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Matthias Rock

dblp:230/1408 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2018
—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.

Artificial intelligence
1 paper
Face, body and person analysis · 44% Deep learning architectures and training · 44% 3D vision · 13%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Computer vision › Face, body and person analysis
face alignment
0.312018
Robust Facial Landmark Detection via a Fully-Convolutional Local-Global Context Network · CVPR 2018
Machine learning › Deep learning architectures and training › convolutional neural network › convolutional neural network architecture
fully convolutional network
0.312018
Robust Facial Landmark Detection via a Fully-Convolutional Local-Global Context Network · CVPR 2018
Computer vision › 3D vision › 3d shape representation
shape model
0.112018
Robust Facial Landmark Detection via a Fully-Convolutional Local-Global Context Network · CVPR 2018

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

dilated convolution · 0.3PCA shape model · 0.3
YearPublicationVenuePosition
2018 Robust Facial Landmark Detection via a Fully-Convolutional Local-Global Context Network
abstract
While fully-convolutional neural networks are very strong at modeling local features, they fail to aggregate global context due to their constrained receptive field. Modern methods typically address the lack of global context by introducing cascades, pooling, or by fitting a statistical model. In this work, we propose a new approach that introduces global context into a fully-convolutional neural network directly. The key concept is an implicit kernel convolution within the network. The kernel convolution blurs the output of a local-context subnet, which is then refined by a global-context subnet using dilated convolutions. The kernel convolution is crucial for the convergence of the network because it smoothens the gradients and reduces overfitting. In a postprocessing step, a simple PCA-based 2D shape model is fitted to the network output in order to filter outliers. Our experiments demonstrate the effectiveness of our approach, outperforming several state-of-the-art methods in facial landmark detection.
Daniel Merget, Matthias Rock, Gerhard Rigoll
CVPR2