HoughNet: Integrating Near and Long-Range Evidence for Bottom-Up Object Detection

Creative Commons License

Samet N., Hicsonmez S., Akbaş E.

16th European Conference on Computer Vision, ECCV 2020, Glasgow, United Kingdom, 23 - 28 August 2020, vol.12370 LNCS, pp.406-423 identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 12370 LNCS
  • Doi Number: 10.1007/978-3-030-58595-2_25
  • City: Glasgow
  • Country: United Kingdom
  • Page Numbers: pp.406-423
  • Keywords: Bottom-up recognition, Hough transform, Image-to-image translation, Object detection, Voting
  • Middle East Technical University Affiliated: Yes


© 2020, Springer Nature Switzerland AG.This paper presents HoughNet, a one-stage, anchor-free, voting-based, bottom-up object detection method. Inspired by the Generalized Hough Transform, HoughNet determines the presence of an object at a certain location by the sum of the votes cast on that location. Votes are collected from both near and long-distance locations based on a log-polar vote field. Thanks to this voting mechanism, HoughNet is able to integrate both near and long-range, class-conditional evidence for visual recognition, thereby generalizing and enhancing current object detection methodology, which typically relies on only local evidence. On the COCO dataset, HoughNet’s best model achieves 46.4 AP (and 65.1 AP50), performing on par with the state-of-the-art in bottom-up object detection and outperforming most major one-stage and two-stage methods. We further validate the effectiveness of our proposal in another task, namely, “labels to photo” image generation by integrating the voting module of HoughNet to two different GAN models and showing that the accuracy is significantly improved in both cases. Code is available at https://github.com/nerminsamet/houghnet.