Total variation regularization for manifold-valued data.
SIAM J. Imaging Sci. 7, 2226-2257 (2014)
We consider total variation minimization for manifold valued data. We propose a cyclic proximal point algorithm and a parallel proximal point algorithm to minimize TV functionals with $\ell^p$-type data terms in the manifold case. These algorithms are based on iterative geodesic averaging which makes them easily applicable to a large class of data manifolds. As an application, we consider denoising images which take their values in a manifold. We apply our algorithms to diffusion tensor images, interferometric SAR images as well as sphere and cylinder valued images. For the class of Cartan-Hadamard manifolds (which includes the data space in diffusion tensor imaging) we show the convergence of the proposed TV minimizing algorithms to a global minimizer.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Scopus
Cited By
Altmetric
Publication type
Article: Journal article
Document type
Scientific Article
Thesis type
Editors
Keywords
Diffusion Tensor Imaging ; Manifold-valued Data ; Proximal Point Algorithm ; Total Variation Minimization
Keywords plus
Language
english
Publication Year
2014
Prepublished in Year
HGF-reported in Year
2014
ISSN (print) / ISBN
1936-4954
e-ISSN
ISBN
Book Volume Title
Conference Title
Conference Date
Conference Location
Proceedings Title
Quellenangaben
Volume: 7,
Issue: 4,
Pages: 2226-2257
Article Number: ,
Supplement: ,
Series
Publisher
SIAM
Publishing Place
Philadelphia, Pa.
Day of Oral Examination
0000-00-00
Advisor
Referee
Examiner
Topic
University
University place
Faculty
Publication date
0000-00-00
Application date
0000-00-00
Patent owner
Further owners
Application country
Patent priority
Reviewing status
Peer reviewed
POF-Topic(s)
30505 - New Technologies for Biomedical Discoveries
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-551500-001
G-503800-001
Grants
Copyright
Erfassungsdatum
2014-10-24