Automatic recognition of coded targets based on a Hough transform and segment matching

Shortis, M, Seager, J, Robson, S and Harvey, E 2003, 'Automatic recognition of coded targets based on a Hough transform and segment matching', in Proceedings of Videometrics VII, California, USA, 21-22 January 2003, pp. 202-208.


Document type: Conference Paper
Collection: Conference Papers

Title Automatic recognition of coded targets based on a Hough transform and segment matching
Author(s) Shortis, M
Seager, J
Robson, S
Harvey, E
Year 2003
Conference name Proceedings of Electronic Imaging Science and Technology 2003
Conference location California, USA
Conference dates 21-22 January 2003
Proceedings title Proceedings of Videometrics VII
Publisher SPIE Vol. 5013
Place of publication California, USA
Start page 202
End page 208
Total pages 7
Abstract This paper will present details of a coded target system that employs a Hough transform and segment matching to automatically recognise and identify the targets in digital images. The code system is based on a square surrounding the central circular target and will be described at a level of detail that would allow the system to be readily duplicated. Predetection processes, developed to improve the success rate under unfavourable conditions, and the tests conducted to validate a correct target match will also be described. Finally, the paper will include some examples of the use of the coded targets, drawn from calibrations of digital still cameras and underwater stereo-video systems.
Subjects Photogrammetry and Remote Sensing
Keyword(s) Target
digital image
segment match
Hough transform
automatic measurement,
code
Copyright notice c2003 SPIE
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