CN108472004B - 光子计数ct装置 - Google Patents

光子计数ct装置 Download PDF

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Publication number
CN108472004B
CN108472004B CN201680078044.3A CN201680078044A CN108472004B CN 108472004 B CN108472004 B CN 108472004B CN 201680078044 A CN201680078044 A CN 201680078044A CN 108472004 B CN108472004 B CN 108472004B
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ray
data
unit
detector
correction
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CN108472004A (zh
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小岛进一
昆野康隆
渡边史人
高桥勋
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Fujifilm Corp
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Hitachi Ltd
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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)
CN201680078044.3A 2016-01-22 2016-11-17 光子计数ct装置 Active CN108472004B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-010455 2016-01-22
JP2016010455A JP6564330B2 (ja) 2016-01-22 2016-01-22 フォトンカウンティングｃｔ装置
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

Publications (2)

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CN108472004A CN108472004A (zh) 2018-08-31
CN108472004B true CN108472004B (zh) 2021-07-23

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CN201680078044.3A Active CN108472004B (zh) 2016-01-22 2016-11-17 光子计数ct装置

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

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* 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297221A (zh) * 2005-10-28 2008-10-29 皇家飞利浦电子股份有限公司 用于谱计算机断层摄影的方法和设备
EP2664280A2 (en) * 2012-05-14 2013-11-20 Samsung Electronics Co., Ltd X-ray imaging apparatus and control method therefor
CN103501700A (zh) * 2011-01-10 2014-01-08 皇家飞利浦电子股份有限公司 计算机断层摄影（ct）数据采集
US20150160355A1 (en) * 2013-12-11 2015-06-11 Toshiba Medical Systems Corporation Reference calibration in photon counting based spectral ct
CN105073010A (zh) * 2013-04-04 2015-11-18 株式会社东芝 X射线计算机断层摄影装置

Family Cites Families (6)

* 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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297221A (zh) * 2005-10-28 2008-10-29 皇家飞利浦电子股份有限公司 用于谱计算机断层摄影的方法和设备
CN103501700A (zh) * 2011-01-10 2014-01-08 皇家飞利浦电子股份有限公司 计算机断层摄影（ct）数据采集
EP2664280A2 (en) * 2012-05-14 2013-11-20 Samsung Electronics Co., Ltd X-ray imaging apparatus and control method therefor
CN105073010A (zh) * 2013-04-04 2015-11-18 株式会社东芝 X射线计算机断层摄影装置
US20150160355A1 (en) * 2013-12-11 2015-06-11 Toshiba Medical Systems Corporation Reference calibration in photon counting based spectral ct

Also Published As

Publication number Publication date
CN108472004A (zh) 2018-08-31
US10542947B2 (en) 2020-01-28
JP6564330B2 (ja) 2019-08-21
WO2017126208A1 (ja) 2017-07-27
US20190021685A1 (en) 2019-01-24
JP2017127573A (ja) 2017-07-27

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