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Sabrina Koetter

dblp:142/2777 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2013
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1Graphics, computer vision, multimedia, augmented reality and games · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Image and video processing · 87% Geometric modeling and processing · 13%
Theoretical computer science
1 paper
Mathematical optimization · 100%

Topics — the 4 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Image and video processing › regularization
total variation regularization
0.212013
Total Variation Regularization for Functions with Values in a Manifold · ICCV 2013
Image and video processing
variational methods
0.212013
Total Variation Regularization for Functions with Values in a Manifold · ICCV 2013
Mathematical optimization › continuous optimization
convex optimization
0.212013
Total Variation Regularization for Functions with Values in a Manifold · ICCV 2013
Mathematical optimization
convex relaxation
0.212013
Total Variation Regularization for Functions with Values in a Manifold · ICCV 2013

Methods — techniques the papers use, named apart from their topics

riemannian manifold optimization · 0.3multi-label optimization · 0.3
YearPublicationVenuePosition
2013 Total Variation Regularization for Functions with Values in a Manifold
abstract
While total variation is among the most popular regularizers for variational problems, its extension to functions with values in a manifold is an open problem. In this paper, we propose the first algorithm to solve such problems which applies to arbitrary Riemannian manifolds. The key idea is to reformulate the variational problem as a multilabel optimization problem with an infinite number of labels. This leads to a hard optimization problem which can be approximately solved using convex relaxation techniques. The framework can be easily adapted to different manifolds including spheres and three-dimensional rotations, and allows to obtain accurate solutions even with a relatively coarse discretization. With numerous examples we demonstrate that the proposed framework can be applied to variational models that incorporate chromaticity values, normal fields, or camera trajectories.
Jan Lellmann, Evgeny Strekalovskiy, Sabrina Koetter, Daniel Cremers
ICCV3