Simulation Model for Evaluation of Nonmonoenergeticity and Scattering Artifacts in Computer Tomography = Имитационная модель оценки артефактов немоноэнергетичности и рассеяния в компьютерной томографии / S. P. Osipov, Kh. D. Mirzoev, S. V. Chakhlov [et al.]
Уровень набора: Russian Journal of Nondestructive TestingЯзык: английский.Страна: .Резюме или реферат: A simulation model is proposed for evaluating nonmonoergeticity and scattering artifacts in computed tomography in parallel beam geometry using the example of inhomogeneous objects with axial symmetry. The modeling algorithm consists of a block for generating projections and a block for reconstructing images of sections of an object based on the inverse Abel transform. The developed algorithm is implemented as a MathCad program. The efficiency of the algorithm and software is demonstrated by the example of a multilayer sphere. The closeness of the model and experimental estimates of the radial distributions of the linear radiation attenuation coefficient is proved..Примечания о наличии в документе библиографии/указателя: [References: 55 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | X-ray radiation | X-ray computed tomography | linear attenuation coefficient | nonmonoenergeticity artifact | scattering artifact | simulation Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 55 tit.]
A simulation model is proposed for evaluating nonmonoergeticity and scattering artifacts in computed tomography in parallel beam geometry using the example of inhomogeneous objects with axial symmetry. The modeling algorithm consists of a block for generating projections and a block for reconstructing images of sections of an object based on the inverse Abel transform. The developed algorithm is implemented as a MathCad program. The efficiency of the algorithm and software is demonstrated by the example of a multilayer sphere. The closeness of the model and experimental estimates of the radial distributions of the linear radiation attenuation coefficient is proved.
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