DE69122454D1 - Verfahren zur Bestimmung der Belichtung zum Gebrauch in einem Bilderzeugungsgerät - Google Patents

Verfahren zur Bestimmung der Belichtung zum Gebrauch in einem Bilderzeugungsgerät

Info

Publication number
DE69122454D1
DE69122454D1 DE69122454T DE69122454T DE69122454D1 DE 69122454 D1 DE69122454 D1 DE 69122454D1 DE 69122454 T DE69122454 T DE 69122454T DE 69122454 T DE69122454 T DE 69122454T DE 69122454 D1 DE69122454 D1 DE 69122454D1
Authority
DE
Germany
Prior art keywords
image forming
forming apparatus
determining exposure
exposure
determining
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
DE69122454T
Other languages
English (en)
Other versions
DE69122454T2 (de
Inventor
Takaaki Terashita
Keiko Yukawa
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 JP20098690A external-priority patent/JP2612956B2/ja
Priority claimed from JP20552890A external-priority patent/JPH0490539A/ja
Priority claimed from JP23828290A external-priority patent/JPH04116636A/ja
Priority claimed from JP24654090A external-priority patent/JP2656376B2/ja
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE69122454D1 publication Critical patent/DE69122454D1/de
Application granted granted Critical
Publication of DE69122454T2 publication Critical patent/DE69122454T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Exposure Control For Cameras (AREA)
DE69122454T 1990-07-27 1991-07-26 Verfahren zur Bestimmung der Belichtung zum Gebrauch in einem Bilderzeugungsgerät Expired - Fee Related DE69122454T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20098690A JP2612956B2 (ja) 1990-07-27 1990-07-27 複写装置の露光量決定方法
JP20552890A JPH0490539A (ja) 1990-08-02 1990-08-02 複写装置の露光量決定方法
JP23828290A JPH04116636A (ja) 1990-09-07 1990-09-07 複写装置の露光量決定方法
JP24654090A JP2656376B2 (ja) 1990-09-17 1990-09-17 画像装置の露光量制御方法

Publications (2)

Publication Number Publication Date
DE69122454D1 true DE69122454D1 (de) 1996-11-07
DE69122454T2 DE69122454T2 (de) 1997-02-06

Family

ID=27476038

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122454T Expired - Fee Related DE69122454T2 (de) 1990-07-27 1991-07-26 Verfahren zur Bestimmung der Belichtung zum Gebrauch in einem Bilderzeugungsgerät

Country Status (3)

Country Link
US (1) US5281995A (de)
EP (1) EP0468533B1 (de)
DE (1) DE69122454T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084754A (en) * 1989-09-20 1992-01-28 Sony Corporation Method and apparatus for effecting fuzzy control of an imaging device
US5266984A (en) * 1991-03-22 1993-11-30 Nikon Corporation Exposure calculating apparatus for camera
JPH07160871A (ja) * 1993-12-09 1995-06-23 Mieko Nagashima 色画像補正方法及びその装置
CH690204A5 (de) * 1994-02-16 2000-05-31 Agfa Gevaert Ag Verfahren und Vorrichtung zur Herstellung von Kopien von Kopiervorlagen für hohe Qualitätsanforderungen.
US6118478A (en) * 1994-04-21 2000-09-12 Pandora International Limited Telecine systems for high definition use
FI102140B (fi) * 1996-11-14 1998-10-30 Instrumentarium Corp Optimoiva menetelmä valotusautomatiikan säätämiseksi röntgenlaitteissa
EP0886437B1 (de) 1997-06-17 2004-11-24 Seiko Epson Corporation Verfahren und Vorrichtung zum Einstellen der Farbe
JP3911354B2 (ja) * 1997-09-02 2007-05-09 大日本スクリーン製造株式会社 画像処理方法および装置、並びにその処理を実行するためのプログラムを記録した記録媒体
JP3413589B2 (ja) * 1998-03-09 2003-06-03 富士写真フイルム株式会社 画像処理方法および装置
KR100351400B1 (ko) * 1999-09-22 2002-09-10 엘지전자 주식회사 사용자 피드백 변화를 반영한 멀티미디어 데이타의 특징소 정보 생성방법 및 멀티미디어 데이타의 특징소 가중치 결정방법
US8107762B2 (en) * 2006-03-17 2012-01-31 Qualcomm Incorporated Systems, methods, and apparatus for exposure control
US20080255840A1 (en) * 2007-04-16 2008-10-16 Microsoft Corporation Video Nametags
US8526632B2 (en) * 2007-06-28 2013-09-03 Microsoft Corporation Microphone array for a camera speakerphone
US8330787B2 (en) * 2007-06-29 2012-12-11 Microsoft Corporation Capture device movement compensation for speaker indexing
US8165416B2 (en) * 2007-06-29 2012-04-24 Microsoft Corporation Automatic gain and exposure control using region of interest detection
JP5371717B2 (ja) * 2009-12-01 2013-12-18 キヤノン株式会社 画像処理装置及び画像処理方法
US10951859B2 (en) 2018-05-30 2021-03-16 Microsoft Technology Licensing, Llc Videoconferencing device and method
CN112315490B (zh) * 2020-10-30 2023-06-02 上海联影医疗科技股份有限公司 自动亮度调节曲线自适应调整方法、影像设备及可读存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153335A (en) * 1980-04-30 1981-11-27 Fuji Photo Film Co Ltd Exposure control method
JPH0663971B2 (ja) * 1987-01-30 1994-08-22 富士写真フイルム株式会社 カラ−原稿種分類方法
US4885705A (en) * 1988-02-25 1989-12-05 Eastman Kodak Company Expert system shell for building photofinishing diagnostic systems
US5111301A (en) * 1989-06-28 1992-05-05 Sanyo Electric Co., Ltd. Automatic exposure adjusting apparatus for automatically adjusting exposure by fuzzy inference

Also Published As

Publication number Publication date
US5281995A (en) 1994-01-25
EP0468533A3 (en) 1992-09-23
DE69122454T2 (de) 1997-02-06
EP0468533B1 (de) 1996-10-02
EP0468533A2 (de) 1992-01-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee