DE69227869D1 - Weissabgleichssteuerung für eine Bildaufnahmevorrichtung - Google Patents

Weissabgleichssteuerung für eine Bildaufnahmevorrichtung

Info

Publication number
DE69227869D1
DE69227869D1 DE69227869T DE69227869T DE69227869D1 DE 69227869 D1 DE69227869 D1 DE 69227869D1 DE 69227869 T DE69227869 T DE 69227869T DE 69227869 T DE69227869 T DE 69227869T DE 69227869 D1 DE69227869 D1 DE 69227869D1
Authority
DE
Germany
Prior art keywords
image pickup
pickup device
white balance
balance control
control
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
DE69227869T
Other languages
English (en)
Other versions
DE69227869T2 (de
Inventor
Hirofumi Takei
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP3225567A external-priority patent/JPH0564219A/ja
Priority claimed from JP23968391A external-priority patent/JP3184573B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69227869D1 publication Critical patent/DE69227869D1/de
Application granted granted Critical
Publication of DE69227869T2 publication Critical patent/DE69227869T2/de
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
    • 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)
DE69227869T 1991-09-05 1992-09-03 Weissabgleichssteuerung für eine Bildaufnahmevorrichtung Expired - Lifetime DE69227869T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3225567A JPH0564219A (ja) 1991-09-05 1991-09-05 撮像装置
JP23968391A JP3184573B2 (ja) 1991-09-19 1991-09-19 撮像装置

Publications (2)

Publication Number Publication Date
DE69227869D1 true DE69227869D1 (de) 1999-01-28
DE69227869T2 DE69227869T2 (de) 1999-06-02

Family

ID=26526714

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227869T Expired - Lifetime DE69227869T2 (de) 1991-09-05 1992-09-03 Weissabgleichssteuerung für eine Bildaufnahmevorrichtung

Country Status (3)

Country Link
US (2) US5530474A (de)
EP (1) EP0530793B1 (de)
DE (1) DE69227869T2 (de)

