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Spatio-temporal information in an artificial olfactory mucosa
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Sanchez-Montanes, Manuel A., Gardner, J. W. and Pearce, T. C. (2008) Spatio-temporal information in an artificial olfactory mucosa. Royal Society of London. Proceedings A. Mathematical, Physical and Engineering Sciences, Vol.464 (No.2092). pp. 1057-1077. doi:10.1098/rspa.2007.0140 ISSN 1364-5021.
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Official URL: http://dx.doi.org/10.1098/rspa.2007.0140
Abstract
Deploying chemosensor arrays in close proximity to stationary phases imposes stimulus-dependent spatio-temporal dynamics on their response and leads to improvements in complex odour discrimination. These spatio-temporal dynamics need to be taken into account explicitly when considering the detection performance of this new odour sensing technology, termed an artificial olfactory mucosa. For this purpose, we develop here a new measure of spatio-temporal information that combined with an analytical model of the artificial mucosa, chemosensor and noise dynamics completely characterizes the discrimination capability of the system. This spatio-temporal information measure allows us to quantify the contribution of both space and time to discrimination performance and may be used as part of optimization studies or calculated directly from an artificial mucosa output. Our formal analysis shows that exploiting both space and time in the mucosa response always outperforms the use of space alone and is further demonstrated by comparing the spatial versus spatio-temporal information content of mucosa experimental data. Together, the combination of the spatio-temporal information measure and the analytical model can be applied to extract the general principles of the artificial mucosa design as well as to optimize the physical and operating parameters that determine discrimination performance.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Chemical detectors -- Automatic control, Olfactometry, Olfactory mucosa, Information theory | ||||
Journal or Publication Title: | Royal Society of London. Proceedings A. Mathematical, Physical and Engineering Sciences | ||||
Publisher: | The Royal Society Publishing | ||||
ISSN: | 1364-5021 | ||||
Official Date: | 8 April 2008 | ||||
Dates: |
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Volume: | Vol.464 | ||||
Number: | No.2092 | ||||
Number of Pages: | 21 | ||||
Page Range: | pp. 1057-1077 | ||||
DOI: | 10.1098/rspa.2007.0140 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Funder: | Spain. Ministerio de Educación y Ciencia (MEC), Madrid (Spain : Region) | ||||
Grant number: | BFU2006-07902/BFI (MEC), PRICIT 5-SEM-0255-2006 (CAM) |
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