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Nonuniqueness in diffusion-based optical tomography
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DOI：10.1364/OL.23.000882.png)
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Abstract
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A condition on nonuniqueness in optical tomography is stated. The main result applies to steady-state (dc) diffusion-based optical tomography, wherein we demonstrate that simultaneous unique recovery of diffusion and absorption coefficients cannot be achieved. A specific example of two images that give identical de data is presented. If the refractive index is considered an unknown, then nonuniqueness also occurs in frequency-domain and time-domain optical tomography, if the underlying model of the diffusion approximation is employed. (C) 1998 Optical Society of America.
Keywords:
UNIQUENESS
BOUNDARY
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3.3
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4.0W
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