X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2003-07-23
2010-10-12
Ho, Allen C. (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S009000, C378S095000, C378S197000, C600S428000
Reexamination Certificate
active
07813473
ABSTRACT:
A technique is provided for the temporal interpolation of a projection data set acquired of a dynamic object, such as a heart. The projection data set is acquired using a slowly rotating gantry and a distributed X-ray source. The projection data may be interpolated at each view position to a selected instant of time, such as relative to a cardiac phase. The resulting interpolated projection data characterize the projection data at each view location at any instant in time. The set of interpolated projection data may then be reconstructed to generate images and/or volume with improved temporal resolution.
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Lalush, David C., Feasibility of Transmission Micro-CT with Two Fan-Beam Sources, IEEE, pp. 1283-1286, Sep. 1-5, 2004, vol. 4, San Francisco, California.
Basu Samit
De Man Bruno
Edic Peter Michael
Asmus Scott J.
General Electric Company
Ho Allen C.
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