Method of projection reconstruction imaging with reduced sensiti

Details Method of projection reconstruction imaging with reduced sensiti Method of projection reconstruction imaging with reduced sensiti

1983-06-30

1986-04-08

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

378 9, 324307, G01R 3320

Patent

active

045815810

ABSTRACT:
A method is provided for imaging a transverse slice of an object with reduced sensitivity to image artifacts due to object motion during the scan. The method utilizes projection measurements corresponding to at least 180.degree. scan of the slice. The measurements are taken sequentially for views that are adjacent in angle such that measurements which are at the extremes of the scan angle are nevertheless measured at points close in time, reducing inconsistencies therebetween. The method is applicable to a number of modalities utilizing parallel-ray and fan-beam geometries, such as NMR and ultrasound, respectively.

REFERENCES:
patent: 4129783 (1978-12-01), Houston
patent: 4313163 (1982-01-01), Mizutani
patent: 4333053 (1982-06-01), Harrison

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