JP7420137B2 - 信号処理装置、撮像装置、信号処理方法 - Google Patents

信号処理装置、撮像装置、信号処理方法 Download PDF

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JP7420137B2
JP7420137B2 JP2021511222A JP2021511222A JP7420137B2 JP 7420137 B2 JP7420137 B2 JP 7420137B2 JP 2021511222 A JP2021511222 A JP 2021511222A JP 2021511222 A JP2021511222 A JP 2021511222A JP 7420137 B2 JP7420137 B2 JP 7420137B2
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value
brightness adjustment
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switching
gain
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JPWO2020202904A1 (https=
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慧 柿谷
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Sony Corp
Sony Group Corp
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Sony Corp
Sony Group Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002Operational features of endoscopes
    • A61B1/00004Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00006Operational features of endoscopes characterised by electronic signal processing of control signals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002Operational features of endoscopes
    • A61B1/00004Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00009Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
    • A61B1/000095Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope for image enhancement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/045Control thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091Digital circuits
    • G03B7/095Digital circuits for control of aperture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/663Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/667Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/72Combination of two or more compensation controls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/73Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/75Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/76Circuitry for compensating brightness variation in the scene by influencing the image signals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00147Holding or positioning arrangements
    • A61B1/00149Holding or positioning arrangements using articulated arms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163Optical arrangements
    • A61B1/00188Optical arrangements with focusing or zooming features
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/042Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/043Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances for fluorescence imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661Endoscope light sources
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661Endoscope light sources
    • A61B1/0684Endoscope light sources using light emitting diodes [LED]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Endoscopes (AREA)
JP2021511222A 2019-03-29 2020-02-25 信号処理装置、撮像装置、信号処理方法 Active JP7420137B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019066240 2019-03-29
JP2019066240 2019-03-29
PCT/JP2020/007431 WO2020202904A1 (ja) 2019-03-29 2020-02-25 信号処理装置、撮像装置、信号処理方法

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JPWO2020202904A1 JPWO2020202904A1 (https=) 2020-10-08
JP7420137B2 true JP7420137B2 (ja) 2024-01-23

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US (1) US12070182B2 (https=)
EP (1) EP3934236B1 (https=)
JP (1) JP7420137B2 (https=)
WO (1) WO2020202904A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11457154B2 (en) 2019-06-20 2022-09-27 Cilag Gmbh International Speckle removal in a pulsed hyperspectral, fluorescence, and laser mapping imaging system
US11700995B2 (en) * 2019-06-20 2023-07-18 Cilag Gmbh International Speckle removal in a pulsed fluorescence imaging system
DE112021005519T5 (de) * 2020-10-19 2023-11-02 Sony Semiconductor Solutions Corporation Bildgebungselement und elektronisches instrument
JP2024031119A (ja) * 2022-08-25 2024-03-07 富士フイルム株式会社 画像処理装置、画像処理方法、画像処理プログラム、及び内視鏡システム

Citations (9)

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JP2006352715A (ja) 2005-06-17 2006-12-28 Casio Comput Co Ltd デジタルカメラ、及びその露出制御方法
JP2013031010A (ja) 2011-07-28 2013-02-07 Olympus Imaging Corp 撮像装置、撮像方法およびプログラム
JP2013047766A (ja) 2011-07-27 2013-03-07 Nikon Corp レンズ鏡筒、カメラシステム及びカメラボディ
JP2013085088A (ja) 2011-10-07 2013-05-09 Nikon Corp 撮像装置、レンズユニット、撮像装置の制御プログラムおよびレンズユニットの制御プログラム
WO2013168493A1 (ja) 2012-05-10 2013-11-14 富士フイルム株式会社 信号処理装置、撮像装置、信号補正方法
JP2016184874A (ja) 2015-03-26 2016-10-20 オリンパス株式会社 撮像装置および撮像方法
JP2017011389A (ja) 2015-06-18 2017-01-12 オリンパス株式会社 露出制御装置および露出制御方法
JP2017161662A (ja) 2016-03-09 2017-09-14 キヤノン株式会社 撮像装置および絞り制御方法
WO2018173725A1 (ja) 2017-03-24 2018-09-27 富士フイルム株式会社 撮像装置、撮像方法、及び撮像プログラム

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JP2003219254A (ja) * 2002-01-25 2003-07-31 Matsushita Electric Ind Co Ltd 撮影モード切換え機能付きカメラ
US20070024741A1 (en) * 2004-08-30 2007-02-01 Matsushita Electric Indrstrial Co., Ltd Image processing device
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JP4310317B2 (ja) * 2006-02-06 2009-08-05 キヤノン株式会社 可視成分割合算出方法、およびそれを用いた光学機器
JP6071440B2 (ja) * 2012-01-27 2017-02-01 キヤノン株式会社 撮像装置及びその制御方法
JP2015111746A (ja) 2012-04-09 2015-06-18 ソニー株式会社 画像処理装置、画像処理方法、プログラム
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352715A (ja) 2005-06-17 2006-12-28 Casio Comput Co Ltd デジタルカメラ、及びその露出制御方法
JP2013047766A (ja) 2011-07-27 2013-03-07 Nikon Corp レンズ鏡筒、カメラシステム及びカメラボディ
JP2013031010A (ja) 2011-07-28 2013-02-07 Olympus Imaging Corp 撮像装置、撮像方法およびプログラム
JP2013085088A (ja) 2011-10-07 2013-05-09 Nikon Corp 撮像装置、レンズユニット、撮像装置の制御プログラムおよびレンズユニットの制御プログラム
WO2013168493A1 (ja) 2012-05-10 2013-11-14 富士フイルム株式会社 信号処理装置、撮像装置、信号補正方法
JP2016184874A (ja) 2015-03-26 2016-10-20 オリンパス株式会社 撮像装置および撮像方法
JP2017011389A (ja) 2015-06-18 2017-01-12 オリンパス株式会社 露出制御装置および露出制御方法
JP2017161662A (ja) 2016-03-09 2017-09-14 キヤノン株式会社 撮像装置および絞り制御方法
WO2018173725A1 (ja) 2017-03-24 2018-09-27 富士フイルム株式会社 撮像装置、撮像方法、及び撮像プログラム

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EP3934236A4 (en) 2022-04-27
EP3934236B1 (en) 2025-08-06
US20220217260A1 (en) 2022-07-07
WO2020202904A1 (ja) 2020-10-08
US12070182B2 (en) 2024-08-27
EP3934236A1 (en) 2022-01-05
JPWO2020202904A1 (https=) 2020-10-08

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