Intensifying Brillouin distributed fibre sensors using image processing

Image processing is proposed to enhance the performance of Brillouin distributed fibre sensors. The technique exploits the two-dimensional nature of the measurements, so that each frequency-position pair is assimilated to a pixel of a noisy image. Based on the level of redundancy existing in the two-dimensional information, the method offers unmatched denoising capabilities when compared to classic unidimensional denoising methods, even if those ones are consecutively used in distance and frequency domains. With no modification of the basic configuration, up to ~14 dB SNR improvement is experimentally demonstrated with unobservable loss of spatial resolution. A figure-of-merit of 115’000 is verified.


Published in:
Proc. SPIE, 9634, 96342D
Presented at:
24th International Conference on Optical Fibre Sensors, Cutitiba, Brazil, September 28-October 2, 2015
Year:
2015
Publisher:
Bellingham, SPIE
ISBN:
978-1-62841-839-2
Keywords:
Note:
Postdeadline paper
Laboratories:




 Record created 2015-10-22, last modified 2018-03-17

Publisher's version:
Download fulltextPDF
External link:
Download fulltextURL
Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)