Method and apparatus for generation of a digital x-ray image...

Details Method and apparatus for generation of a digital x-ray image... Method and apparatus for generation of a digital x-ray image...

2008-03-11

2008-03-11

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C378S037000, C378S062000, C378S108000, C378S117000

Reexamination Certificate

active

11499276

ABSTRACT:
In a method and apparatus for generation of a digital x-ray image of an examination subject with an x-ray tube and a digital x-ray detector, a preliminary total dose required for correct exposure is determined using prior knowledge and a complete pre-image of the examination subject is acquired with a partial dose that is smaller than the preliminary total dose. A remaining dose is determined from the pre-image by image evaluation. A complete following image is acquired with this remaining dose, and the final x-ray image is assembled from the pre-image and the following image.

REFERENCES:
patent: 5485501 (1996-01-01), Aichinger
patent: 6487271 (2002-11-01), Laurent
patent: 7103143 (2006-09-01), Alving et al.
patent: 2006/0269041 (2006-11-01), Mertelmeier

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