A practical target recognition system for close range photogrammetry | Zendy

Shortis Mark R. | Zendy; Seager James W. | Zendy

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A practical target recognition system for close range photogrammetry

Author(s) -

Shortis Mark R.,

Seager James W.

Publication year - 2014

Publication title -

the photogrammetric record

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.638

H-Index - 51

eISSN - 1477-9730

pISSN - 0031-868X

DOI - 10.1111/phor.12070

Subject(s) - photogrammetry , computer science , coordinate system , computer vision , matching (statistics) , artificial intelligence , code (set theory) , transformation (genetics) , calibration , range (aeronautics) , computer graphics (images) , engineering , mathematics , biochemistry , statistics , chemistry , set (abstract data type) , gene , programming language , aerospace engineering

This paper presents details of a coded target system that employs polar coordinate transformation and segment matching to automatically recognise and identify targets in digital images. The code system is based on a square surrounding the central circular target and is described at a level of detail that would allow the system to be readily duplicated. Pre‐detection processes, developed to improve the success rate under unfavourable conditions, and the tests conducted to validate a correct target match, are described. Finally, the paper includes some examples of the use of the coded targets, drawn from a variety of calibration and measurement applications.

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