Scintillation camera utilizing energy dependent linearity correc

Details Scintillation camera utilizing energy dependent linearity correc Scintillation camera utilizing energy dependent linearity correc

1993-03-22

1994-09-06

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036309, 36441324, 36457104, G01T 1164

Patent

active

053450825

ABSTRACT:
A scintillation camera is provided with multiple linearity correction maps which are accessed as a function of the value of the energy of a detected radiation event, so as to separately correct for spatial dislocation errors in multiple energy ranges as a function of detected position. The correction maps may be obtained by direct measurement of nonlinearities for each of the desired energy ranges individually, or sets of corrections for some energy ranges may be obtained by extrapolation calculation from correction factors which have been obtained by direct measurement.

REFERENCES:
patent: 4298944 (1981-11-01), Stoub et al.
patent: 4316257 (1982-02-01), Del Medico et al.
patent: 4323977 (1982-04-01), Arseneau
patent: 4661909 (1987-04-01), Kumazawa et al.

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