Method and system for processing cone beam data for reconstructi

Details Method and system for processing cone beam data for reconstructi Method and system for processing cone beam data for reconstructi

1993-11-12

1995-02-14

McElheny, Jr., Donald E.

Boots, shoes, and leggings

36441316, G06F 1542

Patent

active

053901118

ABSTRACT:
Techniques and system for processing cone beam projection data for reconstructing substantially free of boundary-induced artifacts a three-dimensional computerized tomography (CT) image of a portion of an object are provided. Such techniques include suitably identifying a rotation center shared by a line of integration pair and wherein the rotation center is selected for mapping, within a cone beam masked region identified on a surface array detector, predetermined points situated along the line of integration pair. The suitably identified rotation center allows to acquire cone beam projection data within the masked region which is free of boundary effects. The acquired data is retained for subsequent processing and thus allows for exactly reconstructing the substantially free of boundary-induced artifacts CT image.

REFERENCES:
patent: 5187659 (1993-02-01), Eberhard et al.
patent: 5257183 (1993-10-01), Tam

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