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conference paper

Learning to Find Good Correspondences

Yi, Kwang Moo
•
Trulls Fortuny, Eduard  
•
Ono, Yuki
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2018
Proceedings of the 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Conference on Computer Vision and Pattern Recognition (CVPR)

We develop a deep architecture to learn to find good correspondences for wide-baseline stereo. Given a set of putative sparse matches and the camera intrinsics, we train our network in an end-to-end fashion to label the correspondences as inliers or outliers, while simultaneously using them to recover the relative pose, as encoded by the essential matrix. Our architecture is based on a multi-layer perceptron operating on pixel coordinates rather than directly on the image, and is thus simple and small. We introduce a novel normalization technique, called Context Normalization, which allows us to process each data point separately while embedding global information in it, and also makes the network invariant to the order of the correspondences. Our experiments on multiple challenging datasets demonstrate that our method is able to drastically improve the state of the art with little training data.

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Type
conference paper
DOI
10.1109/CVPR.2018.00282
Author(s)
Yi, Kwang Moo
Trulls Fortuny, Eduard  
Ono, Yuki
Lepetit, Vincent
Salzmann, Mathieu
Fua, Pascal  
Date Issued

2018

Published in
Proceedings of the 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Total of pages

9

Start page

2666

End page

2674

Subjects

stereo

•

outlier rejection

•

sparse matching

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CVLAB  
Event nameEvent placeEvent date
Conference on Computer Vision and Pattern Recognition (CVPR)

Salt Lake City, Utah, USA

June 18-22, 2018

Available on Infoscience
March 25, 2018
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/145776
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