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Optode positional calibration in diffuse optical tomography

Stott, JJ; Culver, JP; Arridge, SR; Boas, DA; (2003) Optode positional calibration in diffuse optical tomography. APPLIED OPTICS , 42 (16) 3154 - 3162.

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Abstract

Although diffuse optical tomography is a highly promising technique used to noninvasively image blood volume and oxygenation, the reconstructed data are sensitive to systemic differences between the forward model and the actual experimental conditions. In particular, small changes in optode location or in the optode-tissue coupling coefficient significantly degrade the quality of the reconstruction images. Accurate system calibration therefore is an essential part of any experimental protocol. We present a technique for simultaneously calibrating optode positions and reconstructing images that significantly improves image quality, as we demonstrate with simulations and phantom experiments. (C) 2003 Optical Society of America.

Type:Article
Title:Optode positional calibration in diffuse optical tomography
Location:MIAMI BEACH, FL
Keywords:PHOTON DENSITY WAVES, BREAST-TISSUE, SPECTROSCOPY, ABSORPTION, TIME, BRAIN
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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