DE69216745T2 - Vorrichtung zum automatischen Weissabgleich - Google Patents

Vorrichtung zum automatischen Weissabgleich

Info

Publication number
DE69216745T2
DE69216745T2 DE69216745T DE69216745T DE69216745T2 DE 69216745 T2 DE69216745 T2 DE 69216745T2 DE 69216745 T DE69216745 T DE 69216745T DE 69216745 T DE69216745 T DE 69216745T DE 69216745 T2 DE69216745 T2 DE 69216745T2
Authority
DE
Germany
Prior art keywords
white balance
balance device
automatic white
automatic
white
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 - Fee Related
Application number
DE69216745T
Other languages
English (en)
Other versions
DE69216745D1 (de
Inventor
Akihiko Miyazaki
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69216745D1 publication Critical patent/DE69216745D1/de
Application granted granted Critical
Publication of DE69216745T2 publication Critical patent/DE69216745T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N23/80—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)
DE69216745T 1991-10-04 1992-09-30 Vorrichtung zum automatischen Weissabgleich Expired - Fee Related DE69216745T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28404591A JP3248739B2 (ja) 1991-10-04 1991-10-04 自動白バランス制御装置

Publications (2)

Publication Number Publication Date
DE69216745D1 DE69216745D1 (de) 1997-02-27
DE69216745T2 true DE69216745T2 (de) 1997-07-10

Family

ID=17673583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216745T Expired - Fee Related DE69216745T2 (de) 1991-10-04 1992-09-30 Vorrichtung zum automatischen Weissabgleich

Country Status (5)

Country Link
US (1) US5274440A (de)
EP (1) EP0535751B1 (de)
JP (1) JP3248739B2 (de)
KR (1) KR100254028B1 (de)
DE (1) DE69216745T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329361A (en) * 1991-09-04 1994-07-12 Fuji Photo Film Co., Ltd. White balance control wherein valves of control signals are fixed or converged within a renewable, variable region
US5760831A (en) * 1992-08-28 1998-06-02 Canon Kabushiki Kaisha Image processing apparatus with white balance control
ID18790A (id) * 1996-04-11 1998-05-07 Sony Corp Pesawat untuk mendeteksi tangga nada warna dan alat untuk memantau gambar yang memakai pesawat itu pula
KR100298070B1 (ko) * 1998-08-28 2001-10-26 윤종용 비디오카메라의화이트밸런스보정방법
US6798449B2 (en) * 2001-01-18 2004-09-28 Kinpo Electronics, Inc. Automatic white-balance correction for digital camera
US7190394B2 (en) * 2002-06-04 2007-03-13 Micron Technology, Inc. Method for statistical analysis of images for automatic white balance of color channel gains for image sensors
US7486819B2 (en) * 2003-12-23 2009-02-03 Aptina Imaging Corporation Sampling images for color balance information
US20070041064A1 (en) * 2005-08-16 2007-02-22 Micron Technology, Inc. Image sampling method for automatic white balance
KR100841429B1 (ko) * 2006-11-30 2008-06-25 삼성전기주식회사 화이트 밸런스 자동 조정장치 및 그 방법
JP2009253579A (ja) * 2008-04-04 2009-10-29 Panasonic Corp 撮像装置、画像処理装置及び画像処理方法並びに画像処理プログラム
KR100982762B1 (ko) * 2008-04-25 2010-09-16 크로마 에이티이 인코포레이티드 색 온도를 신속하게 자동 조정하는 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538983B1 (fr) * 1982-12-30 1986-02-07 Guichard Jacques Procede de correction de couleur applicable a la prise de vues video et systeme mettant en oeuvre ce procede
JPS6074892A (ja) * 1983-09-30 1985-04-27 Seiko Epson Corp ビデオカメラ
JPH084344B2 (ja) * 1985-09-25 1996-01-17 オリンパス光学工業株式会社 オ−トホワイトバランス回路
US5021875A (en) * 1987-02-18 1991-06-04 Minolta Camera Kabushiki Kaisha Automatic white-balance adjusting apparatus with reduced sensitivity to transient light conditions
JP2518848B2 (ja) * 1987-05-30 1996-07-31 キヤノン株式会社 ホワイトバランス調整装置
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
US5198890A (en) * 1989-03-30 1993-03-30 Canon Kabushiki Kaisha White balance correcting device for an image sensing
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
US5442408A (en) * 1989-11-17 1995-08-15 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

Also Published As

Publication number Publication date
US5274440A (en) 1993-12-28
KR930009435A (ko) 1993-05-22
JP3248739B2 (ja) 2002-01-21
EP0535751A3 (en) 1993-07-07
EP0535751B1 (de) 1997-01-15
KR100254028B1 (ko) 2000-04-15
DE69216745D1 (de) 1997-02-27
EP0535751A2 (de) 1993-04-07
JPH05103339A (ja) 1993-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee