FR2832015B1 - Procede d'identification et de correction de pixel ayant une remanence excessive dans un detecteur de rayons x a l'etat solide. - Google Patents

Procede d'identification et de correction de pixel ayant une remanence excessive dans un detecteur de rayons x a l'etat solide.

Info

Publication number
FR2832015B1
FR2832015B1 FR0213571A FR0213571A FR2832015B1 FR 2832015 B1 FR2832015 B1 FR 2832015B1 FR 0213571 A FR0213571 A FR 0213571A FR 0213571 A FR0213571 A FR 0213571A FR 2832015 B1 FR2832015 B1 FR 2832015B1
Authority
FR
France
Prior art keywords
pixel
ray detector
remanence
correcting
excessive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0213571A
Other languages
English (en)
Other versions
FR2832015A1 (fr
Inventor
Jibril Odogba
Kenneth Scott Kump
John Moore Boudry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of FR2832015A1 publication Critical patent/FR2832015A1/fr
Application granted granted Critical
Publication of FR2832015B1 publication Critical patent/FR2832015B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/68—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Multimedia (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR0213571A 2001-11-02 2002-10-30 Procede d'identification et de correction de pixel ayant une remanence excessive dans un detecteur de rayons x a l'etat solide. Expired - Fee Related FR2832015B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/682,961 US6404853B1 (en) 2001-11-02 2001-11-02 Method for identifying and correcting pixels with excess pixel lag in a solid state x-ray detector

Publications (2)

Publication Number Publication Date
FR2832015A1 FR2832015A1 (fr) 2003-05-09
FR2832015B1 true FR2832015B1 (fr) 2004-08-20

Family

ID=24741968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0213571A Expired - Fee Related FR2832015B1 (fr) 2001-11-02 2002-10-30 Procede d'identification et de correction de pixel ayant une remanence excessive dans un detecteur de rayons x a l'etat solide.

Country Status (3)

Country Link
US (1) US6404853B1 (fr)
JP (1) JP2003299641A (fr)
FR (1) FR2832015B1 (fr)

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US6621887B2 (en) * 2001-10-15 2003-09-16 General Electric Company Method and apparatus for processing a fluoroscopic image
US7317559B2 (en) * 2002-04-05 2008-01-08 Canon Kabushiki Kaisha Imaging device and imaging method for use in such device
US7092558B2 (en) 2002-08-14 2006-08-15 General Electric Company Automated optimization of medical 3D visualizations
US6920198B2 (en) * 2003-05-02 2005-07-19 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for processing a fluoroscopic image
US7215801B2 (en) * 2003-06-05 2007-05-08 General Electric Company Method, system and apparatus for processing radiographic images of scanned objects
JP4346968B2 (ja) * 2003-06-13 2009-10-21 キヤノン株式会社 放射線撮影方法、放射線撮影装置、及びコンピュータプログラム
JP4411891B2 (ja) * 2003-07-09 2010-02-10 株式会社島津製作所 放射線撮像装置および放射線検出信号処理方法
JP4468083B2 (ja) * 2003-08-26 2010-05-26 キヤノン株式会社 放射線撮影装置、放射線撮影方法
JP4415635B2 (ja) * 2003-10-08 2010-02-17 株式会社島津製作所 放射線撮像装置
US7558412B2 (en) * 2004-02-06 2009-07-07 General Electric Company System and method for compensation of scintillator hysteresis in x-ray detectors
JP4400249B2 (ja) * 2004-02-25 2010-01-20 株式会社島津製作所 放射線断層撮影装置
US7369711B2 (en) * 2004-02-26 2008-05-06 Ge Medical Systems Global Technology Company, Llc Asynchronous calibration and correction of a solid-state detector
DE602005004410T2 (de) * 2004-07-07 2009-01-08 Philips Intellectual Property & Standards Gmbh System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern
CN101166468B (zh) * 2005-08-31 2010-07-14 株式会社岛津制作所 放射线摄像装置和放射线检测信号处理方法
JP4645480B2 (ja) * 2006-02-28 2011-03-09 株式会社島津製作所 放射線撮像装置および放射線検出信号処理方法
JP5010839B2 (ja) * 2006-03-16 2012-08-29 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線撮影装置および画像処理装置
JP4874843B2 (ja) * 2007-03-22 2012-02-15 富士フイルム株式会社 放射線画像撮影方法および放射線画像撮影装置
JP4814138B2 (ja) * 2007-03-27 2011-11-16 富士フイルム株式会社 放射線画像撮影方法および放射線画像撮影装置
US9097809B2 (en) * 2011-06-30 2015-08-04 Carestream Health, Inc. Radiographic detector including trap occupancy change monitor and feedback, imaging apparatus and methods using the same
CN103405241B (zh) * 2013-07-21 2015-07-08 西北工业大学 一种射线成像的探测器余辉校正方法
JP6188488B2 (ja) * 2013-08-27 2017-08-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
DE102015213911B4 (de) * 2015-07-23 2019-03-07 Siemens Healthcare Gmbh Verfahren zum Erzeugen eines Röntgenbildes und Datenverarbeitungseinrichtung zum Ausführen des Verfahrens
CN105574833B (zh) * 2015-12-23 2018-11-27 上海奕瑞光电子科技股份有限公司 探测器暗场图像模板中震颤或敲击伪影的识别及校正方法
JP2017158018A (ja) * 2016-03-01 2017-09-07 キヤノン株式会社 画像処理装置およびその制御方法、撮像装置
JP7636278B2 (ja) * 2021-06-29 2025-02-26 株式会社日立ハイテク 検査装置及び計測装置
US12144672B2 (en) * 2021-11-29 2024-11-19 GE Precision Healthcare LLC System and method for autonomous identification of heterogeneous phantom regions
CN119126184B (zh) * 2024-09-12 2025-11-07 安徽极光钛科医疗科技有限公司 一种x射线直接成像探测器的读出电路调节方法及系统

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JPH05153503A (ja) * 1991-11-26 1993-06-18 Toshiba Corp 残像除去方法
US5657400A (en) 1995-01-31 1997-08-12 General Electric Company Automatic identification and correction of bad pixels in a large area solid state x-ray detector
JP3363735B2 (ja) * 1996-06-26 2003-01-08 松下電器産業株式会社 Ｘ線画像装置
US5970115A (en) * 1996-11-29 1999-10-19 Varian Medical Systems, Inc. Multiple mode digital X-ray imaging system
DE69738105T2 (de) * 1996-12-23 2008-05-29 Koninklijke Philips Electronics N.V. Röntgenstrahl-Untersuchungsvorrichtung mit Röntgenstrahl-Bildsensormatrix und Korrektureinheit
DE19823958C2 (de) * 1998-05-28 2002-08-01 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Bilderzeugung bei der digitalen dentalen Radioskopie
FR2786648B1 (fr) * 1998-11-30 2001-01-05 Commissariat Energie Atomique Procede de correction des defauts d'images issues d'un detecteur de rayons x ou y de type matriciel
US6118846A (en) * 1999-02-23 2000-09-12 Direct Radiography Corp. Bad pixel column processing in a radiation detection panel

Also Published As

Publication number Publication date
US6404853B1 (en) 2002-06-11
FR2832015A1 (fr) 2003-05-09
JP2003299641A (ja) 2003-10-21

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Effective date: 20100630