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Application of manifold learning algorithms to improve the classification performance of an electronic nose

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hdl:2117/191406

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León Medina, Jersson XavierMés informacióMés informació
Anaya Vejar, Maribel
Pozo Montero, FrancescMés informacióMés informacióMés informació
Tibaduiza Burgos, Diego Alexander
Document typeConference report
Defense date2019
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The problem of classification and the use of robust methodologies in electronic nose sensor arrays applications are still open. Among the several steps in the developed method- ologies, it is clear that feature extraction methods are one of the tools that allow improving the classification accuracy in this kind of sensors. As a contribution to solving this problem, in this work, a machine learning methodology is introduced to improve the signal processing and the development of methodologies in the classification task with electronic noses. The methodology considers a normalization to scale the data from the sensors, and four manifold learning algorithms were compared to reduce the dimensionality of the data at the input of the classification machine, these methods are Kernel PCA, Isomap, Laplacian Eigenmaps, and Locally Linear Embedding. The classifier used as a machine learning algorithm was K-NearestNeighbor (KNN) with Euclidean distance and one neighbor. To validate the methodology, a dataset of 3600 measurements that measured six volatile organic compounds is used. Holdout cross-validation approach was used to evaluate the proposed methodology, results showed the best classification accuracy of 98.33% was reached by Kernel PCA as a nonlinear feature extraction method. Finally, the influence in the number of dimensions used to reduce the data was determined to establish the correct number according to the best classification rate in the classification process.
CitationLeon-Medina, J. X. [et al.]. Application of manifold learning algorithms to improve the classification performance of an electronic nose. A: IEEE International Instrumentation and Measurement Technology Conference. "I2MTC 2020 - IEEE International Instrumentation and Measurement Technology Conference: Dubrovnik, Croatia: 25 - 28 May, 2020". Institute of Electrical and Electronics Engineers (IEEE), 2019, p. 1-6. 
URIhttp://hdl.handle.net/2117/191406
Publisher versionhttps://i2mtc2020.ieee-ims.org/
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  • CoDAlab - Control, Modelització, Identificació i Aplicacions - Ponències/Comunicacions de congressos [156]
  • Doctorat en Enginyeria Sísmica i Dinàmica Estructural - Ponències/Comunicacions de congressos [9]
  • Departament de Matemàtiques - Ponències/Comunicacions de congressos [996]
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