Unobtrusive monitoring of heart rate using a cost-effective speckle-based SI-POF remote sensor

P. J. Pinzón; D. S. Montero; A. Tapetado; C. Vázquez

doi:10.1117/12.2255060

3 March 2017 Unobtrusive monitoring of heart rate using a cost-effective speckle-based SI-POF remote sensor

P. J. Pinzón, D. S. Montero, A. Tapetado, C. Vázquez

Proceedings Volume 10063, Dynamics and Fluctuations in Biomedical Photonics XIV; 1006305 (2017) https://doi.org/10.1117/12.2255060
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

A novel speckle-based sensing technique for cost-effective heart-rate monitoring is demonstrated. This technique detects periodical changes in the spatial distribution of energy on the speckle pattern at the output of a Step-Index Polymer Optical Fiber (SI-POF) lead by using a low-cost webcam. The scheme operates in reflective configuration thus performing a centralized interrogation unit scheme. The prototype has been integrated into a mattress and its functionality has been tested with 5 different patients lying on the mattress in different positions without direct contact with the fiber sensing lead.

Conference Presentation

Citation Download Citation

P. J. Pinzón, D. S. Montero, A. Tapetado, and C. Vázquez "Unobtrusive monitoring of heart rate using a cost-effective speckle-based SI-POF remote sensor", Proc. SPIE 10063, Dynamics and Fluctuations in Biomedical Photonics XIV, 1006305 (3 March 2017); https://doi.org/10.1117/12.2255060

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