Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1994-05-03
1995-10-10
Hayes, Gail O.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
378901, 250369, G01T 1166
Patent
active
054573211
ABSTRACT:
A SPECT apparatus for forming a radioisotope distribution topographic image of an object, in which a detector such as a fan beam collomator detects fan beam shaped gamma ray emitted from a radioisotope given to the object to provide fan beam data, while a scanner causes relative rotation between the object and the detecter, and a data collector collects the fan beam data, and in which a data converter successively converts the fan beam data into parallel beam data during the relative rotation, and a reconstructor reconstructs a tomographic image from the parallel beam data. The fan beam data having a first matrix size and a first angle may be converted into the parallel beam data having a second matrix size and a second angle which are different from the first matrix size and the first angle, respectively.
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Kruger et al., "Industrial Applications of computed tomography at Los Alamos Scientific Laboratory", May/Jun. 1980, pp. 273-282.
Ichihara Takashi
Kinda Akiyoshi
Hayes Gail O.
Hazard Jennifer
Kabushiki Kaisha Toshiba
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