Alternating minimization algorithms for transmission tomography using energy detectors

Expectation-minimization algorithms for transmission tomography are extended to account for detectors that are modeled as integrating the energy of the incident X-ray photons. The resulting algorithm is guaranteed to monotonically increase the log likelihood functional. Both the expectation step and...

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Vydané v:	Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002 Ročník 1; s. 144 - 147 vol.1
Hlavní autori:	O'Sullivan, J.A., Snyder, D.L., Whiting, B.R.
Médium:	Konferenčný príspevok..
Jazyk:	English
Vydavateľské údaje:	IEEE 2002
Predmet:	Data models Extraterrestrial measurements Image reconstruction Minimization methods Physics Radiology Single photon emission computed tomography X-ray detection X-ray detectors X-ray imaging
ISBN:	0780375769, 9780780375765
ISSN:	1058-6393
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