Radiation image read-out method and apparatus

Details Radiation image read-out method and apparatus Radiation image read-out method and apparatus

1987-06-15

1990-02-27

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03C 516

Patent

active

049048678

ABSTRACT:
In a radiation image read-out method and apparatus, final read-out is carried out for detecting image signals for use in reproduction of a visible image from a recording medium carrying a radiation image recorded thereon, and read-out conditions for the final read-out and/or image processing conditions are adjusted based on image signals for condition adjustment detected by reading out the image information recorded on the recording medium. Image signals in a partial region at a predetermined position on the recording medium are extracted from the image signals for condition adjustment, and a representative value of the image signal for the partial region is calculated. A predetermined discrimination value representing a relationship between a characteristic value of the image signals for condition adjustment and the representative value is calculated, and the read-out conditions for the final read-out and/or the image processing conditions are adjusted based on the discrimination value.

REFERENCES:
patent: 4620097 (1986-10-01), Yanaka et al.
patent: 4682028 (1987-07-01), Yanaka et al.

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