Method of adjusting radiation image read-out conditions

Details Method of adjusting radiation image read-out conditions Method of adjusting radiation image read-out conditions

1988-03-07

1990-06-05

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03G 516

Patent

active

049316443

ABSTRACT:
In a method of adjusting read-out conditions for a radiation image stored on a stimulable phosphor sheet by limiting the radiation exposure field, digital image signals at respective positions on the stimulable phosphor sheet for detected on the basis of image information obtained by preliminary read-out. The digital image signals are subjected to a differentiation processing, and the radiation exposure field on the stimulable phosphor sheet is detected by use of the differentiated values obtained thereby. The read-out conditions in final read-out are adjusted on the basis of the image information obtained within the detected radiation exposure field by the preliminary read-out.

REFERENCES:
patent: 4242662 (1980-12-01), Ysujiyama
patent: 4519041 (1985-05-01), Fant et al.
patent: 4568832 (1986-02-01), Yanaka et al.

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