Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1980-01-21
1981-11-24
Willis, Davis L.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250511, G01T 120, G21F 504
Patent
active
043026753
ABSTRACT:
A method of emission tomography using a gamma camera and a rotating collimator having an array of a large number of slanted, small diameter holes. A planar projection corresponding to each angular orientation assumed by the collimator is recorded. From these series of planar projections, a three-dimensional simulation model is reconstructed by an iterative algorithm which approximates the emitting object. The simulated model comprises multiple separable planes.
REFERENCES:
patent: 3011057 (1961-11-01), Anger
patent: 3612865 (1971-10-01), Walker
patent: 4181839 (1980-01-01), Hatton et al.
patent: 4197460 (1980-04-01), Anger
Kuhl et al., "Image Separation Radioisotope Scanning" Radiology, vol. 80, 1963, pp. 653-662.
Gilbert, "Herative Methods for the Three-Dimensional Reconstruction of an Object from Projections" J. Theor. Biol. vol. 36, 1972, pp. 105-117.
Vogel et al., "A New Method of Multiplanar Emission Tomography using a Seven Pinhole Collimator and an Anger Scintillation Camera" Journal of Nuc. Medicine, vol. 19, No. 6, 1978, pp. 648-654.
Gottschalk Stephen C.
Smith Kendall A.
Wake Robert H.
Howell Janice A.
Kaufman Michael A.
Technicare Corporation
Willis Davis L.
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