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Resolution considerations in spatially variant sensors

Lim, F. L., Venkatesh, S. and West, G. A. W. 1996, Resolution considerations in spatially variant sensors, in ICPR 1996 : Proceedings of the 13th international Conference on Pattern Recognition, IEEE, [Washington, D. C.], pp. 795-799.

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Title Resolution considerations in spatially variant sensors
Author(s) Lim, F. L.
Venkatesh, S.
West, G. A. W.
Conference name International Conference on Pattern Recognition (13th : 1996 : Vienna Austria)
Conference location Vienna, Austria
Conference dates 25-29 Aug. 1996
Title of proceedings ICPR 1996 : Proceedings of the 13th international Conference on Pattern Recognition
Editor(s) [Unknown]
Publication date 1996
Conference series International Conference on Pattern Recognition
Start page 795
End page 799
Total pages 5
Publisher IEEE
Place of publication [Washington, D. C.]
Keyword(s) space variant active vision
complex log mapping
tracking
raytracing
Summary Log polar transformations for space variant systems have been proposed and used in active vision research. The idea is to generate an image with a varying resolution over a wide angle field of view. The fovea is of high resolution and the periphery is of exponentially reduced resolution. The justifications for such a sensor are: (i) it provides high resolution and a wide viewing angle, (ii) feature invariance in the fovea simplifies foveation, and (iii) it allows multiresolution analysis. The receptor density of the human retina is very high, i.e. of the order of 106 receptors at the fovea. The question is, what resolution should space variant active vision systems have? Real visual sensors have been implemented but is the resolution produced high enough? This paper investigates the resolution requirements of a space variant sensor by simulation for a tracking system using raytracing
Notes This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
ISBN 081867282X
Language eng
Field of Research 089999 Information and Computing Sciences not elsewhere classified
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category E1.1 Full written paper - refereed
Copyright notice ©1996, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044806

Document type: Conference Paper
Collections: School of Information Technology
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