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Extraction of short latency evoked potentials using a combination of wavelets and evolutionary algorithms
TURNER S; PICTON P; CAMPBELL J
MED ENG PHYS , 2003, vol. 25, n° 5, p. 407-412 Doc n°: 109007 Localisation : Documentation IRR Descripteurs : AK4 - POTENTIELS EVOQUES Somatosensory evoked potentials, recorded at the spine or scalp of a patient, are contaminated by noise. It is common practice to use ensemble averaging to remove the noise, which usually requires a large number of responses to produce one averaged signal. In this paper a post-processing technique is shown which uses a combination of wavelets and evolutionary algorithms to produce a representative waveform with fewer responses. The most suitable wavelets and a set of weights are selected by an evolutionary algorithm to form a filter bank, which enhances the extraction of evoked potentials from noisy recordings. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 2003227105 |
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