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Doctoral Thesis
DOI
https://doi.org/10.11606/T.76.2003.tde-11092008-172109
Document
Author
Full name
Rodrigo Capobianco Guido
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2003
Supervisor
Committee
Slaets, Jan Frans Willem (President)
Andrade, Eliana Xavier Linhares de
Koberle, Roland
Machado, José Márcio
Silva Filho, Antonio Carlos Roque da
Title in Portuguese
Spikelet: uma nova transformada wavelet aplicada ao reconhecimento digital de padrões, em tempo real, de spikes e overlaps em sinais neurofisiológicos do campo visual da mosca
Keywords in Portuguese
DSP
Spike
Wavelet
Abstract in Portuguese
A presente tese descreve a construção de uma nova transformada wavelet, aqui chamada de SPIKELET, que, combinada com um algoritmo proposto, é aplicada no reconhecimento computacional de padrões em spikes (picos) e spikes sobrepostos (overlaps) encontrados no sinal digitalizado correspondente às reações do neurônio H1 do cérebro de uma mosca de ordem Diptera, que é sensível aos estímulos visuais do meio externo. O algoritmo fornece, além do formato do sinal encontrado, o ''instante'' em que ele ocorreu, sendo que a implementação é feita, inclusive, em tempo-real, com o uso de um DSP.
Title in English
Spikelet: a novel wavelet-transform applied to digital, real-time, spike and overlap pattern recognition in neurophysiological signal of the fly´s visual system
Keywords in English
DSP
Spike
Wavelet
Abstract in English
This thesis describes the construction of a new wavelet transform, that is called SPIKELET, which is used together with a proposed algorithm, for spikes and overlaps pattern recognition, in a digitalized signal corresponding to the H1 visual neuron action potential from a Diptera's fly brain. The algorithm provides both the shape of the identified signal and the ''instant'' of time it happened. The implementation is also done in real time, using a DSP.
 
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RodrigoGuidoD.pdf (5.37 Mbytes)
Publishing Date
2009-11-21
 
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