NDLI: A 4 × 4 Logarithmic Spike Timing Encoding Scheme for Olfactory Sensor Applications

Content Provider	IEEE Xplore Digital Library
Author	Guo, B. Bermak, A. Ambard, M. Martinez, D.
Copyright Year	2007
Description	Author affiliation: Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon (Guo, B.; Bermak, A.)
Abstract	This paper presents a 4 times 4 logarithmic spike-timing encoding scheme used to translate the output of an integrated tin oxide gas sensor array into spike sequence, which is exploited to perform gas recognition. Hydrogen, ethanol and carbon monoxide were used to characterize the gas sensor array. The collected data were then used to test the proposed circuit for spike encoding and gas recognition. Simulation results illustrate that a particular analyte gas generates a unique spike pattern with certain spike ordering sequence, which is independent of the gas concentration. This unique spike sequence can thus be used to recognize different gases. In addition, the concentration information can also be extracted from the time-to-the-first spike in the sequence making it possible to perform not only gas/odor recognition but quantification as well.
Starting Page	3554
Ending Page	3557
File Size	892723
Page Count	4
File Format	PDF
ISBN	1424409209
DOI	10.1109/ISCAS.2007.378450
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Timing Encoding Olfactory Sensor arrays Gas detectors Circuit testing Sensor phenomena and characterization Tin Hydrogen Ethanol Spike Sequence Logarithmic Spike Timing Tin Oxide Gas Sensor Array
Content Type	Text
Resource Type	Article

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