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String kernels for complex time-series : counting targets from sensed movement
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Damoulas, Theodoros, He, Jin, Bernstein, Richard, Gomes, Carla P. and Arora, Anish (2014) String kernels for complex time-series : counting targets from sensed movement. In: 22nd International Conference on Pattern Recognition (ICPR), 2014 , Stockholm, 24-28 Aug 2014. Published in: 22nd International Conference on Pattern Recognition (ICPR), 2014 pp. 4429-4434. doi:10.1109/ICPR.2014.758
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WRAP_1472826-cs-100416-damoulas_icpr2014.pdf - Accepted Version - Requires a PDF viewer. Download (4005Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/ICPR.2014.758
Abstract
Complex (imaginary) signals arise commonly in the field of communications in the form of time series in the complex space. In this work we propose a symbolic approach for such signals based on string kernels derived from a complex SAX representation and apply it to a challenging counting problem. Our approach, that we call cStrings, is within a Gaussian process regression framework and outperforms established Fourier transforms and complex kernels, achieving a correlation coefficient of 0.985 when predicting the number of targets sensed by a pulsed Doppler radar.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Library of Congress Subject Headings (LCSH): | Telecommunication, Kernel functions | ||||
Journal or Publication Title: | 22nd International Conference on Pattern Recognition (ICPR), 2014 | ||||
Publisher: | IEEE | ||||
Book Title: | 2014 22nd International Conference on Pattern Recognition | ||||
Official Date: | 2014 | ||||
Dates: |
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Page Range: | pp. 4429-4434 | ||||
DOI: | 10.1109/ICPR.2014.758 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 18 April 2016 | ||||
Date of first compliant Open Access: | 19 April 2016 | ||||
Embodied As: | 1 | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 22nd International Conference on Pattern Recognition (ICPR), 2014 | ||||
Type of Event: | Conference | ||||
Location of Event: | Stockholm | ||||
Date(s) of Event: | 24-28 Aug 2014 | ||||
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