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2 November 2011 Validation of a new algorithm for the recovery of optical properties from turbid samples: GA-MCML against IAD program
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Abstract
Determining optical properties of turbid media has been performed by many research groups using a technique based on iteratively solving the radiative transport equation using the adding doubling technique (IAD). We present a new, alternative method, GA-MCML, for determining optical properties based on a Monte Carlo tech- nique for radiative transport (MCML) guided by a genetics algorithm. The Monte Carlo method is more exible than the adding-doubling technique and can be adapted to a wider range of sample geometries. The genetic algorithm is a robust search technique that is well-adapted to avoiding the local minima in this optimization problem. GA-MCML, has been implemented by modifying the MCML source code to account for two common experimental problems: light losses due to the nite sample size and non-linear integrating sphere eects using Mott's equations. GA-MCML was validated by comparing with IAD method for data acquired at 632.8 nm on a set of phantoms using a single integrating sphere system. The GA-MCML results were equivalent to the IAD technique.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
B. Morales Cruzado, S. A. Prahl, J. A. Delgado Atencio, and S. Vázquez y Montiel "Validation of a new algorithm for the recovery of optical properties from turbid samples: GA-MCML against IAD program", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80118O (2 November 2011); https://doi.org/10.1117/12.902151
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