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PHOTON-MEASUREMENT DENSITY-FUNCTIONS .2. FINITE-ELEMENT-METHOD CALCULATIONS

ARRIDGE, SR; SCHWEIGER, M; (1995) PHOTON-MEASUREMENT DENSITY-FUNCTIONS .2. FINITE-ELEMENT-METHOD CALCULATIONS. APPL OPTICS , 34 (34) 8026 - 8037.

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Abstract

This paper presents a method to calculate photon-measurement density functions (PMDF's), which were introduced in Part 1 [Appl. Opt. 34, 7395-7409 (1995), for near-infrared imaging and spectroscopy in complex and inhomogeneous objects through the use of a finite-element model. PMDF's map the sensitivity of a measurement on the surface of an object to the perturbations of the optical parameters within the object. Data are presented for homogeneous and layered circular objects and for a complex two-dimensional model of a head. In particular the influence of the optical parameters on the shape of the PMDF and the distortions caused by boundary layers and complex inhomogeneties are investigated.

Type:Article
Title:PHOTON-MEASUREMENT DENSITY-FUNCTIONS .2. FINITE-ELEMENT-METHOD CALCULATIONS
Keywords:LIGHT TRANSPORT, DIFFUSION EQUATION, NEAR-INFRARED IMAGING, TIME RESOLVED, FINITE-ELEMENT METHOD
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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