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Peter Ochs

Postdoc

Computer Vision Lab
Department of Computer Science
University of Freiburg
Germany


Office location:
Georges-Köhler-Allee, Building 052, Room 01-020
79110 Freiburg

Phone: +49 761-203-8280
E-Mail: Peter

Peter

Personal Publications Teaching Curriculum Vitae

2019
Journal
Non-smooth non-convex Bregman minimization: unification and new algorithms   PaperAbstrBregMin.pdf doi>
Peter Ochs, J. Fadili, Thomas Brox
Journal of Optimization Theory and Applications, 2019
 
2017

Others
Non-smooth Non-convex Bregman Minimization: Unification and new Algorithms   PaperAbstrBregMin.pdf
Peter Ochs, J. Fadili, Thomas Brox
Technical Report , arXiv:1707.02278 [math.OC], 2017
Local Convergence of the Heavy-ball Method and iPiano for Non-convex Optimization   Paperochs_iAM_arXiv2017.pdf
Peter Ochs
Technical Report , arXiv:1606.09070 [math.OC], 2017
 
2016
Journal
Techniques for gradient based bilevel optimization with nonsmooth lower level problems   Paper1602.07080v1.pdf doi>
Peter Ochs, R. Ranftl, Thomas Brox, T. Pock
Journal of Mathematical Imaging and Vision, 56(2): 175-194, Oct 2016

Conference
Robust interactive multi-label segmentation with an advanced edge detector   Papermueller-gcpr2016.pdf doi>
S. Müller, Peter Ochs, J. Weickert, N. Graf
German Conference on Pattern Recognition (GCPR), Springer, LNCS, Vol.9796: 117--128, 2016
FSI schemes: Fast semi-iterative solvers for PDEs and Optimisation Methods   Paperhafner-gcpr16.pdf doi>
D. Hafner, Peter Ochs, J. Weickert, M. Reißel, S. Grewenig
German Conference on Pattern Recognition (GCPR), Springer, LNCS, Vol.9796: 91--102, 2016

Others
Unifying abstract inexact convergence theorems for descent methods and block coordinate variable metric iPiano   Paperochs_abstr_conv_arXiv2016.pdf
Peter Ochs
Technical Report , arXiv:1602.07283 [math.OC], 2016
 
2015
Journal
On iteratively reweighted algorithms for non-smooth non-convex optimization in computer vision   PaperIRconvex.pdf doi>
Peter Ochs, Alexey Dosovitskiy, Thomas Brox, T. Pock
SIAM Journal on Imaging Sciences, 8(1): 331-372, 2015
iPiasco: Inertial Proximal Algorithm for strongly convex Optimization   Paperipiasco.pdf doi>
Peter Ochs, Thomas Brox, T. Pock
Journal of Mathematical Imaging and Vision, 53(2): 171-181, Oct 2015

Conference
Bilevel Optimization with Nonsmooth Lower Level Problems   Paperochs_ssvm2015_bilevel.pdf doi>
Peter Ochs, R. Ranftl, Thomas Brox, T. Pock
International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), Springer, LNCS, Vol.9087: 654--665, 2015

Others
Long Term Motion Analysis for Object Level Grouping and Nonsmooth Optimization Methods   Paperochs_PhDThesis.pdf doi>
Peter Ochs
PhD thesis from Albert-Ludwigs-Universität Freiburg, Mar 2015
 
2014
Journal
iPiano: Inertial Proximal Algorithm for Non-convex Optimization   Paperipiano.pdf doi>
Peter Ochs, Y. Chen, Thomas Brox, T. Pock
SIAM Journal on Imaging Sciences, 7(2): 1388-1419, 2014
Segmentation of moving objects by long term video analysis   Paperpami_moseg.pdf doi> Code/data
Peter Ochs, J. Malik, Thomas Brox
IEEE Transactions on Pattern Analysis and Machine Intelligence, 36(6): 1187 - 1200, Jun 2014
 
2013

Conference
An iterated L1 Algorithm for Non-smooth Non-convex Optimization in Computer Vision   PaperncitL1.pdf Code/data
Peter Ochs, Alexey Dosovitskiy, T. Pock, Thomas Brox
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2013
 
2012
Journal
Multiview deblurring for 3-D images from light sheet based fluorescence microscopy   doi> Code/data
Maja Temerinac-Ott, Olaf Ronneberger, Peter Ochs, W. Driever, Thomas Brox, Hans Burkhardt
IEEE Transactions on Image Processing, 21(4): 1863-1873, 2012

Conference
Hierarchy of Localized Random Forests for Video Annotation   PaperHRF_dagm2012.pdf
Naveen Shankar Nagaraja, Peter Ochs, Kun Liu, Thomas Brox
Pattern Recognition (Proc. DAGM), Springer, LNCS , 2012
Higher Order Motion Models and Spectral Clustering   Paperochs_cvpr2012.pdf Code/data
Peter Ochs, Thomas Brox
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2012
 
2011

Conference
Object segmentation in video: a hierarchical variational approach for turning point trajectories into dense regions   Paperochs_iccv2011.pdf Code/data
Peter Ochs, Thomas Brox
IEEE International Conference on Computer Vision (ICCV), 2011

Others
Multiview Deblurring for 3-D Images from Light Sheet based Fluorescence Microscopy - Supporting Online Material   PaperSupportingOnlineMaterial.pdf
Maja Temerinac-Ott, Olaf Ronneberger, Peter Ochs, W. Driever, Thomas Brox, Hans Burkhardt
Technical Report 266, University of Freiburg(266), 2011
Osmosis models for visual computing  
J. Weickert, K. Hagenburg, O. Vogel, M. Breuß, Peter Ochs
Technical Report , Department of Mathematics, Saarland University, 2011

Master Thesis

2010

Interpolation with Osmosis,
Applied Mathematics
Department of Computer Science and Mathematics
University of Saarland, Germany

Bachelor Thesis

2009

The Bruhat-Tits Tree of a Local Field,
Mathematics (Algebra)
Department of Computer Science and Mathematics
University of Saarland, Germany