X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1987-02-18
1990-04-17
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
378 7, 378 87, 358111, G21K 100, H05G 164
Patent
active
049187139
ABSTRACT:
The radiation image in a radiation imaging system is improved by extracting a scatter distribution and subtracting the scatter distribution from the radiation image. The scatter distribution is extracted from the radiation image by an adaptive filter using a scatter-glare point spread function. The scatter-glare point spread function is obtained by measurements of the radiation system.
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Reference Data for Radio Engineers, 4th Ed., International Telephone and Telegraph Co., 1956, pp. 1002-1003.
Fields Carolyn E.
Hynds Joseph A.
Kabushiki Kaisha Toshiba
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