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Veith Röthlingshöfer

dblp:251/3415 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2019
0000-0002-1824-3153ORCID · reported

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

Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author

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.

Artificial intelligence
1 paper
Face, body and person analysis · 91% Graph learning · 9%

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

TopicWeightPapersLastEvidence papers
Computer vision › Face, body and person analysis
face clustering
0.412019
Self-supervised Face-Grouping on Graphs · ACM Multimedia 2019
Computer vision › Face, body and person analysis
face recognition
0.412019
Self-supervised Face-Grouping on Graphs · ACM Multimedia 2019
Computer vision › Face, body and person analysis › face recognition › face representation
face representation learning
0.412019
Self-supervised Face-Grouping on Graphs · ACM Multimedia 2019
Machine learning › Graph learning
graph neural network
0.112019
Self-supervised Face-Grouping on Graphs · ACM Multimedia 2019

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

self-supervised learning · 0.4graph neural network · 0.4clustering · 0.4
YearPublicationVenuePosition
2019 Self-supervised Face-Grouping on Graphs
abstract
We propose a novel self-supervised method for fine-tuning deep face representations called Face-Grouping on Graphs. We apply our method to automatic face grouping, where characters are to be separated based on their identity. To solve this problem, a graph structure with positive and negative edges over a set of face-tracks based on their temporal overlap and similarity constraints is in- duced, which requires no manual labor. We compute feature repre- sentations over sub-sequences of each track (sub-tracks) in order to obtain robust features whilst being able to utilize information contained in face variance. Each sub-track is given the ability to exchange information with adjacent sub-tracks via a typed graph neural network running over the induced graph. This allows us to push each representation in a direction in feature space that groups all representations of the same character together and separates representations of different characters. We show that our method is capable of improving clustering accuracy on popular video face clustering datasets The Big Bang Theory and Buffy the Vampire Slayer by 4.9% and 17.0% respectively compared to baseline performance, and 0.52% respective 5.55% com- pared to state-of-the-art methods. Additionally, we achieve 19.0% absolute increase in B3 F-Score on Harry Potter 1 (ACCIO) over other state-of-the-art unsupervised methods. We provide perfor- mance metrics on all episodes of The Big Bang Theory and Buffy the Vampire Slayer to enable further comparison in the future.
Veith Röthlingshöfer, Vivek Sharma 0001, Rainer Stiefelhagen
ACM Multimedia1