Computerized tomography method with helical relative...

Details Computerized tomography method with helical relative... Computerized tomography method with helical relative...

2007-03-06

2007-03-06

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

10546231

ABSTRACT:
The invention relates to a computerized tomography method, in which an examination area is scanned radiographically along a helical trajectory by a conical beam. The radiation transmitted through the examination area is measured by means of a detector unit, wherein the absorption distribution in the examination area is reconstructed exactly or at least quasi-exactly from these measured values. Reconstruction uses redundant measured values and comprises derivation of the measured values from parallel rays of different projections, integration of these values along κ-lines, weighting of these values and back-projection.

REFERENCES:
patent: 5270923 (1993-12-01), King et al.
patent: 5515409 (1996-05-01), Hsieh
patent: 5974110 (1999-10-01), Hu
patent: 6108575 (2000-08-01), Besson
patent: 6275561 (2001-08-01), Danielsson
patent: 2006/0140335 (2006-06-01), Heuscher et al.
patent: WO 02/30282 (2002-04-01), None
Katsevich, A.; Analysis of an exact inversion algorithm for spiral cone-beam CT; 2002; Phys. in Med. & Biol.; 47:2583-2597.
Katsevich, A.; Theoretically Exact Filtered Backprojection-type Inversion Algorithm for Spiral CT; 2002; SIAM J. Appl. Math; 62:6:2012-2026.
Kohler, T., et al.; Evaluation of Helical Cone-Beam CT Reconstruction Algorithms; 2003; IEEE; pp. 1217-1220.
Proksa, R., et al.; The n-Pl-Method for Helical Cone-Beam CT; 2000; IEEE; 19:9:848-863.

Affiliated with

Also associated with

Rating

Computerized tomography method with helical relative... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Computerized tomography method with helical relative..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Computerized tomography method with helical relative... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3793728