3D image reconstruction method for placing 3D structure within c

Details 3D image reconstruction method for placing 3D structure within c 3D image reconstruction method for placing 3D structure within c

1989-01-05

1990-03-13

Williams, Hezron E.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

382 41, G01R 3320

Patent

active

049085735

ABSTRACT:
Variable voxel shifts required for shifting a 3D structure into a common oblique or contoured slice volume based on an existing 3D image are achieved by effecting variable f(x,y) phase shifts in corresponding frequency domain data parallel to a selected axis dimension and then reconstructing a new three-dimensional image having the 3D structure all located within a common oblique or otherwise contoured slice volume such that it may viewed in a single planar image display without loss of volume resolution. Equivalent convolution processes withing the spatial domain may also be empolyed. Oblique or curved reconstructions can thus be made using either originally acquired frequency domain data (used to construct the original image) or frequency domain data obtained by inverse Fourier transforming the available spatial domain data of the images themselves.

REFERENCES:
patent: 4710716 (1987-12-01), Keren et al.
patent: 4751660 (1988-06-01), Hedley
patent: 4841247 (1989-06-01), Itagaki
"An Improved Spectroscopic Imaging (SI) . . . and ISIS in Human Organs", Twieg, Meyerhoff, Gober, Boska, Hubesch, Schaefer, Roth, Sappey-Marinier and Weiner; Society of Magnetic Resonance in Medicine, 7th Annual Meeting, 20-26, Aug. 1988, p. 710, vol. 2, San Francisco, CA.
"NMR Volume Imaging With Half Slice Offsets", Mark C. Leifer, Brian P. Wilfrey; Book of Abstracts, Society of Magnetic Resonance in Medicine, 4th Annual Mtg. 19-23, Aug. 1985, pp. 1013-1014, vol. 1, London, United Kingdom.
"On the Comparison of Interpolation Methods", Einar Maeland, Seismological Observatory, University of Bergen, Bergen, Norway, IEEE Log No. 8822352 IEEE Medical Imaging, vol. 7, No. 3, Sep. 1988.

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