Studying the properties of the updating coefficients in the OSEM algorithm for iterative image reconstruction in PET

We have studied the properties of the pixel updating coefficients in the 2D ordered subsets expectation maximization (OSEM) algorithm for iterative image reconstruction in positron emission tomography, in order to address the problem of image quality degradation—a known property of the technique aft...

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Vydané v:	Computer methods and programs in biomedicine Ročník 99; číslo 3; s. 219 - 229
Hlavní autori:	Gaitanis, Anastasios, Kontaxakis, George, Spyrou, George, Panayiotakis, George, Tzanakos, George
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Ireland Elsevier Ireland Ltd 01.09.2010
Predmet:	Algorithms Humans Image Processing, Computer-Assisted - instrumentation Image Processing, Computer-Assisted - methods Image reconstruction Internal Medicine Models, Theoretical Monte Carlo Monte Carlo Method Ordered subsets expectation maximization Other Pixel updating coefficients Positron emission tomography Positron-Emission Tomography - instrumentation Positron-Emission Tomography - methods Software Statistics as Topic Monte Carlo Ordered subsets expectation maximization Positron emission tomography Image reconstruction Pixel updating coefficients
ISSN:	0169-2607, 1872-7565, 1872-7565
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