Wavelet filter for noise reduction and signal compression in an artificial nose

Authors:
C. Zanchettin;T. B. Ludermir
Affiliations:
Federal University of Pernambuco, Center of Informatics, P.O. Box 7851-50.732-970, Cidade Universitária, Recife-PE, Brazil;Federal University of Pernambuco, Center of Informatics, P.O. Box 7851-50.732-970, Cidade Universitária, Recife-PE, Brazil
Venue:
Applied Soft Computing
Year:
2007

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Abstract

This work presents results of the use of a wavelet filter for noise reduction and data compression of signals generated by artificial nose sensors. To verify the performance of the wavelet analysis in the treatment of odor patterns, we compare two widely used artificial nose classifiers, multi-layer perceptron neural network and time delay neural network in the analysis of signals generated by eight conducting polymer sensors exposed to gases derived from the petroliferous industry.