Iteration algorithm to correct absorption in PET

One of the difficulties arising in PET is attenuation of emission projection data. The most difficult situation arises in the cases in which no information as to the distribution of the absorption coefficient is available. It is this case that is considered in the present paper. A new approach to th...

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Veröffentlicht in:	IEEE transactions on nuclear science 2001-02, Vol.48 (1), p.82-88
Hauptverfasser:	Pickalov, V.V., Likhachov, A.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Algorithms Approximation theory Attenuation Computer simulation Emission Energy absorption Equations Humans Iterative methods Mathematical models Medical diagnosis Numerical simulation Operators Plasma applications Plasma diagnostics Positron emission Positron emission tomography Projection Single photon emission computed tomography Statistical methods
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