DE102005020160B4 - Verfahren und Vorrichtung zur automatischen Bildbelichtungssteuerung - Google Patents

Verfahren und Vorrichtung zur automatischen Bildbelichtungssteuerung Download PDF

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Publication number
DE102005020160B4
DE102005020160B4 DE102005020160.1A DE102005020160A DE102005020160B4 DE 102005020160 B4 DE102005020160 B4 DE 102005020160B4 DE 102005020160 A DE102005020160 A DE 102005020160A DE 102005020160 B4 DE102005020160 B4 DE 102005020160B4
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Germany
Prior art keywords
dark current
signals
picture element
output
ray
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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 - Lifetime
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DE102005020160.1A
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German (de)
English (en)
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DE102005020160A1 (de
Inventor
Takeshi Hayashi
Kouichi Sonobe
Takahiro Yoshimura
Masakazu Suzuki
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J Morita Manufaturing Corp
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J Morita Manufaturing Corp
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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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/548—Remote control of the apparatus or devices
    • 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
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • 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
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/711—Time delay and integration [TDI] registers; TDI shift registers

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE102005020160.1A 2004-04-30 2005-04-29 Verfahren und Vorrichtung zur automatischen Bildbelichtungssteuerung Expired - Lifetime DE102005020160B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004136620A JP4264382B2 (ja) 2004-04-30 2004-04-30 撮影画像の自動露出制御方法及びその方法を用いた自動露出制御装置
JP2004-136620 2004-04-30

Publications (2)

Publication Number Publication Date
DE102005020160A1 DE102005020160A1 (de) 2005-12-22
DE102005020160B4 true DE102005020160B4 (de) 2020-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102005020160.1A Expired - Lifetime DE102005020160B4 (de) 2004-04-30 2005-04-29 Verfahren und Vorrichtung zur automatischen Bildbelichtungssteuerung

Country Status (4)

Country Link
US (1) US7262399B2 (https=)
JP (1) JP4264382B2 (https=)
DE (1) DE102005020160B4 (https=)
FI (1) FI121051B (https=)

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FR2888044B1 (fr) * 2005-07-01 2007-08-31 Atmel Grenoble Soc Par Actions Capteur d'image a coins coupes
JP2007175294A (ja) * 2005-12-28 2007-07-12 Ge Medical Systems Global Technology Co Llc イメージセンサ及びその制御方法並びにｘ線検出器及びｘ線ｃｔ装置
CA2663662C (en) * 2006-09-13 2016-07-05 Exxonmobil Upstream Research Company Rapid inversion of electromagnetic reconnaissance survey data
US8547783B2 (en) 2007-12-12 2013-10-01 Exxonmobil Upstream Research Company Method and apparatus for evaluating submarine formations
KR100941499B1 (ko) 2008-01-15 2010-02-10 (주)이우테크놀로지 맘모 기능이 구비된 ｘ선 촬영장치
JP2009260871A (ja) * 2008-04-21 2009-11-05 Nikon Corp 撮像装置
KR100994836B1 (ko) 2008-04-25 2010-11-17 주식회사바텍 대면적 디지털 센서를 구비한 치과용 엑스선 촬영장치
EP2221848A1 (en) * 2009-02-18 2010-08-25 LightLab Sweden AB X-ray source comprising a field emission cathode
DK2459070T3 (da) 2009-07-31 2020-06-02 Dental Imaging Technologies Corp Panorama-tandbilleddannelse med anvendelse af segmentering og en master-bue
US8873712B2 (en) * 2010-04-13 2014-10-28 Carestream Health, Inc. Exposure control using digital radiography detector
EP2598915B1 (en) 2010-07-27 2018-11-07 Exxonmobil Upstream Research Company Inverting geophysical data for geological parameters or lithology
EP2606452A4 (en) 2010-08-16 2017-08-16 Exxonmobil Upstream Research Company Reducing the dimensionality of the joint inversion problem
US9453929B2 (en) 2011-06-02 2016-09-27 Exxonmobil Upstream Research Company Joint inversion with unknown lithology
US9702995B2 (en) 2011-06-17 2017-07-11 Exxonmobil Upstream Research Company Domain freezing in joint inversion
WO2013012470A1 (en) 2011-07-21 2013-01-24 Exxonmobil Upstream Research Company Adaptive weighting of geophysical data types in joint inversion
CN102846328B (zh) * 2012-08-23 2014-07-02 上海奕瑞光电子科技有限公司 一种数字摄影自动曝光控制装置及控制方法
DE102012215563A1 (de) * 2012-09-03 2014-03-06 Siemens Aktiengesellschaft Dosismessvorrichtung
US10591638B2 (en) 2013-03-06 2020-03-17 Exxonmobil Upstream Research Company Inversion of geophysical data on computer system having parallel processors
US11363938B2 (en) * 2013-03-14 2022-06-21 Ormco Corporation Feedback control mechanism for adjustment of imaging parameters in a dental imaging system
CN111327804B (zh) * 2013-03-14 2023-04-18 株式会社尼康 摄像元件及摄像装置
US9846255B2 (en) 2013-04-22 2017-12-19 Exxonmobil Upstream Research Company Reverse semi-airborne electromagnetic prospecting
WO2015076082A1 (ja) * 2013-11-22 2015-05-28 株式会社 日立メディコ 磁気共鳴イメージング装置
JP6482827B2 (ja) * 2014-11-14 2019-03-13 株式会社Ｋｅｅｎメディカルフィジックス 照射位置検出装置
CN105741239B (zh) * 2014-12-11 2018-11-30 合肥美亚光电技术股份有限公司 牙齿全景图像的生成方法、装置及用于拍摄牙齿的全景机
CN106959314B (zh) * 2017-03-31 2024-07-05 上海品臻影像科技有限公司 一种测试装置
JP7046698B2 (ja) 2018-04-24 2022-04-04 浜松ホトニクス株式会社 放射線検出器、放射線検出器の製造方法、及び画像処理方法
CN111227854B (zh) * 2018-11-28 2024-01-26 上海西门子医疗器械有限公司 X-射线成像的自动曝光控制方法、存储介质和医疗设备
EP3777693B1 (en) * 2019-08-12 2022-03-16 DENTSPLY SIRONA Inc. Measurement and data communication device for an intraoral dental radiology system
FR3115192A1 (fr) * 2020-10-15 2022-04-22 Trixell Procédé de contrôle d’exposition en temps réel d’une dose de rayons X
JP7718879B2 (ja) * 2021-07-08 2025-08-05 株式会社ニューフレアテクノロジー 画像取得方法及び画像取得装置
US12108175B2 (en) 2021-08-11 2024-10-01 American Sterilizer Company Dynamic fixed pattern noise calibrations
CN113992908B (zh) * 2021-10-26 2023-06-09 西安微电子技术研究所 一种cmos图像传感器暗电流的计算方法及系统
US12335643B2 (en) * 2023-03-16 2025-06-17 Cista System Corp. Apparatus and method of dark current calibration and correction

