Thomas B Lindquist

US Patent:

41363884, Jan 23, 1979

Filed:

Aug 26, 1977

Appl. No.:

5/827932

Inventors:

Thomas R. Lindquist - Oxford CT

Assignee:

U.S. Philips Corporation - New York NY

International Classification:

G01N 2300

US Classification:

364414

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.