X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1998-07-01
2000-03-14
Bruce, David Vernon
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378 4, 378961, H61B 603
Patent
active
060382783
ABSTRACT:
The present invention, in one form, is a system for performing image reconstruction from projection data acquired in a helical scan. More specifically, the system implements an incremental reconstruction algorithm for helical scan projection data which does not require filtering, weighting and backprojecting such projection data for generating each image. Particularly, a segmentation algorithm divides the projection into a plurality of segments so that subsequent images are generated by generating image data only for those segments that have changed from the base image.
REFERENCES:
patent: 4736399 (1988-04-01), Okazaki
patent: 5412563 (1995-05-01), Cline et al.
Acharya Kishore
Dutta Sandeep
Hsieh Jiang
Beulick John S.
Bruce David Vernon
Cabou Christian G.
Price Phyllis Y.
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