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Proceedings Paper

Safe and private pedestrian detection by a low-cost fiber optic specklegram
Author(s): A. Rodriguez-Cuevas; L. Rodriguez-Cobo; M. Lomer; J. M. Lopez-Higuera
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Paper Abstract

Surveillance is becoming more and more important in the recent years. In many cities, cameras have been set to look after parks, streets, roads, facilities and so on, however this fact is rising concerns about privacy. In this work, an alternative surveillance method which gather at once security and privacy has been propose and tested. Based on fiber optic specklegram technology; a system consisting of a fiber optic, a coherent light source and a photodetector has been placed under a carpet for detecting people walking over it and its accuracy, regarding measuring the steps, have been measured. Results suggest that using low exposed geometries along the carpet and basic processing methods, it is possible to detect with more than 95% of accuracy the number of steps done by the person walking over the carpet.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236F (23 April 2017); doi: 10.1117/12.2263440
Show Author Affiliations
A. Rodriguez-Cuevas, Univ. de Cantabria (Spain)
L. Rodriguez-Cobo, Univ. de Cantabria (Spain)
Instituto de Salud Carlos III (Spain)
M. Lomer, Univ. de Cantabria (Spain)
Instituto de Salud Carlos III (Spain)
J. M. Lopez-Higuera, Univ. de Cantabria (Spain)
Instituto de Salud Carlos III (Spain)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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