FR2621202B1 - Circuit de traitement de signal numerique pour une camera video numerique - Google Patents

Circuit de traitement de signal numerique pour une camera video numerique

Info

Publication number
FR2621202B1
FR2621202B1 FR888812856A FR8812856A FR2621202B1 FR 2621202 B1 FR2621202 B1 FR 2621202B1 FR 888812856 A FR888812856 A FR 888812856A FR 8812856 A FR8812856 A FR 8812856A FR 2621202 B1 FR2621202 B1 FR 2621202B1
Authority
FR
France
Prior art keywords
signal processing
processing circuit
video camera
digital
digital signal
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 - Lifetime
Application number
FR888812856A
Other languages
English (en)
Other versions
FR2621202A1 (fr
Inventor
Tadamasa Kurashige
Takashi Nakamu
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2621202A1 publication Critical patent/FR2621202A1/fr
Application granted granted Critical
Publication of FR2621202B1 publication Critical patent/FR2621202B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)
FR888812856A 1987-09-30 1988-09-30 Circuit de traitement de signal numerique pour une camera video numerique Expired - Lifetime FR2621202B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62247092A JPS6489884A (en) 1987-09-30 1987-09-30 White balance correction circuit

Publications (2)

Publication Number Publication Date
FR2621202A1 FR2621202A1 (fr) 1989-03-31
FR2621202B1 true FR2621202B1 (fr) 1992-12-11

Family

ID=17158311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888812856A Expired - Lifetime FR2621202B1 (fr) 1987-09-30 1988-09-30 Circuit de traitement de signal numerique pour une camera video numerique

Country Status (6)

