Radiation image reproducing method and apparatus

Details Radiation image reproducing method and apparatus Radiation image reproducing method and apparatus

1985-05-09

1988-07-05

Fields, Carolyn E.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03C 516

Patent

active

047556722

ABSTRACT:
In a radiation image recording and reproducing system, preliminary image recording is conducted by exposing a stimulable phosphor sheet to a radiation prior to object image recording without making the radiation pass through an object, and a preliminary image signal obtained by image read-out from the stimulable phosphor sheet after the preliminary image recording is stored. After the object image recording, a visible image of the object is reproduced by use of an electric image signal obtained by subtracting the stored preliminary image signal multiplied by a predetermined constant from an electric image signal obtained by image read-out from the stimulable phosphor sheet subjected to the object image recording.

REFERENCES:
patent: 4115694 (1978-09-01), Lange et al.
patent: 4590517 (1986-05-01), Kato et al.

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