Invention Grant
- Patent Title: Method for analytic reconstruction of cone-beam projection data for multi-source inverse geometry CT systems
- Patent Title (中): 多源逆几何CT系统锥束投影数据分析重建方法
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Application No.: US11924829Application Date: 2007-10-26
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Publication No.: US08031829B2Publication Date: 2011-10-04
- Inventor: Zhye Yin , Bruno Kristiaan Bernard DeMan , Jed Douglas Pack
- Applicant: Zhye Yin , Bruno Kristiaan Bernard DeMan , Jed Douglas Pack
- Applicant Address: US NY Niskayuna
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Niskayuna
- Agency: Fletcher Yoder
- Main IPC: A61B6/03
- IPC: A61B6/03

Abstract:
A method for analytically reconstructing a multi-axial computed tomography (CT) dataset, acquired using one or more longitudinally-offset x-ray beams emitted from multiple x-ray sources is provided. The method comprises acquiring one or more CT axial projection datasets, wherein the CT axial projection datasets are acquired using less than a full scan of data. The method further comprises reconstructing the CT axial projection datasets to generate a reconstructed image volume. The reconstruction comprises back projecting one or more voxels comprising the multi-axial CT dataset, along one or more projection views, based upon a cone-angle weight determined for the voxels, wherein the cone-angle weight for the voxels is determined along a longitudinal direction.
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