Networks: Data from the Osteoarthritis Initiative
Medical Imaging with Deep Learning, 2018
Felix Ambellan, Alexander Tack, Moritz Ehlke, Stefan Zachow
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Ambellan, Felix, Dr.
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2017
Computerassistierte Auswahl und Platzierung von interpositionalen Spacern zur Behandlung früher Gonarthrose
Proceedings of the Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie (CURAC), pp. 106-111, Vol.16, 2017 (preprint available as ZIB-Report 17-72)
Robert Joachimsky, Felix Ambellan, Stefan Zachow
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Ambellan, Felix, Dr.
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Evaluating two methods for Geometry Reconstruction from Sparse Surgical Navigation Data
Proceedings of the Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie (CURAC), pp. 24-30, Vol.16, 2017 (preprint available as ZIB-Report 17-71)
Felix Ambellan, Alexander Tack, Dave Wilson, Carolyn Anglin, Hans Lamecker, Stefan Zachow
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Ambellan, Felix, Dr.
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Validation of three-dimensional models of the distal femur created from surgical navigation point cloud data for intraoperative and postoperative analysis of total knee arthroplasty
International Journal of Computer Assisted Radiology and Surgery, 12(12), pp. 2097-2105, 2017
David Wilson, Carolyn Anglin, Felix Ambellan, Carl Martin Grewe, Alexander Tack, Hans Lamecker, Michael Dunbar, Stefan Zachow
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Ambellan, Felix, Dr.
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