Method for recording projection image

Details Method for recording projection image Method for recording projection image

2008-05-13

2008-05-13

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C378S098900

Reexamination Certificate

active

07372943

ABSTRACT:
In recording projection images for dual absorptiometry, the optical thickness of an object being examined is determined on the basis of a projection image recorded in a high-energy range, and parameters for recording a projection image in the low-energy range are selected as a function of the determined optical thickness. The ratio between image quality and the radiation dosage of the object being examined can be optimized thereby.

REFERENCES:
patent: 5648997 (1997-07-01), Chao
patent: 6343111 (2002-01-01), Avinash et al.
patent: 2002/0075997 (2002-06-01), Unger et al.

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