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Resolution considerations in spatially variant sensors

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conference contribution
posted on 1996-01-01, 00:00 authored by F Lim, Svetha VenkateshSvetha Venkatesh, G West
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

History

Pagination

795 - 799

Location

Vienna, Austria

Open access

  • Yes

Start date

1996-08-25

End date

1996-08-29

ISBN-10

081867282X

Language

eng

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.

Publication classification

E1.1 Full written paper - refereed

Copyright notice

1996, IEEE

Title of proceedings

ICPR 1996 : Proceedings of the 13th international Conference on Pattern Recognition

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