Data acquisition system for generating accurate projection data

Details Data acquisition system for generating accurate projection data Data acquisition system for generating accurate projection data

1997-12-31

1999-11-23

Bruce, David Vernon

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 19, 378901, A61B 603

Patent

active

059913584

ABSTRACT:
A data acquisition system for use in a CT scanner comprises an analog-to-digital converter for generating digital signals in response to analog signals representative of projection data taken at a relatively constant sampling rate; and an interpolation filter for generating projection data for a plurality of predetermined projection angles as a function of the digital signals irrespective of the sampling rate.

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patent: 5274375 (1993-12-01), Thompson
patent: 5432339 (1995-07-01), Gordon et al.

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