Image gradation processing method and apparatus for radiation im

Details Image gradation processing method and apparatus for radiation im Image gradation processing method and apparatus for radiation im

1980-02-22

1981-11-24

Smith, Alfred E.

Radiant energy

Automatic/serial detection of similar sources

250337, 364414, 364515, G03C 516, G01T 111, G06F 1542

Patent

active

043026729

ABSTRACT:
A method and apparatus for processing a radiation image in a radiation image recording system in which a stimulable phosphor is stimulated with a scanning stimulating ray and the light emitted from the stimulable phosphor upon stimulation by the stimulating ray is detected by a photodetector which gives an output to be processed and used for recording a visible image on a recording medium. The radiation image of the frontal chest is gradation processed. The gradation processing is characterized in that the density between the densities of the spine and the heart of the image on the recording medium is lowered to lower the contrast of the spine and raise the contrast of the heart and the lungs.

REFERENCES:
patent: 3975637 (1976-08-01), Ikedo et al.
patent: 4149076 (1979-04-01), Albert

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