H - Electricity
05
G
358/11.1
H05G 1/00 (2006.01) A61B 6/03 (2006.01) G06T 11/00 (2006.01)
Patent
CA 1127776
- 15 - ABSTRACT OF THE DISCLOSURE In a computerized tomographic apparatus of the kind in which the performances of different detectors is normalised by causing them to receive radiation along substantially similar paths in various overlap zones within a body under examination, the normalisation can be adversely affected by the amount o radiation exposure suffered by each detector prior to its receipt of radiation along the paths in the overlap zones. The invent-on 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 centre 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, neighbouring, paths.
337763
Hounsfield Godfrey N.
Emi Limited
Ridout & Maybee Llp
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