Spread beam overlap method

Details Spread beam overlap method Spread beam overlap method

1978-06-30

1980-03-04

Smith, Alfred E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250360, G01N 2134, G01N 2304

Patent

active

041918924

ABSTRACT:
An improved method for computed tomographic scanning is disclosed. A beam of electromagnetic radiation subtending an angle .phi. is alternately translated and rotated past a patient. The intensity of the beam is detected by an array after the radiation passes the patient and a reconstructed image created from the detected intensities. Each rotation of the array is through an angle less than the angle .phi. subtended by the array producing redundant intensity readings for similarly oriented beam paths through the patient. This redundant intensity data is modified according to a scheme which tends to reduce motion and misalignment artifacts within the patient.

REFERENCES:
patent: 4084093 (1978-04-01), Marsh et al.

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