Country Link
US (1) US4911552A (fr)
JP (1) JPS6489884A (fr)
KR (1) KR970010398B1 (fr)
DE (1) DE3833080C2 (fr)
FR (1) FR2621202B1 (fr)
GB (1) GB2210532B (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016093A (en) * 1988-03-31 1991-05-14 Sony Corporation Video camera system with white balance adjustment
KR910008286Y1 (ko) * 1988-07-12 1991-10-15 삼성전자 주식회사 비디오 카메라의 자동 노출제어회로
JPH031790A (ja) * 1989-05-30 1991-01-08 Canon Inc 撮像装置
JP3057254B2 (ja) * 1989-06-14 2000-06-26 ソニー株式会社 オートホワイトバランス回路
KR930006900B1 (ko) * 1989-12-31 1993-07-24 삼성전자 주식회사 자동화이트밸런스 및 자동블랙밸런스 공용회로 및 방법
JP2822256B2 (ja) * 1990-02-15 1998-11-11 ソニー株式会社 ビデオカメラの露光補正装置
KR920011063B1 (ko) * 1990-12-31 1992-12-26 삼성전자 주식회사 카메라의 자동이득 제어회로
JP3163660B2 (ja) * 1991-07-31 2001-05-08 ソニー株式会社 カラービデオカメラのホワイトバランス調整装置
US5995142A (en) * 1996-02-04 1999-11-30 Sony Corporation Automatic white balance control system for a color video camera
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
JPH10327328A (ja) * 1997-05-23 1998-12-08 Asahi Optical Co Ltd 画像読取装置
CA2350082C (fr) * 1998-11-13 2006-01-10 Flexi-Coil Ltd. Procede d'amelioration chromatique
US6381378B1 (en) * 1999-05-28 2002-04-30 Peripheral Imaging Corporation Dynamic thresholding module
JP2002064831A (ja) * 2000-08-15 2002-02-28 Sanyo Electric Co Ltd 単板式カラーカメラの色分離回路
WO2003005584A2 (fr) * 2001-07-05 2003-01-16 Koninklijke Philips Electronics N.V. Description de generateur aleatoire
JP4313996B2 (ja) * 2002-08-30 2009-08-12 トヨタ自動車株式会社 撮像装置
GB0307403D0 (en) 2003-03-31 2003-05-07 Medical Res Council Selection by compartmentalised screening
US20060078893A1 (en) 2004-10-12 2006-04-13 Medical Research Council Compartmentalised combinatorial chemistry by microfluidic control
US20050119549A1 (en) * 2003-12-01 2005-06-02 Anastassios Markas Embedded metal-programmable image processing array for digital still camera and camrecorder products
US7968287B2 (en) 2004-10-08 2011-06-28 Medical Research Council Harvard University In vitro evolution in microfluidic systems
WO2007081387A1 (fr) 2006-01-11 2007-07-19 Raindance Technologies, Inc. Dispositifs microfluidiques, méthodes d'utilisation, et trousses permettant de faire des diagnostics
EP2047910B1 (fr) 2006-05-11 2012-01-11 Raindance Technologies, Inc. Dispositif microfluidique et procédé
US9562837B2 (en) 2006-05-11 2017-02-07 Raindance Technologies, Inc. Systems for handling microfludic droplets
EP3536396B1 (fr) 2006-08-07 2022-03-30 The President and Fellows of Harvard College Tensioactifs fluorocarbonés stabilisateurs d'émulsions
WO2008097559A2 (fr) 2007-02-06 2008-08-14 Brandeis University Manipulation de fluides et de réactions dans des systèmes microfluidiques
US8592221B2 (en) 2007-04-19 2013-11-26 Brandeis University Manipulation of fluids, fluid components and reactions in microfluidic systems
JP5176853B2 (ja) 2007-10-09 2013-04-03 住友電気工業株式会社 光学モジュール及びそれを含む光源装置
EP2315629B1 (fr) 2008-07-18 2021-12-15 Bio-Rad Laboratories, Inc. Bibliothèque de gouttelettes
EP2411148B1 (fr) 2009-03-23 2018-02-21 Raindance Technologies, Inc. Manipulation de gouttelettes microfluidiques
US8242802B2 (en) * 2009-04-14 2012-08-14 Via Technologies, Inc. Location-based bus termination for multi-core processors
US10520500B2 (en) 2009-10-09 2019-12-31 Abdeslam El Harrak Labelled silica-based nanomaterial with enhanced properties and uses thereof
EP2517025B1 (fr) 2009-12-23 2019-11-27 Bio-Rad Laboratories, Inc. Procédés pour réduire l'échange de molécules entre des gouttelettes
WO2011100604A2 (fr) 2010-02-12 2011-08-18 Raindance Technologies, Inc. Analyse numérique d'analytes
US9399797B2 (en) 2010-02-12 2016-07-26 Raindance Technologies, Inc. Digital analyte analysis
US9366632B2 (en) 2010-02-12 2016-06-14 Raindance Technologies, Inc. Digital analyte analysis
US10351905B2 (en) 2010-02-12 2019-07-16 Bio-Rad Laboratories, Inc. Digital analyte analysis
US9562897B2 (en) 2010-09-30 2017-02-07 Raindance Technologies, Inc. Sandwich assays in droplets
US9364803B2 (en) 2011-02-11 2016-06-14 Raindance Technologies, Inc. Methods for forming mixed droplets
WO2012112804A1 (fr) 2011-02-18 2012-08-23 Raindance Technoligies, Inc. Compositions et méthodes de marquage moléculaire
DE202012013668U1 (de) 2011-06-02 2019-04-18 Raindance Technologies, Inc. Enzymquantifizierung
US8658430B2 (en) 2011-07-20 2014-02-25 Raindance Technologies, Inc. Manipulating droplet size
US11901041B2 (en) 2013-10-04 2024-02-13 Bio-Rad Laboratories, Inc. Digital analysis of nucleic acid modification
US9944977B2 (en) 2013-12-12 2018-04-17 Raindance Technologies, Inc. Distinguishing rare variations in a nucleic acid sequence from a sample
US11193176B2 (en) 2013-12-31 2021-12-07 Bio-Rad Laboratories, Inc. Method for detecting and quantifying latent retroviral RNA species
US10647981B1 (en) 2015-09-08 2020-05-12 Bio-Rad Laboratories, Inc. Nucleic acid library generation methods and compositions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543273C2 (de) * 1975-09-27 1984-09-20 Robert Bosch Gmbh, 7000 Stuttgart System zur selbsttätigen Korrektur der Farbbalance
US4064529A (en) * 1976-07-19 1977-12-20 Rca Corporation Apparatus for automatic color balancing of color television signals
JPS5685989A (en) * 1979-12-14 1981-07-13 Mitsubishi Electric Corp Automatic color balance adjusting circuit
JPS5857885A (ja) * 1981-10-01 1983-04-06 Nippon Kogaku Kk <Nikon> ホワイトバランス装置
JPS5981992A (ja) * 1982-11-02 1984-05-11 Canon Inc カラ−撮像装置
US4814864A (en) * 1987-05-29 1989-03-21 Eastman Kodak Co. Video camera with automatic prescaling for color balance
US4805010A (en) * 1987-05-29 1989-02-14 Eastman Kodak Company Still video camera with common circuit for color balance and exposure control

Also Published As

Publication number Publication date
JPS6489884A (en) 1989-04-05
KR970010398B1 (ko) 1997-06-25
GB2210532A (en) 1989-06-07
GB8822829D0 (en) 1988-11-02
KR890006062A (ko) 1989-05-18
US4911552A (en) 1990-03-27
GB2210532B (en) 1991-11-27
FR2621202A1 (fr) 1989-03-31
DE3833080C2 (de) 1997-11-06
DE3833080A1 (de) 1989-04-13

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Legal Events

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ST Notification of lapse