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Image quality in photon counting-mode detector systems
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- Bornefalk, Hans (author)
- KTH,Medicinsk bildfysik
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- Danielsson, Mats, Professor (author)
- KTH,Medicinsk bildfysik
- Svensson, Christer (author)
- (creator_code:org_t)
- 2013
- English.
- Patent (pop. science, debate, etc.)
Abstract
Subject headings
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- The current invention applies to photon counting silicon x-ray detectors with energy discriminating capabilities and applications in x-ray imaging systems. The overall image quality produced by such a system is improved by the presented novel methods for optimally using the energy information in Compton events and making selective use of counts induced from charges collected in neighboring pixels. The pile-up problem during high-flux imaging regimes is reduced by a novel method for signal reset, which improves the count efficiency by reducing the risk of losing event due to signal pile-up in the read out electronics chain.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
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- pop (subject category)
- pat (subject category)
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