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conference paper

Deep Micro-Dictionary Learning and Coding Network

Tang, Hao
•
Wei, Heng
•
Xiao, Wei
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January 1, 2019
2019 IEEE Winter Conference On Applications Of Computer Vision (Wacv)
19th IEEE Winter Conference on Applications of Computer Vision (WACV)

In this paper, we propose a novel Deep Micro-Dictionary Learning and Coding Network (DDLCN). DDLCN has most of the standard deep learning layers (pooling, fully, connected, input/output, etc.) but the main difference is that the fundamental convolutional layers are replaced by novel compound dictionary learning and coding layers. The dictionary learning layer learns an over-complete dictionary for the input training data. At the deep coding layer, a locality constraint is added to guarantee that the activated dictionary bases are close to each other. Next, the activated dictionary atoms are assembled together and passed to the next compound dictionary learning and coding layers. In this way, the activated atoms in the first layer can be represented by the deeper atoms in the second dictionary. Intuitively, the second dictionary is designed to learn the fine-grained components which are shared among the input dictionary atoms. In this way, a more informative and discriminative low-level representation of the dictionary atoms can be obtained. We empirically compare the proposed DDLCN with several dictionary learning methods and deep learning architectures. The experimental results on four popular benchmark datasets demonstrate that the proposed DDLCN achieves competitive results compared with state-of-the-art approaches.

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Type
conference paper
DOI
10.1109/WACV.2019.00047
Web of Science ID

WOS:000469423400040

Author(s)
Tang, Hao
Wei, Heng
Xiao, Wei
Wang, Wei  
Xu, Dan
Yan, Yan
Sebe, Nicu
Date Issued

2019-01-01

Publisher

IEEE

Publisher place

New York

Published in
2019 IEEE Winter Conference On Applications Of Computer Vision (Wacv)
ISBN of the book

978-1-7281-1975-5

Series title/Series vol.

IEEE Winter Conference on Applications of Computer Vision

Start page

386

End page

395

Subjects

Engineering, Electrical & Electronic

•

Engineering

•

face recognition

•

image

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CVLAB  
Event nameEvent placeEvent date
19th IEEE Winter Conference on Applications of Computer Vision (WACV)

Waikoloa Village, HI

Jan 07-11, 2019

Available on Infoscience
June 18, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/157933
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