JP7000582B2 - 電荷共有キャリブレーション方法及びシステム - Google Patents

電荷共有キャリブレーション方法及びシステム Download PDF

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JP7000582B2
JP7000582B2 JP2020537542A JP2020537542A JP7000582B2 JP 7000582 B2 JP7000582 B2 JP 7000582B2 JP 2020537542 A JP2020537542 A JP 2020537542A JP 2020537542 A JP2020537542 A JP 2020537542A JP 7000582 B2 JP7000582 B2 JP 7000582B2
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detector
pixel size
charge sharing
pixel
datasets
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JP2021509957A (ja
JP2021509957A5 (enExample
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ロガー シュテットマン，ボーカー
レッスル，エヴァルト
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Koninklijke Philips NV
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2928—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state detectors
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2020537542A 2018-01-09 2019-01-08 電荷共有キャリブレーション方法及びシステム Active JP7000582B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18150759.1 2018-01-09
EP18150759.1A EP3508887A1 (en) 2018-01-09 2018-01-09 Charge sharing calibration method and system
PCT/EP2019/050323 WO2019137901A1 (en) 2018-01-09 2019-01-08 Charge sharing calibration method and system

Publications (3)

Publication Number Publication Date
JP2021509957A JP2021509957A (ja) 2021-04-08
JP2021509957A5 JP2021509957A5 (enExample) 2021-09-24
JP7000582B2 true JP7000582B2 (ja) 2022-01-19

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JP2020537542A Active JP7000582B2 (ja) 2018-01-09 2019-01-08 電荷共有キャリブレーション方法及びシステム

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US (1) US11178346B2 (enExample)
EP (2) EP3508887A1 (enExample)
JP (1) JP7000582B2 (enExample)
CN (1) CN111566514B (enExample)
WO (1) WO2019137901A1 (enExample)

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EP3709059A1 (en) * 2019-03-14 2020-09-16 Koninklijke Philips N.V. Charge sharing compensation with sampled discriminators
CN116324516A (zh) 2020-08-27 2023-06-23 美国亚德诺半导体公司 能量合并事件计数系统
US11644587B2 (en) * 2021-01-20 2023-05-09 Canon Medical Systems Corporation Pixel summing scheme and methods for material decomposition calibration in a full size photon counting computed tomography system
CN115015986A (zh) * 2022-06-08 2022-09-06 北京纳米维景科技有限公司 一种能量积分与光子计数混合成像的x射线探测器及ct机
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
CN120769982A (zh) * 2023-02-27 2025-10-10 世高株式会社 X射线检查装置以及程序
SE2450275A1 (en) * 2024-03-12 2025-06-17 Varex Imaging Sweden Ab Method of handling radiation, readout circuit, radiation detector, and imaging apparatus

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US20170322319A1 (en) 2016-05-03 2017-11-09 Redlen Technologies, Inc. Sub-pixel segmentation for semiconductor radiation detectors and methods of fabricating thereof

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US20170322319A1 (en) 2016-05-03 2017-11-09 Redlen Technologies, Inc. Sub-pixel segmentation for semiconductor radiation detectors and methods of fabricating thereof

Also Published As

Publication number Publication date
US20210067710A1 (en) 2021-03-04
CN111566514B (zh) 2024-09-10
EP3737973A1 (en) 2020-11-18
JP2021509957A (ja) 2021-04-08
EP3737973B1 (en) 2023-07-12
WO2019137901A1 (en) 2019-07-18
EP3508887A1 (en) 2019-07-10
US11178346B2 (en) 2021-11-16
CN111566514A (zh) 2020-08-21

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