Reconstruction method of a computed tomographic image from a few

Details Reconstruction method of a computed tomographic image from a few Reconstruction method of a computed tomographic image from a few

1980-11-12

1983-12-20

Chin, Gary

Boots, shoes, and leggings

378901, G06F 1542

Patent

active

044221460

ABSTRACT:
A tomographic image of a X-ray tested tissue of body is reconstructed by calculating X-ray absorption coefficients of picture elements constituting a tomographic plane in reference to measured values produced by the first and second projectional distributions of X-ray produced by projecting X-ray. Accordingly, it becomes possible to reconstruct a clear tomographic image of a moving X-ray tested tissue and to make an X-ray exposure level very low by extremely shortening the time of the reconstruction of computed tomographic image. Moreover, a resolving power of measuring is substantially improved, resulting in that an accuracy of reconstructing the tomographic image may also be improved.

REFERENCES:
patent: 4064393 (1977-12-01), Pasedach et al.
patent: 4189775 (1980-02-01), Inouye et al.
patent: 4205375 (1980-05-01), Inouye et al.
patent: 4219876 (1980-08-01), Mizutani et al.
patent: 4274140 (1981-06-01), Watson
patent: 4275444 (1981-06-01), Ryan
"Computerized Tomography" Published in the International Journal of Radiological Diagnosis Using CT Scanners, vol. 2, No. 3, 1978, Pergamon Press.

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