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Methods and apparatus for improving image quality

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专利内容由知识产权出版社提供

专利名称:Methods and apparatus for improving image

quality

发明人:Scott David Wollenweber,Alex Ganin,Mark K.

Limkeman,Charles William Stearns

申请号:US10371552申请日:20030221

公开号:US20040167387A1公开日:20040826

专利附图:

摘要:A method for retrospectively correcting data prior to image reconstructionusing an imaging system, wherein the method includes acquiring a first sinogram of a first

slice of an object at a first axial field of view and a second sinogram of the first slice of theobject at a second axial field of view different than the first axial field of view, determiningat least one boundary of the object in the first sinogram and the second sinogram at thefirst slice, measuring a shift between the first sinogram and the second sinogram usingthe determined boundaries, and generating a corrected image using the measured shift.

申请人:WOLLENWEBER SCOTT DAVID,GANIN ALEX,LIMKEMAN MARK K.,STEARNSCHARLES WILLIAM

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