A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
358/11.1
A61B 6/03 (2006.01) G06T 11/00 (2006.01)
Patent
CA 2021624
15CT03271 Abstract of the Disclosure A method of reducing image artifacts in images acquired with fan beam, helical scanning, tomographic imaging systems uses half scans of less than 360° of projection data of an imaged object on each side of the slice plane being imaged. The half scans are weighted with half scan weighting factors to compensate for redundant data and are weighted with helical scanning weighting factors to interpolate the half scans projection data to projection data at the slice plane. The imaged object may be moved one slice thickness for each 360° of scanning so that the half scans are concentrated closer to the slice plane thereby reducing interpolation errors. Alternatively, for a series of slice images, the imaged object may be moved one slice thickness for each half scan to reduce average slice acquisition time.
Crawford Carl Ross
King Kevin Franklin
Lonn Albert Henry Roger
Company General Electric
Craig Wilson And Company
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