Invention Grant
- Patent Title: System and method for image reconstruction for helical cone beam computed tomography with factorized redundancy weighting
- Patent Title (中): 用分解冗余加权的螺旋锥束计算机断层扫描图像重建系统和方法
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Application No.: US12244590Application Date: 2008-10-02
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Publication No.: US08494111B2Publication Date: 2013-07-23
- Inventor: Satoru Nakanishi , Aleksandr Zamyatin
- Applicant: Satoru Nakanishi , Aleksandr Zamyatin
- Applicant Address: JP Tokyo JP Otawara-shi
- Assignee: Kabushiki Kaisha Toshiba,Toshiba Medical Systems Corporation
- Current Assignee: Kabushiki Kaisha Toshiba,Toshiba Medical Systems Corporation
- Current Assignee Address: JP Tokyo JP Otawara-shi
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: A61B6/03
- IPC: A61B6/03
Abstract:
A method and system for computed tomography were weighted data is used to reconstruct an image. The apparatus includes an x-ray source producing a cone-beam of x-rays, an x-ray detector disposed to receive x-rays from the x-ray source, a data collection unit, and a processing unit for processing the data using a weighting function using contributions from fan-beam and cone-beam weighting functions. The apparatus can produce images with reduced artifacts.
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