Back projection image reconstruction apparatus and method

Details Back projection image reconstruction apparatus and method Back projection image reconstruction apparatus and method

1984-11-13

1987-07-14

Shaw, Clifford C.

Boots, shoes, and leggings

378 99, 358111, 382 6, G06F 1542, G06G 760

Patent

active

046807098

ABSTRACT:
Image reconstruction time in a CT scanner is enhanced by using a pipeline structure and interpolation techniques to identify each detector for use in back projection of radiation aborption measurements through each pixel in each view of the scanner. In a preferred embodiment, detectors are identified by calculation for a pixel in every third view with detectors for intermediate views obtained by interpolation of the calculated detectors. Similarly, detectors are identified for every other pixel in a view with the detector for the intermediate pixel identified by interpolation.

REFERENCES:
patent: 4135247 (1979-01-01), Gordon et al.

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