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pro vyhledávání: '"Kupinski, Matthew A."'
Maintaining or even improving image quality while lowering patient dose is always the desire in clinical computed tomography (CT) imaging. Iterative reconstruction (IR) algorithms have been designed to allow for a reduced dose while maintaining or ev
Externí odkaz:
http://hdl.handle.net/10150/626451
http://arizona.openrepository.com/arizona/handle/10150/626451
http://arizona.openrepository.com/arizona/handle/10150/626451
Conventional wisdom dictates that imaging hardware should be optimized by use of an ideal observer (TO) that exploits full statistical knowledge of the class of objects to be imaged, without consideration of the reconstruction method to be employed.
Externí odkaz:
http://hdl.handle.net/10150/625209
http://arizona.openrepository.com/arizona/handle/10150/625209
http://arizona.openrepository.com/arizona/handle/10150/625209
The use of a channelization mechanism on model observers not only makes mimicking human visual behavior possible, but also reduces the amount of image data needed to estimate the model observer parameters. The channelized Hotelling observer (CHO) and
Externí odkaz:
http://hdl.handle.net/10150/622347
http://arizona.openrepository.com/arizona/handle/10150/622347
http://arizona.openrepository.com/arizona/handle/10150/622347
The Dynamic Cardiac SPECT (DC-SPECT) system is being developed at the Massachusetts General Hospital, featuring a static cardio focus asymmetrical geometry enabling simultaneous high resolution and high sensitivity imaging. Among 14 design iterations
Externí odkaz:
http://arxiv.org/abs/2212.14505
It is widely accepted that optimization of imaging system performance should be guided by task-based measures of image quality (IQ). It has been advocated that imaging hardware or data-acquisition designs should be optimized by use of an ideal observ
Externí odkaz:
http://arxiv.org/abs/1905.05820
Akademický článek
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Autor:
Rahman, Md Ashequr, Zhu, Yansong, Clarkson, Eric, Kupinski, Matthew A., Frey, Eric C., Jha, Abhinav K.
The potential to perform attenuation and scatter compensation (ASC) in single-photon emission computed tomography (SPECT) imaging using only the SPECT emission data is highly significant. In this context, attenuation in SPECT is primarily due to Comp
Externí odkaz:
http://arxiv.org/abs/1807.01767
Autor:
MacGahan, Christopher J., Kupinski, Matthew A., Hilton, Nathan R., Brubaker, Erik M., Johnson, William C.
Observer models were developed to process data in list-mode format in order to perform binary discrimination tasks for use in an arms-control-treaty context. Data used in this study was generated using GEANT4 Monte Carlo simulations for photons using
Externí odkaz:
http://arxiv.org/abs/1602.01449
Autor:
Kupinski, Matthew A.
Thesis (Ph. D.)--University of Chicago, Dept. of Radiology.
Includes bibliographical references. Also available on the Internet.
Includes bibliographical references. Also available on the Internet.