Invention Grant
- Patent Title: Method for local adjustment of regularization parameters for image quality optimization in fully 3D iterative CT reconstruction
- Patent Title (中): 局部调整完全3D迭代CT重建中图像质量优化的正则化参数的方法
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Application No.: US14917611Application Date: 2014-09-25
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Publication No.: US09478049B2Publication Date: 2016-10-25
- Inventor: Rolf Dieter Bippus , Berhard Johannes Brendel
- Applicant: KONINKLIJKE PHILIPS N.V.
- Applicant Address: NL Eindhoven
- Assignee: KONINKLIJKE PHILIPS N.V.
- Current Assignee: KONINKLIJKE PHILIPS N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP13186649 20130930
- International Application: PCT/EP2014/070424 WO 20140925
- International Announcement: WO2015/044237 WO 20150402
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06T11/00
Abstract:
A method and related apparatus (116) for iterative reconstruction of a volume. A regularization parameter (β) of an iterative update function is spatially adapted and normalized in respect to a region of interest ROI in the volume. The method allows achieving essentially uniform noise distribution across the reconstructed volume.
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