Data acquisition system for computed tomography

Details Data acquisition system for computed tomography Data acquisition system for computed tomography

1977-08-26

1979-01-23

Wise, Edward J.

Boots, shoes, and leggings

250445T, 364577, G01N 2300

Patent

active

041363884

ABSTRACT:
The radiation source and detectors in a computed tomography system translate and/or rotate with varying velocity profiles. Radiation transmission data is measured and sampled at a high rate, the sample points being equally spaced in the time domain. The data samples are then smoothed and interpolated, using a high order polynomial fit, to provide input signals for an image reconstruction algorithm which are representative of transmission values at points which are evenly distributed in space.

REFERENCES:
patent: 3748470 (1973-07-01), Barrett
patent: 3755672 (1973-08-01), Edholm et al.
patent: 4002911 (1977-01-01), Hounsfield
patent: 4032761 (1977-06-01), Mayo et al.
patent: 4052619 (1977-10-01), Hounsfield

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