IL96624A - Automatic brightness compensation for fluorography systems - Google Patents

Automatic brightness compensation for fluorography systems

Info

Publication number
IL96624A
IL96624A IL9662490A IL9662490A IL96624A IL 96624 A IL96624 A IL 96624A IL 9662490 A IL9662490 A IL 9662490A IL 9662490 A IL9662490 A IL 9662490A IL 96624 A IL96624 A IL 96624A
Authority
IL
Israel
Prior art keywords
picture elements
brightness
circuit
selected picture
summation
Prior art date
Application number
IL9662490A
Other languages
English (en)
Other versions
IL96624A0 (en
Original Assignee
Gen Electric
Schenectady
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 Gen Electric, Schenectady filed Critical Gen Electric
Publication of IL96624A0 publication Critical patent/IL96624A0/xx
Publication of IL96624A publication Critical patent/IL96624A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/36—Temperature of anode; Brightness of image power
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)
IL9662490A 1989-12-26 1990-12-10 Automatic brightness compensation for fluorography systems IL96624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/456,447 US5012504A (en) 1989-12-26 1989-12-26 Automatic brightness compensation for fluorography systems

Publications (2)

Publication Number Publication Date
IL96624A0 IL96624A0 (en) 1991-09-16
IL96624A true IL96624A (en) 1994-06-24

Family

ID=23812803

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9662490A IL96624A (en) 1989-12-26 1990-12-10 Automatic brightness compensation for fluorography systems

Country Status (4)

Country Link
US (1) US5012504A (fr)
EP (1) EP0435528A3 (fr)
JP (1) JPH0666911B2 (fr)
IL (1) IL96624A (fr)

