Title:
フォトンカウンティングＣＴ装置、および、物質弁別マップの補正方法
Document Type and Number:
Japanese Patent JP7433256
Kind Code:
B2
Abstract:
A photon counting computed tomography (CT) apparatus actually measures corrective measurement values by radiating X-rays from an X-ray tube and counting X-ray photons in each of a plurality of energy bands in a vacant state in which no subject is arranged in an imaging range of the photon counting CT apparatus and/or in a state in which one or more types of corrective materials are arranged at a position through which X-rays radiated from the X-ray tube pass, and corrects measurement values in a material decomposition map based on the actually measured corrective measurement values.
Inventors:
Shinichi Kojima
Application Number:
JP2021001124A
Publication Date:
February 19, 2024
Filing Date:
January 06, 2021
Export Citation:
Assignee:
FUJIFILM Healthcare Co., Ltd.
International Classes:
A61B6/03; A61B6/42; A61B6/58; G01T1/17
Domestic Patent References:
| JP2019037550A | ||||
| JP2019532699A |
Foreign References:
| WO2014163187A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Sannozaka Patent Office