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US5038369A (en) * 1988-12-19 1991-08-06 Kabushiki Kaisha Toshiba X-ray fluoroscopic apparatus
DE19605618A1 (de) * 1996-02-15 1997-08-21 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Bestimmen der Dichte eines Faserstrangs der tabakverarbeitenden Industrie
DE19734717A1 (de) * 1997-08-11 1999-02-25 Sirona Dental Systems Gmbh Verfahren zur Kompensation des Dunkelstroms bei der Erstellung von zahnärztlichen Panorama- und/oder cephalometrischen Schichtaufnahmen
US6453008B1 (en) * 1999-07-29 2002-09-17 Kabushiki Kaisha Toshiba Radiation detector noise reduction method and radiation detector
DE10304839A1 (de) * 2002-02-07 2003-08-21 Ge Med Sys Global Tech Co Llc Verfahren zur Erfassung der Temperatur eines digitalen Röntgenabbildungssytems

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DE3529108A1 (de) 1985-08-14 1987-02-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur erzeugung einer roentgenaufnahme mittels eines fotoleiters und anordnung zur durchfuehrung des verfahrens
US5331682A (en) * 1991-11-25 1994-07-19 General Electric Company Radiation detector offset and afterglow compensation technique
JP3255371B2 (ja) 1992-07-22 2002-02-12 浜松ホトニクス株式会社 Ｘ線撮像装置
DE69429142T2 (de) * 1993-09-03 2002-08-22 Koninklijke Philips Electronics N.V., Eindhoven Roentgenbildaufnehmer
US5617462A (en) * 1995-08-07 1997-04-01 Oec Medical Systems, Inc. Automatic X-ray exposure control system and method of use
US5693948A (en) 1995-11-21 1997-12-02 Loral Fairchild Corporation Advanced CCD-based x-ray image sensor system
JP3708347B2 (ja) 1998-12-21 2005-10-19 松下電器産業株式会社 パノラマｘ線撮影装置
WO2001058148A1 (en) * 2000-02-02 2001-08-09 Dentsply International Inc. Automatic x-ray detection for intra-oral dental x-ray imaging apparatus
US6459765B1 (en) * 2000-12-28 2002-10-01 Ge Medical Systems Global Technology Company, Llc Automatic exposure control and optimization in digital x-ray radiography

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038369A (en) * 1988-12-19 1991-08-06 Kabushiki Kaisha Toshiba X-ray fluoroscopic apparatus
DE19605618A1 (de) * 1996-02-15 1997-08-21 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Bestimmen der Dichte eines Faserstrangs der tabakverarbeitenden Industrie
DE19734717A1 (de) * 1997-08-11 1999-02-25 Sirona Dental Systems Gmbh Verfahren zur Kompensation des Dunkelstroms bei der Erstellung von zahnärztlichen Panorama- und/oder cephalometrischen Schichtaufnahmen
US6453008B1 (en) * 1999-07-29 2002-09-17 Kabushiki Kaisha Toshiba Radiation detector noise reduction method and radiation detector
DE10304839A1 (de) * 2002-02-07 2003-08-21 Ge Med Sys Global Tech Co Llc Verfahren zur Erfassung der Temperatur eines digitalen Röntgenabbildungssytems

Also Published As

Publication number Publication date
JP2005312810A (ja) 2005-11-10
JP4264382B2 (ja) 2009-05-13
FI20050457L (fi) 2005-10-31
DE102005020160A1 (de) 2005-12-22
FI20050457A0 (fi) 2005-04-29
US20050242269A1 (en) 2005-11-03
FI121051B (fi) 2010-06-15
US7262399B2 (en) 2007-08-28

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