Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/28519
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Type: Conference paper
Title: Effects of compressive non linearity on insect based motion detection
Author: Rajesh, S.
Straw, A.
O'Carroll, D.
Abbott, D.
Citation: Smart Structures, Devices, and Systems II / S. F. Al-Sarawi (ed.), pp.798-810
Publisher: SPIE
Publisher Place: Bellingham, Washington, USA
Issue Date: 2005
Series/Report no.: Proceedings of SPIE - The International Society for Optical Engineering ; 5649
ISBN: 0819456098
ISSN: 0277-786X
Conference Name: SPIE International Symposium on Smart Structures, Devices, and Systems II (2004 : Sydney, Australia)
Editor: Al Sarawi, S.
Statement of
Responsibility: 
Sreeja Rajesh, Andrew Straw, David C. O'Carroll, and Derek Abbott
Abstract: Motion detection and velocity estimation systems based on thestudy of insects tries to emulate the extraordinary visual systemof insects with the aim of coming up with low power, computationally simple, highly efficient and robust devices. The Reichardt correlator model is one of the earliest and the most prominent models of motion detection based on insect vision. In this paper we try to extend the Reichardt correlator model to include an additional non-linearity which has been seen to be present in the fly visual system and we study its effect on the contrast dependance of the response and also try to understand its influence on patternnoise. Experiments are carried out by adding this compressive non-linearity at different positions in the model as has been postulated by previous works and comparison of the physiological data withmodelling results is done.
Rights: Copyright © 2005 SPIE - The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
DOI: 10.1117/12.598177
Appears in Collections:Aurora harvest 6
Electrical and Electronic Engineering publications

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