JP6564330B2 - フォトンカウンティングｃｔ装置 - Google Patents

フォトンカウンティングｃｔ装置 Download PDF

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JP6564330B2
JP6564330B2 JP2016010455A JP2016010455A JP6564330B2 JP 6564330 B2 JP6564330 B2 JP 6564330B2 JP 2016010455 A JP2016010455 A JP 2016010455A JP 2016010455 A JP2016010455 A JP 2016010455A JP 6564330 B2 JP6564330 B2 JP 6564330B2
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ray
unit
data
photon counting
detection unit
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Japanese (ja)
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JP2017127573A5 (enExample
JP2017127573A (ja
Inventor
小嶋　進一
進一 小嶋
康隆 昆野
康隆 昆野
史人 渡辺
史人 渡辺
高橋　勲
勲 高橋
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2016010455A priority Critical patent/JP6564330B2/ja
Priority to US16/071,810 priority patent/US10542947B2/en
Priority to PCT/JP2016/084099 priority patent/WO2017126208A1/ja
Priority to CN201680078044.3A priority patent/CN108472004B/zh
Publication of JP2017127573A publication Critical patent/JP2017127573A/ja
Publication of JP2017127573A5 publication Critical patent/JP2017127573A5/ja
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2016010455A 2016-01-22 2016-01-22 フォトンカウンティングｃｔ装置 Active JP6564330B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2016010455A JP6564330B2 (ja) 2016-01-22 2016-01-22 フォトンカウンティングｃｔ装置
US16/071,810 US10542947B2 (en) 2016-01-22 2016-11-17 Photon-counting CT apparatus
PCT/JP2016/084099 WO2017126208A1 (ja) 2016-01-22 2016-11-17 フォトンカウンティングｃｔ装置
CN201680078044.3A CN108472004B (zh) 2016-01-22 2016-11-17 光子计数ct装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016010455A JP6564330B2 (ja) 2016-01-22 2016-01-22 フォトンカウンティングｃｔ装置

Publications (3)

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JP2017127573A JP2017127573A (ja) 2017-07-27
JP2017127573A5 JP2017127573A5 (enExample) 2018-04-12
JP6564330B2 true JP6564330B2 (ja) 2019-08-21

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Family Applications (1)

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JP2016010455A Active JP6564330B2 (ja) 2016-01-22 2016-01-22 フォトンカウンティングｃｔ装置

Country Status (4)

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US (1) US10542947B2 (enExample)
JP (1) JP6564330B2 (enExample)
CN (1) CN108472004B (enExample)
WO (1) WO2017126208A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3367086B1 (en) * 2015-10-23 2024-09-11 Job Corporation X-ray device, data processing device, and data processing method
CN109833053B (zh) * 2019-02-28 2023-01-13 沈阳开普医疗影像技术有限公司 Ct形状过滤器缺陷的双能矫正方法
US11344266B2 (en) * 2019-09-16 2022-05-31 Redlen Technologies, Inc. Calibration methods for improving uniformity in X-ray photon counting detectors
US11779296B2 (en) * 2020-03-20 2023-10-10 Canon Medical Systems Corporation Photon counting detector based edge reference detector design and calibration method for small pixelated photon counting CT apparatus
CN117331110A (zh) * 2022-06-27 2024-01-02 上海联影医疗科技股份有限公司 一种用于成像系统的探测器
JP2024030533A (ja) * 2022-08-24 2024-03-07 キヤノンメディカルシステムズ株式会社 光子計数型のｘ線画像診断装置及びパイルアップ補正用の較正データの生成方法
WO2024062894A1 (ja) * 2022-09-22 2024-03-28 キヤノン株式会社 医用画像処理装置およびその制御方法、医用画像処理プログラム
JP2024082392A (ja) * 2022-12-08 2024-06-20 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置、データ処理方法、及びプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07384A (ja) * 1993-06-17 1995-01-06 Hitachi Medical Corp Ｘ線ｃｔ装置
JPH0824251A (ja) * 1994-07-14 1996-01-30 Hitachi Medical Corp Ｘ線断層像撮影装置および方法
US5991358A (en) * 1997-12-31 1999-11-23 Analogic Corporation Data acquisition system for generating accurate projection data in a CT scanner
US6256364B1 (en) * 1998-11-24 2001-07-03 General Electric Company Methods and apparatus for correcting for x-ray beam movement
WO2007049168A2 (en) * 2005-10-28 2007-05-03 Koninklijke Philips Electronics, N.V. Method and apparatus for spectral computed tomography
RU2575943C2 (ru) * 2011-01-10 2016-02-27 Конинклейке Филипс Электроникс Н.В. Получение данных компьютерной томографии (ст)
EP2664280A3 (en) * 2012-05-14 2013-12-04 Samsung Electronics Co., Ltd X-ray imaging apparatus and control method therefor
JP6073675B2 (ja) * 2012-12-28 2017-02-01 東芝メディカルシステムズ株式会社 Ｘ線ｃｔ装置及び制御プログラム
JP6289223B2 (ja) * 2013-04-04 2018-03-07 キヤノンメディカルシステムズ株式会社 Ｘ線コンピュータ断層撮影装置
US9459358B2 (en) * 2013-12-11 2016-10-04 Toshiba Medical Systems Corporation Reference calibration in photon counting based spectral CT
JP6289108B2 (ja) 2014-01-14 2018-03-07 キヤノンメディカルシステムズ株式会社 フォトンカウンティングｃｔ装置及びフォトンカウンティングｃｔデータ処理方法

Also Published As

Publication number Publication date
CN108472004A (zh) 2018-08-31
CN108472004B (zh) 2021-07-23
US10542947B2 (en) 2020-01-28
WO2017126208A1 (ja) 2017-07-27
US20190021685A1 (en) 2019-01-24
JP2017127573A (ja) 2017-07-27

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