TW200701799A - Automatic white balance control - Google Patents

Automatic white balance control

Info

Publication number
TW200701799A
TW200701799A TW094145921A TW94145921A TW200701799A TW 200701799 A TW200701799 A TW 200701799A TW 094145921 A TW094145921 A TW 094145921A TW 94145921 A TW94145921 A TW 94145921A TW 200701799 A TW200701799 A TW 200701799A
Authority
TW
Taiwan
Prior art keywords
black body
body radiator
white area
function
color space
Prior art date
Application number
TW094145921A
Other languages
English (en)
Chinese (zh)
Inventor
Haan Willem Johan De
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200701799A publication Critical patent/TW200701799A/zh

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
    • 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
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
TW094145921A 2004-12-22 2005-12-22 Automatic white balance control TW200701799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04106888 2004-12-22

Publications (1)

Publication Number Publication Date
TW200701799A true TW200701799A (en) 2007-01-01

Family

ID=36423589

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094145921A TW200701799A (en) 2004-12-22 2005-12-22 Automatic white balance control

Country Status (7)

Country Link
US (1) US20090244316A1 (https=)
EP (1) EP1832108A2 (https=)
JP (1) JP2008526075A (https=)
KR (1) KR20070091208A (https=)
CN (1) CN101088297A (https=)
TW (1) TW200701799A (https=)
WO (1) WO2006067724A2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI568265B (zh) * 2013-05-08 2017-01-21 豪威科技股份有限公司 基於動態映射之自動白平衡

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5761946B2 (ja) 2010-09-02 2015-08-12 キヤノン株式会社 画像処理装置、画像処理方法及び記憶媒体
US9030575B2 (en) * 2011-10-12 2015-05-12 Apple Inc. Transformations and white point constraint solutions for a novel chromaticity space
CN105409211B (zh) * 2013-08-26 2018-07-10 英特尔公司 用于图像处理的带皮肤色调校正的自动白平衡
KR102211862B1 (ko) 2014-04-09 2021-02-03 삼성전자주식회사 이미지 센서 및 이를 포함하는 이미지 센서 시스템
CN105472365B (zh) * 2015-12-30 2017-09-26 浙江宇视科技有限公司 一种自动白平衡的方法和装置
CN114025145B (zh) * 2019-11-22 2024-08-09 Oppo广东移动通信有限公司 一种自动白平衡的补偿方法、终端以及计算机存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2751297B2 (ja) * 1989-01-24 1998-05-18 ソニー株式会社 オートホワイトバランス回路
US5589879A (en) * 1993-03-26 1996-12-31 Fuji Photo Film Co., Ltd. Performing white balance correction on integrated divided areas of which average color is substantially white
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
JP3469305B2 (ja) * 1994-04-13 2003-11-25 富士写真フイルム株式会社 ビデオカメラのホワイトバランス装置
US5995142A (en) * 1996-02-04 1999-11-30 Sony Corporation Automatic white balance control system for a color video camera
JPH11220739A (ja) * 1997-11-30 1999-08-10 Sony Corp ビデオカメラ装置
JP3754425B2 (ja) * 2003-04-22 2006-03-15 富士写真フイルム株式会社 ビデオカメラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI568265B (zh) * 2013-05-08 2017-01-21 豪威科技股份有限公司 基於動態映射之自動白平衡

Also Published As

Publication number Publication date
WO2006067724A3 (en) 2006-12-21
WO2006067724A2 (en) 2006-06-29
US20090244316A1 (en) 2009-10-01
EP1832108A2 (en) 2007-09-12
CN101088297A (zh) 2007-12-12
KR20070091208A (ko) 2007-09-07
JP2008526075A (ja) 2008-07-17

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