Currently, there is only one example of a scattering medium for which the radiation scattering influence can be accurately taken into account. This is the proportional scattering medium. Single-photon emission computed tomography in a proportional scattering medium has been numerically simulated for a simple object (ellipse) and a complex object (Shepp–Logan phantom). The influence of the scattering on the reconstruction quality has been studied for various scattering medium proportionality coefficients and sizes of the object. The proportional scattering medium approximation can significantly improve the accuracy of the tomographic reconstruction in comparison with traditional analytical methods of reconstruction used in computed emission tomography.
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Translated from Meditsinskaya Tekhnika, Vol. 53, No. 5, Sep.-Oct., 2019, pp. 53-55.
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Tereshchenko, S.A., Lysenko, A.Y. Investigation of the Scattering Influence on the Quality of Image Reconstruction in Single-Photon Emission Computed Tomography in a Proportional Scattering Medium. Biomed Eng 53, 370–374 (2020). https://doi.org/10.1007/s10527-020-09945-x
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DOI: https://doi.org/10.1007/s10527-020-09945-x