Image quality in photon counting-mode detector systems
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United States of America Patent
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Feb 19, 2013
Grant Date -
Aug 26, 2010
app pub date -
Feb 17, 2010
filing date -
Feb 11, 2009
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Abstract
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.
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