Multi-sector back-off logic algorithm for obtaining optimal...

Details Multi-sector back-off logic algorithm for obtaining optimal... Multi-sector back-off logic algorithm for obtaining optimal...

2005-03-29

2005-03-29

Bruce, David V. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S901000

Reexamination Certificate

active

06873675

ABSTRACT:
A multi-sector back-off logic algorithm for obtaining optimal slice-sensitive computed tomography (“CT”) profiles. The systems and methods of the present invention improving the temporal resolution of a CT system by checking for Z location errors between sectors and automatically backing-off to an alternative multi-sector algorithm when necessary (i.e., selecting an optimized maximum number of sectors to reconstruct), providing less Z location error. Based upon this Z location error, the systems and methods of the present invention also calculating the maximum number of sectors that should be used for reconstruction “on-the-fly” (i.e., on a per image basis across an entire series of images). These systems and methods utilizing the Recommended Protocol for Cardiac Reconstruction Algorithms.

REFERENCES:
patent: 6587539 (2003-07-01), Oikawa
patent: 6665370 (2003-12-01), Bruder et al.
patent: 20020021785 (2002-02-01), Toth et al.
patent: 20030185337 (2003-10-01), Hsieh

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