A Rodríguez-Cuevas, ER Peña… - … of biomedical optics, 2017 - spiedigitallibrary.org
Different low-cost approaches based on fiber specklegram sensors are employed to measure the physiological activity of patients lying in bed. This study is conducted over 20 …
J Herbst, P Vrancken - Applied Optics, 2016 - opg.optica.org
The low-biased, fast, airborne, short-range, and range-resolved determination of atmospheric wind speeds plays a key role in wake vortex and turbulence mitigation …
PJ Pinzón, DS Montero, A Tapetado… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
In this work, a novel method for cost-effective remote sensing of microvibrations is presented. The proposed technique detects periodical changes in the spatial distribution of …
Light propagation in optical fibers is accompanied by random omnidirectional scattering. The small fraction of coherent guided light that escapes outside the cladding of the fiber …
E Fujiwara, LE da Silva, HE de Freitas… - … Optics and Photonics …, 2018 - ieeexplore.ieee.org
An optical fiber chemical sensor based on the analysis of the projected specklegram characteristics is presented. The multimode no-core fiber is surrounded by the assessed …
Y Liu, Y Hu, Y Li, Q Qin, G Li, ZW Tan… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
An image compression-encryption scheme utilizing the combination of fiber specklegram- based compressive sensing (CS) and double random phase encoding (DRPE) was …
L Reyes-González, L Rodríguez-Cobo… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
The ballistocardiogram (BCG) is a graphic representation of the movements of the body associated with cardiac activity. In this article, a 10-min BCG has been captured for ten …
PJ Pinzón, DS Montero, A Tapetado… - … on Optical Fibre …, 2016 - spiedigitallibrary.org
A novel speckle-based method for sensing frequency vibration is demonstrated in a reflective configuration. By employing a visible dual-wavelength approach it is also possible …
Q Qin, Y Liu, Z Tan, M Wang, F Yan - Optik, 2020 - Elsevier
Compressive sensing (CS) is a recently developed theory which allows reconstruction of sparse signals with the number of measurements much lower than that required by the …