College of Engineering
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- Inventor(s):
- Zhou Yu, Evgeny Drapkin, Bruno Kristiaan Bernard De Man, Jean-Baptiste Thibault, Kai Zeng, Jiang Hsieh, Brian E. Nett, Debashish Pal, Lin Fu, Guangzhi Cao, Charles A. Bouman, Ken D. Sauer
- Patent Number:
- US 9020230 B2
- Description:
A method for reconstructing an image of an object that includes a plurality of image elements. The method includes accessing image data associated with a plurality of image elements, and reconstructing an image of the object by optimizing an objective function, where the objective function is optimized by iteratively solving a nested sequence of approximate optimization problems. The algorithm is composed of nested iterative loops, in which an inner loop iteratively optimizes an objective fun…
- Date Issued:
- 2015-04-28
- Record Visibility:
- Public
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- Inventor(s):
- Jean-Baptiste Thibault, Xue Rui, Somesh Srivastava, Ken D. Sauer, Lin Fu, Charles A. Bouman
- Patent Number:
- US 9261467 B2
- Description:
A system and method include acquisition of projection data from a scanned object, the set of projection data comprising a plurality of projection measurements. The system and method also include calculation of a set of modified statistical weights from the projection data, wherein a respective modified statistical weight of the set of modified statistical weights comprises a deviation from an inverse variance of a corresponding projection measurement of the projection data. The system and met…
- Date Issued:
- 2016-02-16
- Record Visibility:
- Public