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Q-statistics in dynamic speckle pattern analysis
(Elsevier, 2012-06)
We introduce q statistics concepts to improve the performance of some methods based on the histogram to estimate dynamic speckle activity. It is shown that some improvements are obtained by choosing appropriate q values ...
Tuneable algorithms for tracking activity images in dynamic speckle applications
(Elsevier, 2020-06)
Herein we present a generalized algorithm for processing activity images. Existing algorithms are applicable only to particular cases, and a new, broader approach is therefore proposed here that is based on a set of tuneable ...
Determining the fractional topological charge shifting in perfect vortices from laser speckle
(Elsevier Science, 2019-06-15)
We demonstrate analytically, numerically, and experimentally that the fractional topological charge shifting in perfect vortices having a ring-shaped distribution is precisely determined by the correlation coefficient of ...
Innovative speckle noise reduction procedure in optical encryption
(Institute of Physics Publishing, 2017-05)
Encrypting techniques are currently of interest in the optical domain. A common issue when using coherent techniques is speckle noise which influences the final results. Most efforts to solve this issue were directed towards ...
Utilidad del “speckle tracking” en pacientes no oncológicos
(Sociedad Colombiana de CardiologiaRevista Colombiana de Cardiología, 2019)
La evaluación de la función sistólica es fundamental para la toma de decisiones clínicas en cardiología. Los métodos actuales basados el cálculo de la Fracción de Eyección Ventricular Izquierda como parámetro de la función ...