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Classification performance of carbon black-polymer composite vapor detector arrays as a function of array size and detector composition

Burl, Michael C. and Sisk, Brian C. and Vaid, Thomas P. and Lewis, Nathan S. (2002) Classification performance of carbon black-polymer composite vapor detector arrays as a function of array size and detector composition. In: Detection and Remediation Technologies for Mines and Minelike Targets VII. Proceedings of SPIE. No.4742. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 520-531. ISBN 0819444928. https://resolver.caltech.edu/CaltechAUTHORS:20180723-114137961

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Abstract

The vapor classification performance of arrays of conducting polymer composite vapor detectors has been evaluated as a function of the number and type of detectors in an array. Quantitative performance comparisons were facilitated by challenging a collection of detector arrays with vapor discrimination tasks that were sufficiently difficult that at least some of the arrays did not exhibit perfect classification ability for all of the tasks of interest. For nearly all of the discrimination tasks investigated in this work, classification performance either increased or did not significantly decrease as the number of chemically different detectors in the array increased. Any given subset of the full array of detectors, selected because it yielded the best classification performance at a given array size for one particular task, was invariably outperformed by a different subset of detectors, and by the entire array, when used in at least one other vapor discrimination task. Arrays of detectors were nevertheless identified that yielded robust discrimination performance between compositionally close mixtures of 1-propanol and 2-propanol, n-hexane and n-heptane, and meta-xylene and para-xylene, attesting to the excellent analyte classification performance that can be obtained through the use of such semi-selective vapor detector arrays.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.479125DOIArticle
ORCID:
AuthorORCID
Lewis, Nathan S.0000-0001-5245-0538
Additional Information:© 2002 Society of Photo-Optical Instrumentation Engineers (SPIE). We acknowledge the NIH and an Army MURI for their generous support of this work.
Funders:
Funding AgencyGrant Number
NIHUNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
Subject Keywords:vapor detectors, detector array size
Series Name:Proceedings of SPIE
Issue or Number:4742
DOI:10.1117/12.479125
Record Number:CaltechAUTHORS:20180723-114137961
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180723-114137961
Official Citation:Michael C. Burl, Brian C. Sisk, Thomas P. Vaid, Nathan Saul Lewis, "Classification performance of carbon black-polymer composite vapor detector arrays as a function of array size and detector composition", Proc. SPIE 4742, Detection and Remediation Technologies for Mines and Minelike Targets VII, (13 August 2002); doi: 10.1117/12.479125; https://doi.org/10.1117/12.479125
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88131
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:23 Jul 2018 19:43
Last Modified:16 Nov 2021 00:24

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