Deep Hough-Transform Line Priors

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

26 Citations (Scopus)

Abstract

Classical work on line segment detection is knowledge-based; it uses carefully designed geometric priors using either image gradients, pixel groupings, or Hough transform variants. Instead, current deep learning methods do away with all prior knowledge and replace priors by training deep networks on large manually annotated datasets. Here, we reduce the dependency on labeled data by building on the classic knowledge-based priors while using deep networks to learn features. We add line priors through a trainable Hough transform block into a deep network. Hough transform provides the prior knowledge about global line parameterizations, while the convolutional layers can learn the local gradient-like line features. On the Wireframe (ShanghaiTech) and York Urban datasets we show that adding prior knowledge improves data efficiency as line priors no longer need to be learned from data.

Original languageEnglish
Title of host publicationComputer Vision – ECCV 2020 - 16th European Conference, 2020, Proceedings
EditorsAndrea Vedaldi, Horst Bischof, Thomas Brox, Jan-Michael Frahm
Place of PublicationEuropean Conference on Computer Vision ECCV 2020: Computer Vision – ECCV 2020
PublisherSpringer
Pages323-340
Number of pages18
Volume12367
ISBN (Electronic)978-3-030-58542-6
ISBN (Print)978-3-030-58541-9
DOIs
Publication statusPublished - 2020

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume12367 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Bibliographical note

@article{lin2020deep,
title={Deep Hough-Transform Line Priors},
author={Lin, Yancong and Pintea, Silvia L and van Gemert, Jan C},
booktitle={EECV 2020},
year={2020}
}

Keywords

  • Global line prior
  • Hough transform
  • Line segment detection

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