Method for an x-ray device and computer tomograph for...

Details Method for an x-ray device and computer tomograph for... Method for an x-ray device and computer tomograph for...

2008-01-01

2008-01-01

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S019000, C378S098900

Reexamination Certificate

active

07315604

ABSTRACT:
A method is disclosed for an x-ray device and a computer tomograph for suppressing beam hardening artifacts in a generated image of an object, for example in a tomogram of a patient. In the method, N measured values are acquired relating to N different energy ranges of the x-radiation. Further, one pseudomonochromatic measured value is calculated in each case from the N measured values such that there is generated from different projection directions on the basis of the calculated pseudomonochromatic measured values, an image in which beam hardening artifacts are substantially suppressed.

REFERENCES:
patent: 2003/0053597 (2003-03-01), Flohr et al.
patent: 2004/0066881 (2004-04-01), Reddy et al.
patent: 2004/0092814 (2004-05-01), Hsieh et al.
patent: 2004/0101088 (2004-05-01), Sabol et al.
patent: 2004/0102688 (2004-05-01), Walker et al.
patent: 2004/0136491 (2004-07-01), Iatrou et al.
patent: 2004/0228451 (2004-11-01), Wu et al.
patent: 2006/0109949 (2006-05-01), Tkaczyk et al.
patent: 100 48 775 (2000-09-01), None

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