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Journal of Real-Time Image Processing

, Volume 9, Issue 1, pp 205–216 | Cite as

Real-time detection of lines using parallel coordinates and CUDA

  • Jiří Havel
  • Markéta DubskáEmail author
  • Adam Herout
  • Radovan Jošth
Special Issue

Abstract

The Hough transform is a well-known and popular algorithm for detecting lines in raster images. The standard Hough transform is rather slow to be usable in real time, so different accelerated and approximated algorithms exist. This study proposes a modified accumulation scheme for the Hough transform, using a new parameterization of lines “PClines”. This algorithm is suitable for computer systems with a small but fast read-write memory, such as today’s graphics processors. The algorithm requires no floating-point computations or goniometric functions. This makes it suitable for special and low-power processors and special-purpose chips. The proposed algorithm is evaluated both on synthetic binary images and on complex real-world photos of high resolutions. The results show that using today’s commodity graphics chips, the Hough transform can be computed at interactive frame rates, even with a high resolution of the Hough space and with the Hough transform fully computed.

Keywords

Line detection Parallel coordinates CUDA implementation Hough transform Real-time detection 

Notes

Acknowledgments

This research was supported by the EU FP7-ARTEMIS project no. 100230 SMECY, by the research project CEZMSMT, MSM0021630528, and by the CEZMSMT project IT4I - CZ 1.05/1.1.00/02.0070.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Jiří Havel
    • 1
  • Markéta Dubská
    • 1
    Email author
  • Adam Herout
    • 1
  • Radovan Jošth
    • 1
  1. 1.Graph@FIT, Brno University of TechnologyBrnoCzech Republic

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