Effects of nonlinear elaborations on the performance of a Reichardt correlator
Date
2004
Authors
Rajesh, S.
O'Carroll, D.
Abbott, D.
Editors
Faraone, L.
Varadan, V.K.
Varadan, V.K.
Advisors
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Conference paper
Citation
BioMEMS and Nanotechnology / Dan V. Nicolau, Uwe R. Muller, John M. Dell (eds.): pp.287-303
Statement of Responsibility
Sreeja Rajesh, David O'Carroll, and Derek Abbott
Conference Name
BioMEMS and Nanotechnology (1st : 2003 : Perth, Australia)
Abstract
Flying insects are capable of performing complex and extremely diffcult navigational tasks at high speeds withamazing ability. The neural computations underlying these complicated maneuvers and the motor activity ofthe insects have been extensively investigated in the last few decades. One the most important discoverywas that the motion detectors involved in the control of the optomotor responses are of the correlation type. In order to improve the velocity estimation by the Reichardt correlators, many scientists have come up withdifferent kinds of elaborations to the basic Reichardt correlator model.In this paper, we have expanded the Dror"s elaborated Reichardt model and we have included feedbackadaptation and saturation in our model and we have conducted a comparative study on the effects of theaddition of each elaboration on the performance of the model. The relative error in each case is also studied.
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Copyright © 2004 SPIE - The International Society for Optical Engineering