X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1998-02-05
1999-11-02
Bruce, David Vernon
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378901, A61B 603
Patent
active
059784393
ABSTRACT:
The invention relates to a method which enables distributed or dilute structures, for example a vascular system filled with a contrast medium, to be reproduced in a synthetic projection image which reproduces the parts of the vascular system which are situated in a selectable sub-volume more clearly than the X-ray images, formed from different perspectives, wherefrom the projection image is derived. The voxel image values associated with the voxels of the sub-volume are first determined and from these voxel image values there is calculated a synthetic projection image in which the selected sub-volume is reproduced.
REFERENCES:
patent: 5150427 (1992-09-01), Frazee et al.
patent: 5852646 (1998-12-01), Klotz et al.
Klotz Erhard P.A.
Koppe Reiner H.
Op De Beek John
Bruce David Vernon
Renfrew Dwight H.
U.S. Philips Corporation
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