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- W1989903174 abstract "A scanned projection radiography sensor has been developed using a time-delay-and-integrate imaging CCD optically coupled to an X-ray intensifying screen. A mathematical model has been developed to predict the efficiency of information transfer between intensifying screen and CCD. This model predicts that for an 8-inch field of view the CCD should capture one electron for each X-ray photon absorbed in the screen. Variance in the number of electrons captured should reduce the DQE of the screen by a factor of 0.7. This almost exactly offsets the effect of scattered radiation in film/screen systems, suggesting that the new detector could have image quality equivalent to a screen/film/grid system. Experimental data shows that the model correctly predicts the light photon transfer efficiency of the system but that the image noise is dominated by switching noise from the CCD. With a low-noise camera design the system should be equal or superior to a screen/film/grid system for a wide range of practical imaging situations." @default.
- W1989903174 created "2016-06-24" @default.
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- W1989903174 date "1989-05-01" @default.
- W1989903174 modified "2023-09-23" @default.
- W1989903174 title "Scanned Projection Radiography Using A Time-Delay-And-Integrate Scanning CCD" @default.
- W1989903174 doi "https://doi.org/10.1117/12.953218" @default.
- W1989903174 hasPublicationYear "1989" @default.
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