Dynamic uniform flood correction for radioisotope cameras

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

G - Physics

01

T

354/22, 354/25,

G01T 1/20 (2006.01) G01T 1/164 (2006.01)

Patent

CA 1085973

DYNAMIC UNIFORM FLOOD CORRECTION FOR RADIOISOTOPE CAMERAS Abstract of the Disclosure The intrinsic nonuniformity of a radioisotope camera having photomultiplier tubes substantially adjacent to the scintillator crystal assembly is improved by storing a plurality of integer correction factors from 1 to n for a matrix of loca- tions. With a uniform flood source, the count at each location is compared with an average minimum count to generate the correction factors. In operation, the correction factor for a location where a radiation event has been detected is compared to a random number between 1 and n. If the correction factor is less than the random number, the radiation event is ignored.

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