Radiation image processing method

Details Radiation image processing method Radiation image processing method

1989-10-17

1991-09-03

Berman, Jack I.

Radiant energy

Automatic/serial detection of similar sources

2504841, G01N 2304

Patent

active

050461478

ABSTRACT:
A radiation image is processed in a radiation image read-out and reproducing system wherein a read-out operation is carried out in which a stimulable phosphor sheet having a radiation image stored thereon is exposed to stimulating rays, which cause the stimulable phosphor sheet to emit light in proportion to the amount of energy stored thereon during exposure to radiation, and wherein the emitted light is photoelectrically detected and a read-out image signal which represent the radiation image is thereby obtained, said read-out image signal being used to reproduce the radiation image as a visible image. A radiation image processing method comprises the steps of calculating characteristic values, which serve as tools in the extraction of only those image signal components related to a diagnosis, or the like, from the read-out image signal, and carrying out transformation processing on the read-out image signal, the exact nature of the transformation depending on the characteristic values. A read-out gain and/or a scale factor is corrected with the transformation processing. The signal obtained after the transforming processing is carried out on the read-out image signal is used to reproduce the radiation image as a visible image.

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