Boots – shoes – and leggings
Patent
1978-10-19
1981-03-17
Wise, Edward J.
Boots, shoes, and leggings
250445T, G01N 2300
Patent
active
042571022
ABSTRACT:
An apparatus for axial transverse tomography using piercing radiation such as X-ray and .gamma.-ray for displaying a tomographic image concerning variation of radiation absorption values at a given section of a subject under examination, comprising: a scanner effecting a revolution-scanning around said subject at uniform angles while maintaining constant relative positions of a radiation source and a radiation detector with said subject intervening therebetween; an input device for setting a region of interest for being enlarged based on parameters of central angle, inter-center distance and radius ratio, to locally enlarge said tomographic image; co-ordinate system transforming circuitry for carrying out, on information within said region of interest outputted from radiation detector, a transformation of co-ordinate system corresponding to enlarged co-ordinates, from information obtained by the scanner and outputted by the radiation detector and also from the set parameters; and convolution circuitry for carrying out a convolution operation on the resulting information representing the trnsformation of co-ordinate system.
REFERENCES:
patent: 4032761 (1977-06-01), Mayo et al.
patent: 4063074 (1977-12-01), Wagner
patent: 4070707 (1978-01-01), Barber
patent: 4117336 (1978-09-01), Bates
patent: 4136388 (1979-01-01), Lindquist
Horiba Isao
Kuwabara Yasuo
Satou Shigeru
Takagi Hiroshi
Baker Joseph J.
Ferguson Jr. Gerald J.
Hitachi Medical Corporation
Wise Edward J.
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