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JPH07162890A (ja) * 1993-12-08 1995-06-23 Matsushita Electric Ind Co Ltd ホワイトバランス調整装置
JP3368041B2 (ja) * 1994-04-26 2003-01-20 キヤノン株式会社 撮像装置
KR0150056B1 (ko) * 1994-08-12 1998-12-01 이대원 색보정 기능을 가지는 카메라
JPH10327328A (ja) * 1997-05-23 1998-12-08 Asahi Optical Co Ltd 画像読取装置
JPH1141619A (ja) * 1997-07-24 1999-02-12 Sony Corp 色信号処理回路およびその処理方法、並びにこれらを用いたカメラ
JPH11136696A (ja) * 1997-10-29 1999-05-21 Sony Corp 色信号処理回路およびその方法とカメラ装置
US6788339B1 (en) * 1997-12-25 2004-09-07 Canon Kabushiki Kaisha Image pickup apparatus
KR100298070B1 (ko) * 1998-08-28 2001-10-26 윤종용 비디오카메라의화이트밸런스보정방법
US7030917B2 (en) * 1998-10-23 2006-04-18 Hewlett-Packard Development Company, L.P. Image demosaicing and enhancement system
JP2000152072A (ja) * 1998-11-11 2000-05-30 Minolta Co Ltd デジタルカメラ
JP4327928B2 (ja) * 1999-02-26 2009-09-09 メディア・テック・ユーエスエイ・インコーポレーテッド 電子カメラ装置
JP2000324503A (ja) * 1999-03-11 2000-11-24 Matsushita Electric Ind Co Ltd テレビジョンカメラおよびテレビジョンカメラのホワイトバランス補正方法
US6781626B1 (en) 2000-01-13 2004-08-24 Biomorphic Vlsi, Inc. System and method of color interpolation
US6757012B1 (en) 2000-01-13 2004-06-29 Biomorphic Vlsi, Inc. Color selection for sparse color image reconstruction
JP2001238127A (ja) * 2000-02-21 2001-08-31 Fuji Photo Film Co Ltd カメラ
US6876384B1 (en) 2000-04-19 2005-04-05 Biomorphic Vlsi, Inc. Pixel selective white balancing
CN1165183C (zh) * 2000-05-15 2004-09-01 北京北达华彩科技有限公司 自适应色度补偿法及其补偿装置
JP2002152772A (ja) * 2000-08-28 2002-05-24 Fuji Photo Film Co Ltd ホワイトバランス補正装置及びホワイトバランス補正方法と濃度補正方法並びにこれらの方法を実行するためのプログラムを記録した記録媒体
US6947079B2 (en) * 2000-12-22 2005-09-20 Eastman Kodak Company Camera having verification display with reverse white balanced viewer adaptation compensation and method
US7015955B2 (en) * 2000-12-22 2006-03-21 Eastman Kodak Company Camera having verification display with viewer adaptation compensation for reference illuminants and method
KR100785002B1 (ko) * 2001-07-09 2007-12-11 삼성전자주식회사 색온도를 이용한 영상 브라우징 장치 및 방법
EP1311111A3 (de) * 2001-11-08 2004-12-08 Fuji Photo Film Co., Ltd. Verfahren und Vorrichtung zur Korrektur des Weissabgleichs, Verfahren zur Dichtekorrektur und Programmaufzeichnungsmedium
JP3513506B2 (ja) * 2002-02-20 2004-03-31 キヤノン株式会社 ホワイトバランス補正装置およびそれを搭載した撮像装置、及びホワイトバランス補正方法
US6573932B1 (en) * 2002-03-15 2003-06-03 Eastman Kodak Company Method for automatic white balance of digital images
JP2003304558A (ja) * 2002-04-09 2003-10-24 Sanyo Electric Co Ltd ブルーストレッチ回路及びレベル検出回路
US7162078B2 (en) * 2002-12-20 2007-01-09 Fast Link Communication Corp. Automatic white balance correction method for image capturing apparatus
JP4025207B2 (ja) * 2003-01-17 2007-12-19 富士フイルム株式会社 固体撮像素子及びデジタルカメラ
JP4279562B2 (ja) * 2003-01-17 2009-06-17 富士フイルム株式会社 固体撮像装置の制御方法
US7421118B2 (en) * 2003-03-17 2008-09-02 Sharp Laboratories Of America, Inc. System and method for attenuating color-cast correction in image highlight areas
US7684096B2 (en) * 2003-04-01 2010-03-23 Avid Technology, Inc. Automatic color correction for sequences of images
US7440012B2 (en) * 2003-04-30 2008-10-21 Micron Technology, Inc. Method and apparatus for optimizing image sensor noise and dynamic range
JP3880553B2 (ja) * 2003-07-31 2007-02-14 キヤノン株式会社 画像処理方法および装置
JP4041995B2 (ja) * 2004-06-22 2008-02-06 ソニー株式会社 撮像装置及び撮像方法
KR20060004023A (ko) * 2004-07-08 2006-01-12 삼성전자주식회사 야외 및 실내 환경에 적합한 색감을 표현해주는정지화상의 촬영방법 및 이를 수행하기 위한 촬영장치
KR101031553B1 (ko) * 2004-07-08 2011-04-27 삼성전자주식회사 자동색보정 기능을 구비한 촬영장치 및 그 방법
US7460181B2 (en) * 2004-10-15 2008-12-02 Genesis Microchip Inc. Blue stretch using restricted color range and soft transition boundary
TWI254572B (en) * 2004-10-21 2006-05-01 Mstar Semiconductor Inc Method and device to tune color automatically
JP4481803B2 (ja) * 2004-11-26 2010-06-16 オリンパスイメージング株式会社 光学撮影機器
JP4707450B2 (ja) * 2005-05-18 2011-06-22 イーストマン コダック カンパニー 画像処理装置及びホワイトバランス調整装置
KR100809344B1 (ko) * 2006-05-26 2008-03-05 삼성전자주식회사 자동 백색 밸런싱 방법 및 장치
JP2008072575A (ja) * 2006-09-15 2008-03-27 Canon Inc 画像処理装置、方法、及びコンピュータプログラム
US7889245B2 (en) 2007-01-12 2011-02-15 Seiko Epson Corporation Automatic white balancing of a digital image
JP5222625B2 (ja) * 2007-06-01 2013-06-26 富士フイルム株式会社 撮像装置
US20090021810A1 (en) * 2007-07-20 2009-01-22 Adams Jr James E Method of scene balance using panchromatic pixels
KR20090011071A (ko) * 2007-07-25 2009-02-02 삼성전자주식회사 디스플레이장치 및 그 제어방법
JP5175680B2 (ja) * 2008-02-15 2013-04-03 パナソニック株式会社 撮像装置、波形信号表示方法、プログラムおよび集積回路
JP5489411B2 (ja) * 2008-03-17 2014-05-14 キヤノン株式会社 ホワイトバランス制御装置及びホワイトバランス制御方法
US8339474B2 (en) * 2008-08-20 2012-12-25 Freescale Semiconductor, Inc. Gain controlled threshold in denoising filter for image signal processing
KR20100066855A (ko) * 2008-12-10 2010-06-18 삼성전자주식회사 촬상 장치 및 촬상 방법
EP3291173A1 (de) 2016-09-02 2018-03-07 Casio Computer Co., Ltd. Diagnoseunterstützungsvorrichtung, bildverarbeitungsverfahren in der diagnoseunterstützungsvorrichtung und programm
CN111641819B (zh) * 2020-05-19 2022-03-01 浙江大华技术股份有限公司 白平衡增益校正的方法、设备、系统和计算机设备

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Publication number Priority date Publication date Assignee Title
JPS58215884A (ja) * 1982-06-10 1983-12-15 Sony Corp 電子カメラ
JP2594913B2 (ja) * 1985-12-04 1997-03-26 株式会社日立製作所 カラービデオカメラ
JPS63219291A (ja) * 1986-12-12 1988-09-12 Hitachi Ltd ホワイトバランス制御装置
JPH0828877B2 (ja) * 1988-07-18 1996-03-21 富士写真フイルム株式会社 自動白バランス調整方法及び装置
US4998162A (en) * 1988-08-22 1991-03-05 Sony Corporation Video camera
JPH02257786A (ja) * 1989-03-30 1990-10-18 Canon Inc 撮像装置のホワイトバランス補正装置
US5282022A (en) * 1989-11-17 1994-01-25 Sanyo Electric Co., Ltd. White balance adjusting apparatus for automatically adjusting white balance in response to luminance information signal and color information signal obtained from image sensing device
JP3034542B2 (ja) * 1990-01-17 2000-04-17 株式会社日立製作所 ホワイトバランス制御装置
US5223921A (en) * 1990-04-27 1993-06-29 Sanyo Electric Co., Ltd. White balance adjusting apparatus for automatically adjusting white balance on the basis of a color information signal obtained from an image-sensing device
JP2630683B2 (ja) * 1991-01-28 1997-07-16 シャープ株式会社 ホワイトバランス調整装置

Also Published As

Publication number Publication date
US5530474A (en) 1996-06-25
EP0530793A3 (en) 1993-08-18
EP0530793A2 (de) 1993-03-10
EP0530793B1 (de) 1998-12-16
DE69227869T2 (de) 1999-06-02
US6108037A (en) 2000-08-22

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