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http://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1141| Impact of velocity distribution assumption on simplified laser speckle imaging equation | |
| JULIO CESAR RAMIREZ SAN JUAN RUBEN RAMOS GARCIA ILEANA GUIZAR ITURBIDE GABRIEL CONSTANTINO MARTINEZ NICONOFF | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| Since blood flow is tightly coupled to the health status of biological tissue, several instruments have been developed to monitor blood flow and perfusion dynamics. One such instrument is laser speckle imaging. The goal of this study was to evaluate the use of two velocity distribution assumptions (Lorentzian- and Gaussian-based) to calculate speckle flow index (SFI) values. When the normalized autocorrelation function for the Lorentzian and Gaussian velocity distributions satisfy the same definition of correlation time, then the same velocity range is predicted for low speckle contrast (0 < C < 0.6) and predict different flow velocity range for high contrast. Our derived equations form the basis for simplified calculations of SFI values. | |
| Optics Express | |
| 2008-03 | |
| Artículo | |
| Inglés | |
| Estudiantes Investigadores Público en general | |
| Ramirez San Juan, J. C., et al., (2008). Impact of velocity distribution assumption on simplified laser speckle imaging equation, Optics Express. Vol.16(5):3197-3203 | |
| LÁSERES | |
| Versión aceptada | |
| acceptedVersion - Versión aceptada | |
| Aparece en las colecciones: | Artículos de Óptica |
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| 28_Impact of velocity distribution.pdf | 279.86 kB | Adobe PDF | Visualizar/Abrir |