Motion correction circuitry and method for a radiation imaging d

Details Motion correction circuitry and method for a radiation imaging d Motion correction circuitry and method for a radiation imaging d

1981-11-23

1984-08-14

Chin, Gary

Boots, shoes, and leggings

364414, 250363S, 250369, G01T 120

Patent

active

044660758

ABSTRACT:
A motion correction method and related analog motion correction circuitry are disclosed, which correct for image blurring due to patient movement in scintigram heart studies using an Anger camera. X, Y positional coordinate signals developed for incident quanta of radiation E1 emitted by an isotope of energy 1 distributed in the heart are displayed on a CRT screen after correction in accordance with the displacement from an initial position X.sub.o ', Y.sub.o ' of a centroid calculated from X', Y' positional coordinate signals developed for incident quanta of radiation E2 emitted by isotope of energy 2 in the form of a point source strapped to the patient's chest for movement therewith.

REFERENCES:
patent: 3011057 (1961-11-01), Anger
patent: 3780290 (1973-12-01), Hoffer
patent: 3950648 (1976-04-01), Martone et al.
patent: 3984689 (1976-10-01), Arseneau
patent: 4144569 (1979-03-01), Wagner
patent: 4179607 (1979-12-01), Lange et al.
patent: 4223221 (1980-09-01), Gambini et al.
patent: 4223388 (1980-09-01), Nishikawa 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
"A Method Using a Digital Computer for Reducing Respiratory Artifact on Liver Scans Made with a Camera," by Oppenheim, J. Nucl. Med., vol. 12, pp. 625-628 (1971).
"Improved Means of Correcting Blurring in Scintographic Images," by McKeighen, Phys. Med. Biol., vol. 2, No. 2, pp. 353-362 (1979).

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