Radiation image pickup method and apparatus

Details Radiation image pickup method and apparatus Radiation image pickup method and apparatus

1992-11-30

1994-04-26

Church, Craig E.

X-ray or gamma ray systems or devices

Beam control

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348 77, G21K 510

Patent

active

053073967

ABSTRACT:
In picking up a radiation image, and image is first picked up without adjusting the radiation dose of a radiation beam that scans an irradiation target to thereby acquire information of the dose of radiation transmitted through the irradiation target at the same time the image is picked up. Based on the information of the transmitted dose of radiation, the radiation dose to be controlled is determined, and image pickup is executed again to be superimposed on the initial pickup while controlling the radiation dose according to the determined control dose, whereby the radiation image data is obtained. Further, the image of the case where the radiation dose is not controlled is restored in signal processing of the obtained radiation image data and the data of the radiation control quantity.

REFERENCES:
patent: 4868857 (1989-09-01), Dobbins

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