Subtraction processing method and apparatus for radiation images

Details Subtraction processing method and apparatus for radiation images Subtraction processing method and apparatus for radiation images

1983-07-05

1987-07-28

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03C 516

Patent

active

046833773

ABSTRACT:
Markers for providing reference points or lines are recorded together with radiation images in stimulable phosphor sheets in a position fixed with respect to the radiation images. The stimulable phosphor sheets are scanned with stimulating rays, and the spatial coordinates of the reference points or lines are detected from light emitted from the stimulable phosphor sheets. The stimulable phosphor sheets are moved with respect to scanning lines of stimulating rays based on the detected spatial coordinates to adjust the spatial coordinates to a spatial coordinate predetermined with respect to the scanning lines of stimulating rays. Then, the radiation images are read out.

REFERENCES:
patent: 3854049 (1974-12-01), Mistretta et al.
patent: 4276473 (1981-06-01), Kato et al.
patent: 4327292 (1982-04-01), Wang et al.

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