Radiography

Details Radiography Radiography

1979-10-24

1981-10-13

Krass, Errol A.

Boots, shoes, and leggings

250445T, 364582, G06F 1542, G01N 2300

Patent

active

042951950

ABSTRACT:
In a computerized tomographic apparatus of the kind in which the performances of different detectors are normalized causing them to receive radiation along substantially similar paths in various overlap zones within a body under examination, the normalization can be adversely affected by the amount of radiation exposure suffered by each detector prior to its receipt of radiation along the paths in the overlap zones. The invention permits such adverse effects to be reduced or eliminated by averaging the electrical signals, produced by the detectors in respect of the paths in the overlap zones; the signals relating to paths near the center of an overlap zone being combined with the signals relating to other paths distributed substantially across the overlap zone but the signals relating to paths near the edges of an overlap zone being combined with the signals relating to only a few, neighboring paths.

REFERENCES:
patent: 4032761 (1977-06-01), Mayo et al.
patent: 4105922 (1978-08-01), Lambert et al.
patent: 4114040 (1978-09-01), Hounsfield

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