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Detection of a general ellipse by an optical Hough transform.

Authors
  • Feng, L
  • Fainman, Y
Type
Published Article
Journal
Applied optics
Publication Date
Jun 10, 1992
Volume
31
Issue
17
Pages
3259–3262
Identifiers
DOI: 10.1364/AO.31.003259
PMID: 20725276
Source
Medline
License
Unknown

Abstract

A method to detect five parameters of an ellipse with an optical Hough transform is described. The method employs the Hough transform for detection of a straight line and for the one-dimensional analysis of the resultant parameter domain. This technique is also applied for detection of four parameters of a straight line segment (the two coordinates of the center, the length, and the orientation) by representing it as a particular case of an ellipse with one axis of zero length.

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