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Publication number Priority date Publication date Assignee Title
DE4300829C2 (de) * 1993-01-14 1996-08-29 Siemens Ag Röntgendiagnostikeinrichtung
BE1007674A3 (nl) * 1993-10-28 1995-09-12 Philips Electronics Nv Röntgenonderzoekapparaat.
FR2722938B1 (fr) * 1994-07-25 1996-10-11 Ge Medical Syst Sa Procede de reglage de parametre(s) de fonctionnement d'un appareil radiologique et generateur correspondant
JP3786960B2 (ja) * 1994-12-23 2006-06-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 露出制御回路を有するｘ線検査装置
US5574764A (en) * 1995-06-06 1996-11-12 General Electric Company Digital brightness detector
US5617462A (en) * 1995-08-07 1997-04-01 Oec Medical Systems, Inc. Automatic X-ray exposure control system and method of use
US5585638A (en) * 1995-12-14 1996-12-17 General Electric Company X-ray detector for automatic exposure control of an imaging apparatus
US5675624A (en) * 1995-12-14 1997-10-07 General Electric Company Adaptive x-ray brightness and display control for a medical imaging system
US6282261B1 (en) 1996-02-21 2001-08-28 Lunar Corporation Multi-mode x-ray image intensifier system
EP0882275A1 (fr) * 1996-02-21 1998-12-09 Lunar Corporation Systeme d'imagerie aux rayons x
US5949848A (en) * 1996-07-19 1999-09-07 Varian Assocaites, Inc. X-ray imaging apparatus and method using a flat amorphous silicon imaging panel
DE69815252T2 (de) * 1997-04-24 2004-04-29 Koninklijke Philips Electronics N.V. Belichtungssteuerung auf basis von einem bedeutenden teil eines röntgenstrahlbildes
EP0909527B1 (fr) * 1997-04-24 2008-12-31 Koninklijke Philips Electronics N.V. Appareil d'examen aux rayons x comprenant un systeme de commande d'exposition
FR2803069B1 (fr) * 1999-12-28 2002-12-13 Ge Medical Syst Sa Procede et systeme de compensation de l'epaisseur d'un organe
US7321394B1 (en) * 2000-09-29 2008-01-22 Lucid, Inc. Automatic gain control for a confocal imaging system
DE10163215B4 (de) * 2001-12-21 2020-02-20 Philips Gmbh System und Verfahren mit automatisch optimierter Bilderzeugung
DE102004017180B4 (de) * 2004-04-07 2007-08-02 Siemens Ag Röntgendiagnostikeinrichtung zur digitalen Radiographie
US7778450B2 (en) * 2005-01-20 2010-08-17 Scimed Life Systems, Inc. Pattern recognition systems and methods
CN101170946A (zh) * 2005-05-04 2008-04-30 皇家飞利浦电子股份有限公司 X射线成像设备和方法
US7811320B2 (en) 2007-01-29 2010-10-12 Werblin Research & Development Corp. Intraocular lens system
CN101451966A (zh) * 2007-12-07 2009-06-10 Ge医疗系统环球技术有限公司 X-射线成像设备和x-射线控制方法
JP2010091869A (ja) * 2008-10-09 2010-04-22 Panasonic Electric Works Co Ltd 明るさ検知システム
JP6176821B2 (ja) * 2012-02-01 2017-08-09 東芝メディカルシステムズ株式会社 医用画像診断装置
CN105528764B (zh) 2015-12-01 2019-01-15 沈阳东软医疗系统有限公司 一种图像亮度调节方法、装置及设备
CN110099502B (zh) * 2019-04-23 2021-01-08 上海联影医疗科技股份有限公司 一种x光成像设备的自适应控制方法及系统
WO2020216307A1 (fr) 2019-04-23 2020-10-29 上海联影医疗科技有限公司 Procédé, système et dispositif d'acquisition d'image radiologique et support de stockage
WO2020247902A1 (fr) 2019-06-06 2020-12-10 The Research Foundation For The State University Of New York Système et procédé d'identification de fractures dans des images de radiologie numérisées
JP2023078875A (ja) * 2021-11-26 2023-06-07 キヤノン株式会社 放射線撮像装置、放射線撮像システム及び放射線撮像装置の制御方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783286A (en) * 1970-12-23 1974-01-01 Picker Corp X-ray image brightness stabilizer
DE2411630C2 (de) * 1974-03-12 1982-01-14 Philips Patentverwaltung Gmbh, 2000 Hamburg "Röntgeneinrichtung mit einem Belichtungsautomaten mit automatischer Wahl und Einschaltung der Meßfelder"
DE2855405A1 (de) * 1978-12-21 1980-07-10 Siemens Ag Roentgendiagnostikapparat zur durchleuchtung und aufnahme
US4454606A (en) * 1983-05-23 1984-06-12 General Electric Company Reconfigurable x-ray AEC compensation
US4590603A (en) * 1984-01-09 1986-05-20 General Electric Company Automatic X-ray entrance dose compensation
US4573183A (en) * 1984-06-29 1986-02-25 General Electric Company X-Ray image brightness control
NL8502569A (nl) * 1985-09-20 1987-04-16 Philips Nv Roentgenonderzoekapparaat met een locaal opgedeelde hulpdetector.
US4703496A (en) * 1985-12-30 1987-10-27 General Electric Company Automatic x-ray image brightness control
DE3600464A1 (de) * 1986-01-10 1987-07-16 Philips Patentverwaltung Roentgengenerator mit dosisleistungsregelung
EP0309813B1 (fr) * 1987-09-28 1992-12-09 Siemens Aktiengesellschaft Appareil de diagnostic par rayons X
EP0362427B1 (fr) * 1988-10-05 1993-01-27 Siemens Aktiengesellschaft Installation de radiodiagnostic comportant un détecteur de brillance moyenne d'image

Also Published As

Publication number Publication date
US5012504A (en) 1991-04-30
JPH0666911B2 (ja) 1994-08-24
EP0435528A3 (en) 1991-11-27
IL96624A0 (en) 1991-09-16
JPH04270575A (ja) 1992-09-25
EP0435528A2 (fr) 1991-07-03

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