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Exploiting Prior 2 Dimensional or 3 Dimensional Spatial Information for Diffuse Optical Imaging

Ang Li, Quan Zhang, Thomas J. Brukilacchio, and David A. Boas

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Abstract

We include x-ray images as priory information into the DOT image reconstruction.. The way of imposing the x-ray constraint is a variant of Tikhonov regularization in which spatial variance is allowed in the value of regularization parameter. The information of the spatial variance is based on the x-ray 3-D image. Simulations show the images’ resolution is improved with x-ray soft constraint.

© 2002 Optical Society of America

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