Bergmann, Ronny; Herrmann, Marc; Herzog, Roland; Schmidt, Stephan; Vidal-Núñez, José Discrete total variation of the normal vector field as shape prior with applications in geometric inverse problems. (English) Zbl 07371364 Inverse Probl. 36, No. 5, Article ID 054003, 20 p. (2020). MSC: 65Kxx 94Axx 68Uxx 65Nxx 49Mxx PDFBibTeX XMLCite \textit{R. Bergmann} et al., Inverse Probl. 36, No. 5, Article ID 054003, 20 p. (2020; Zbl 07371364) Full Text: DOI arXiv
Bergmann, Ronny; Persch, Johannes; Steidl, Gabriele A parallel Douglas-Rachford algorithm for minimizing ROF-like functionals on images with values in symmetric Hadamard manifolds. (English) Zbl 1346.65006 SIAM J. Imaging Sci. 9, No. 3, 901-937 (2016). MSC: 65D18 94A08 65K05 90C26 65Y05 PDFBibTeX XMLCite \textit{R. Bergmann} et al., SIAM J. Imaging Sci. 9, No. 3, 901--937 (2016; Zbl 1346.65006) Full Text: DOI arXiv
Bergmann, Ronny; Weinmann, Andreas A second-order TV-type approach for inpainting and denoising higher dimensional combined cyclic and vector space data. (English) Zbl 1338.65155 J. Math. Imaging Vis. 55, No. 3, 401-427 (2016). MSC: 65K05 65K10 68U10 94A08 PDFBibTeX XMLCite \textit{R. Bergmann} and \textit{A. Weinmann}, J. Math. Imaging Vis. 55, No. 3, 401--427 (2016; Zbl 1338.65155) Full Text: DOI arXiv
Bačák, Miroslav; Bergmann, Ronny; Steidl, Gabriele; Weinmann, Andreas A second order nonsmooth variational model for restoring manifold-valued images. (English) Zbl 1382.94007 SIAM J. Sci. Comput. 38, No. 1, A567-A597 (2016). MSC: 94A08 49J52 49M37 49N45 53C21 65K10 PDFBibTeX XMLCite \textit{M. Bačák} et al., SIAM J. Sci. Comput. 38, No. 1, A567--A597 (2016; Zbl 1382.94007) Full Text: DOI arXiv