KR100504974B1 - 자동-아이리스제어에사용되는브라이트니스정보를용이하게추출가능한비디오카메라장치 - Google Patents

자동-아이리스제어에사용되는브라이트니스정보를용이하게추출가능한비디오카메라장치 Download PDF

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Publication number
KR100504974B1
KR100504974B1 KR10-1998-0009809A KR19980009809A KR100504974B1 KR 100504974 B1 KR100504974 B1 KR 100504974B1 KR 19980009809 A KR19980009809 A KR 19980009809A KR 100504974 B1 KR100504974 B1 KR 100504974B1
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KR
South Korea
Prior art keywords
signal
white balance
information
iris
control means
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
KR10-1998-0009809A
Other languages
English (en)
Korean (ko)
Other versions
KR19980080516A (ko
Inventor
준 기타무라
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR19980080516A publication Critical patent/KR19980080516A/ko
Application granted granted Critical
Publication of KR100504974B1 publication Critical patent/KR100504974B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • 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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • 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
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
KR10-1998-0009809A 1997-03-21 1998-03-21 자동-아이리스제어에사용되는브라이트니스정보를용이하게추출가능한비디오카메라장치 Expired - Fee Related KR100504974B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP06835697A JP4003246B2 (ja) 1997-03-21 1997-03-21 ビデオカメラ装置
JP97-068356 1997-03-21

Publications (2)

Publication Number Publication Date
KR19980080516A KR19980080516A (ko) 1998-11-25
KR100504974B1 true KR100504974B1 (ko) 2005-11-08

Family

ID=13371458

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1998-0009809A Expired - Fee Related KR100504974B1 (ko) 1997-03-21 1998-03-21 자동-아이리스제어에사용되는브라이트니스정보를용이하게추출가능한비디오카메라장치

Country Status (4)

Country Link
US (1) US6747704B1 (enExample)
JP (1) JP4003246B2 (enExample)
KR (1) KR100504974B1 (enExample)
TW (1) TW373412B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6750906B1 (en) * 1998-05-08 2004-06-15 Cirrus Logic, Inc. Histogram-based automatic gain control method and system for video applications
JP3902492B2 (ja) * 2002-03-13 2007-04-04 株式会社リコー 撮像装置
JP3824225B2 (ja) * 2002-10-04 2006-09-20 ソニー株式会社 デジタルカメラ
JP4260003B2 (ja) * 2003-12-26 2009-04-30 三洋電機株式会社 電子カメラ
US20100225779A1 (en) * 2009-03-06 2010-09-09 Nokia Corporation Method and Device to extend camera battery life
KR101806289B1 (ko) * 2011-11-14 2017-12-07 삼성전자주식회사 촬상 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998162A (en) 1988-08-22 1991-03-05 Sony Corporation Video camera
EP0409161B1 (en) * 1989-07-18 2000-10-11 Fuji Photo Film Co., Ltd. Method and apparatus for controlling exposure changes of a video camera
JP3271196B2 (ja) * 1992-06-12 2002-04-02 ソニー株式会社 ビデオカメラ
JP3216022B2 (ja) * 1992-09-14 2001-10-09 キヤノン株式会社 撮像装置

Also Published As

Publication number Publication date
US6747704B1 (en) 2004-06-08
JP4003246B2 (ja) 2007-11-07
TW373412B (en) 1999-11-01
KR19980080516A (ko) 1998-11-25
JPH10271518A (ja) 1998-10-09

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