Dynamic uniform flood correction for radioisotope cameras

Details Dynamic uniform flood correction for radioisotope cameras Dynamic uniform flood correction for radioisotope cameras

1977-08-05

1979-04-24

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

G01T 120

Patent

active

041514165

ABSTRACT:
The intrinsic nonuniformity of a radioisotope camera having an array of photomultiplier tubes viewing a scintillator crystal assembly is improved by comparing an internally generated correction factor from 1 to n, assigned to a location where a radiation event has been detected, to a random number between 1 and n and then discarding the radiation event datum if the correction factor is less than the random number. Correction factors are first generated by comparing the count at each location with an average minimum count in the presence of a uniform flood source.

REFERENCES:
patent: 3745345 (1973-07-01), Muehllenhiner
patent: 3752981 (1973-08-01), Jaszczak
patent: 3752988 (1973-08-01), Culver
patent: 3774032 (1973-11-01), Lange
patent: 3904530 (1975-09-01), Martone et al.

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