Scanning gamma camera

Details Scanning gamma camera Scanning gamma camera

1980-09-03

1984-02-14

Krass, Errol A.

Boots, shoes, and leggings

250363S, 364571, G01T 120

Patent

active

044320590

ABSTRACT:
By reason of the nature of the scanning regimen followed by a scanning gamma camera head, and the shape of the active region of the head, not all of the elemental areas of a scanned radiation field are observed by the active region of the head for the same period of time. This non-uniformity sensitivity of the system is corrected by correction factors that are either analytically calculated or experimentally determined for each given elemental area of the map. The map of an unknown radiation source obtained by following the scanning regimen is corrected by applying the sensitivity correction factors to the contents of corresponding elemental areas of the map.

REFERENCES:
patent: 3919557 (1975-11-01), Berninger
patent: 3970852 (1976-07-01), Richey et al.
patent: 3979592 (1976-09-01), Doherty et al.
patent: 3993908 (1976-11-01), Kaplan et al.
patent: 4012636 (1977-03-01), Engdahl et al.
patent: 4020348 (1977-04-01), Turcotte et al.
patent: 4223221 (1980-09-01), Gambini et al.
patent: 4281382 (1981-07-01), Knoll et al.
patent: 4298944 (1981-11-01), Stoub et al.
patent: 4316257 (1982-02-01), Del Medico et al.
patent: 4323977 (1982-04-01), Arseneau

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