Relation between computed tomography and diffraction tomography |
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Authors: | Gbur G Wolf E |
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Affiliation: | Department of Physics and Astronomy, University of Rochester, New York 14627-0171, USA. |
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Abstract: | The relationship between computed tomography (CAT) and diffraction tomography (DT) is investigated. A simple condition with a clear physical meaning is derived for the applicability of CAT. Corrections due to scattering are incorporated into CAT, and it is shown that the effect of scattering may be characterized by a two-dimensional fractional Fourier transform. The implications of these results for the three-dimensional imaging of weakly scattering objects are also discussed. |
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