Use of log polar space for foveation and feature recognition
Use of log polar space for foveation and feature recognition
- Author(s): F.L. Lim ; G.A.W. West ; S. Venkatesh
- DOI: 10.1049/ip-vis:19971457
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- Author(s): F.L. Lim 1 ; G.A.W. West 1 ; S. Venkatesh 1
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View affiliations
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Affiliations:
1: Department of Computer Science, Curtin University of Technology, Perth, Australia
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Affiliations:
1: Department of Computer Science, Curtin University of Technology, Perth, Australia
- Source:
Volume 144, Issue 6,
December 1997,
p.
323 – 331
DOI: 10.1049/ip-vis:19971457 , Print ISSN 1350-245X, Online ISSN 1359-7108
The finding and maintaining of high accuracy foveation points for several types of recognised feature in log polar space such as a line, circular or elliptical arc is considered. Log polar space is preferred over cartesian space as it provides a high resolution and a wide viewing angle; feature invariance in the fovea simplifies foveation; it allows multi-resolution analysis; and rotation and scale are linear translations in log polar space.
Inspec keywords: feature extraction; image resolution; active vision; image recognition
Other keywords:
Subjects: Pattern recognition; Optical information, image and video signal processing; Computer vision and image processing techniques
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