FI121051B - Automaattinen kuvan valotuksen säätömenetelmä ja menetelmää käyttävä automaattinen valotuksen säätöjärjestelmä - Google Patents

Automaattinen kuvan valotuksen säätömenetelmä ja menetelmää käyttävä automaattinen valotuksen säätöjärjestelmä Download PDF

Info

Publication number
FI121051B
FI121051B FI20050457A FI20050457A FI121051B FI 121051 B FI121051 B FI 121051B FI 20050457 A FI20050457 A FI 20050457A FI 20050457 A FI20050457 A FI 20050457A FI 121051 B FI121051 B FI 121051B
Authority
FI
Finland
Prior art keywords
dark current
ray
radiography
pixel
exposure
Prior art date
Application number
FI20050457A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20050457L (fi
FI20050457A0 (fi
Inventor
Masakazu Suzuki
Takahiro Yoshimura
Takeshi Hayashi
Kouichi Sonobe
Original Assignee
Morita Mfg
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 Morita Mfg filed Critical Morita Mfg
Publication of FI20050457A0 publication Critical patent/FI20050457A0/fi
Publication of FI20050457L publication Critical patent/FI20050457L/fi
Application granted granted Critical
Publication of FI121051B publication Critical patent/FI121051B/fi

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
    • A61B6/50—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

Landscapes

  • 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)
FI20050457A 2004-04-30 2005-04-29 Automaattinen kuvan valotuksen säätömenetelmä ja menetelmää käyttävä automaattinen valotuksen säätöjärjestelmä FI121051B (fi)

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
JP2004136620 2004-04-30

Publications (3)

Publication Number Publication Date
FI20050457A0 FI20050457A0 (fi) 2005-04-29
FI20050457L FI20050457L (fi) 2005-10-31
FI121051B true FI121051B (fi) 2010-06-15

Family

ID=34510731

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20050457A FI121051B (fi) 2004-04-30 2005-04-29 Automaattinen kuvan valotuksen säätömenetelmä ja menetelmää käyttävä automaattinen valotuksen säätöjärjestelmä

Country Status (4)

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

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2455664B (en) * 2006-09-13 2011-02-16 Exxonmobil Upstream Res Co Rapid inversion of electromagnetic reconnaissance survey data
WO2009075961A1 (en) 2007-12-12 2009-06-18 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
CN102573644B (zh) * 2009-07-31 2015-07-01 牙科成像技术公司 使用分割和主牙弓的全景牙科成像
US8873712B2 (en) * 2010-04-13 2014-10-28 Carestream Health, Inc. Exposure control using digital radiography detector
WO2012015542A1 (en) 2010-07-27 2012-02-02 Exxonmobil Upstream Research Company Inverting geophysical data for geological parameters or lithology
US9195783B2 (en) 2010-08-16 2015-11-24 Exxonmobil Upstream Research Company Reducing the dimensionality of the joint inversion problem
EP2715603A4 (en) 2011-06-02 2016-07-13 Exxonmobil Upstream Res Co JOINT INVERSION WITH UNKNOWN LITHOLOGY
WO2012173718A1 (en) 2011-06-17 2012-12-20 Exxonmobil Upstream Research Company Domain freezing in joint inversion
US9494711B2 (en) 2011-07-21 2016-11-15 Garrett M Leahy 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
CN111314632B (zh) * 2013-03-14 2023-04-21 株式会社尼康 摄像单元及摄像装置
US9846255B2 (en) 2013-04-22 2017-12-19 Exxonmobil Upstream Research Company Reverse semi-airborne electromagnetic prospecting
JPWO2015076082A1 (ja) * 2013-11-22 2017-03-16 株式会社日立製作所 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
EP4385207A1 (en) 2021-08-11 2024-06-19 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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH02164184A (ja) * 1988-12-19 1990-06-25 Toshiba Corp Ｘ線診断装置
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
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
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
US6453008B1 (en) * 1999-07-29 2002-09-17 Kabushiki Kaisha Toshiba Radiation detector noise reduction method and radiation detector
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
US6713769B2 (en) * 2002-02-07 2004-03-30 Ge Medical Systems Global Technology Company, Llc Method of sensing temperature of a digital X-ray imaging system

Also Published As

Publication number Publication date
FI20050457L (fi) 2005-10-31
DE102005020160B4 (de) 2020-03-19
FI20050457A0 (fi) 2005-04-29
US20050242269A1 (en) 2005-11-03
DE102005020160A1 (de) 2005-12-22
JP4264382B2 (ja) 2009-05-13
US7262399B2 (en) 2007-08-28
JP2005312810A (ja) 2005-11-10

Similar Documents

Publication Publication Date Title
US7262399B2 (en) Automatic exposure control method of image and automatic exposure control system using the method
FI121050B (fi) Menetelmä ja järjestelmä 2-ulotteisen kuvan muodostamiseksi käyttämällä elektronista kuvailmaisinta
Boyer et al. A review of electronic portal imaging devices (EPIDs)
JP3197560B2 (ja) 画像装置のダイナミックレンジを改善するための方法
US5712890A (en) Full breast digital mammography device
EP0223545B1 (en) Energy dependent gain correction
JP3197559B2 (ja) 画像増強検出器を使用するコンピュータｘ線断層撮影装置
JP3487599B2 (ja) 改良されたｘ線容積測定ｃｔスキャナー
EP0489908B1 (en) Method for increasing the accuracy of a radiation therapy apparatus
AU737665B2 (en) Bone densitometry using X-ray imaging systems
WO2001050960A2 (en) Method and apparatus for osteoporosis screening
WO2006005059A2 (en) High resolution proton beam monitor
JP2003194950A (ja) Ｘ線撮像用ハイブリッド検出器
JP2002505752A (ja) フィルム無し光量子撮像装置
US5623139A (en) CCD X-ray microdensitometer system
WO1996004684A9 (en) Ccd x-ray densitometer system
JPH0730815A (ja) Ｘ線検査装置
US7612357B2 (en) Apparatus for reading out X-ray information stored in storage phosphor layer and radiography module
US20070153975A1 (en) Apparatus for Reading Out X-ray Information Stored in Storage Phosphor Layer and Radiography Module
WO2012070661A1 (ja) 放射線画像検出装置、放射線撮影装置、及び放射線撮影システム
ITVR950019A1 (it) Procedimento ed apparecchio radiologico per l'ottenimento simultaneo di sezioni bidimensionali e viste tridimensionali di un complesso - anatomico
Boyer et al. Mobius-x" Tºtacis
JPH0954198A (ja) Ｘ線−光変換部材用鮮鋭度測定方法及び該装置

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 121051

Country of ref document: FI