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Photon-counting x-r...
Photon-counting x-ray detectors for CT
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- Danielsson, Mats, Professor (författare)
- KTH,Medicinsk bildfysik,Prismatic Sensors AB, AlbaNova University Center, SE-106 91 Stockholm, Sweden
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- Persson, Mats, 1987- (författare)
- KTH,Medicinsk bildfysik,Department of Bioengineering, Stanford University, Stanford, CA 94305, United States of America
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- Sjölin, Martin, 1987- (författare)
- Prismatic Sensors AB, Stockholm, SWEDEN
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(creator_code:org_t)
- 2021-01-28
- 2021
- Engelska.
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Ingår i: Physics in Medicine and Biology. - : IOP Publishing. - 0031-9155 .- 1361-6560. ; 66:3, s. 03TR01-
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Abstract
Ämnesord
Stäng
- The introduction of photon-counting detectors is expected to be the next major breakthrough in clinical x-ray CT. During the last decade, there has been considerable research activity in the field of photon-counting CT, in terms of both hardware development and theoretical understanding of the factors affecting image quality. In this article, we review the recent progress in this field with the intent of highlighting the relationship between detector design considerations and the resulting image quality. We discuss detector design choices such as converter material, pixel size, and readout electronics design, and then elucidate their impact on detector performance in terms of dose efficiency, spatial resolution, and energy resolution. Furthermore, we give an overview of data processing, reconstruction methods and metrics of imaging performance; outline clinical applications; and discuss potential future developments.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk bildbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Image Processing (hsv//eng)
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