JP2001144919A - 自動フォーカシング装置を具えたフィルムスキャナ - Google Patents

自動フォーカシング装置を具えたフィルムスキャナ

Info

Publication number
JP2001144919A
JP2001144919A JP2000329769A JP2000329769A JP2001144919A JP 2001144919 A JP2001144919 A JP 2001144919A JP 2000329769 A JP2000329769 A JP 2000329769A JP 2000329769 A JP2000329769 A JP 2000329769A JP 2001144919 A JP2001144919 A JP 2001144919A
Authority
JP
Japan
Prior art keywords
film
objective lens
maximum value
film scanner
video signal
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.)
Pending
Application number
JP2000329769A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001144919A5 (enExample
Inventor
Michael Broesamle
ブルーサムル ミハエル
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
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2001144919A publication Critical patent/JP2001144919A/ja
Publication of JP2001144919A5 publication Critical patent/JP2001144919A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/253—Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine
    • 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
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
  • Facsimiles In General (AREA)
JP2000329769A 1999-11-02 2000-10-30 自動フォーカシング装置を具えたフィルムスキャナ Pending JP2001144919A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19952608A DE19952608A1 (de) 1999-11-02 1999-11-02 Filmabtaster mit Einrichtung zur Scharfstellung
DE19952608:7 1999-11-02

Publications (2)

Publication Number Publication Date
JP2001144919A true JP2001144919A (ja) 2001-05-25
JP2001144919A5 JP2001144919A5 (enExample) 2007-12-13

Family

ID=7927603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000329769A Pending JP2001144919A (ja) 1999-11-02 2000-10-30 自動フォーカシング装置を具えたフィルムスキャナ

Country Status (4)

Country Link
US (1) US7038708B1 (enExample)
EP (1) EP1098516A1 (enExample)
JP (1) JP2001144919A (enExample)
DE (1) DE19952608A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952608A1 (de) 1999-11-02 2001-05-03 Philips Corp Intellectual Pty Filmabtaster mit Einrichtung zur Scharfstellung
DE102005016886A1 (de) 2005-04-12 2006-10-19 Thomson Broadcast And Media Solutions Gmbh Verfahren zur Fokussierung eines Filmabtasters und Filmabtaster zur Durchführung des Verfahrens
DE102009017534A1 (de) * 2009-04-17 2010-10-21 Dft Digital Film Technology Holding Gmbh Vorrichtung und Verfahren zum Durchleuchten eines Films

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812525A (en) * 1972-06-22 1974-05-21 Motorola Inc Dynamic peaking system
US4199235A (en) * 1977-11-26 1980-04-22 Canon Kabushiki Kaisha Camera with autofocusing device
DE2910875C2 (de) * 1979-03-20 1985-11-14 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur automatischen Scharfeinstellung
US5430478A (en) * 1986-09-04 1995-07-04 Mscl, Inc. Film weave correction system
US4928170A (en) * 1988-06-21 1990-05-22 Visualtek, Inc. Automatic focus control for an image magnification system
JPH03214868A (ja) * 1990-01-19 1991-09-20 Ricoh Co Ltd 自動焦点調整装置
US5457491A (en) * 1990-10-11 1995-10-10 Mowry; Craig P. System for producing image on first medium, such as video, simulating the appearance of image on second medium, such as motion picture or other photographic film
JPH05316399A (ja) * 1992-05-07 1993-11-26 Konica Corp 電子カメラの撮影条件制御装置
JP3252001B2 (ja) * 1993-02-24 2002-01-28 富士写真フイルム株式会社 自動焦点調節装置
JP3522918B2 (ja) * 1995-10-05 2004-04-26 富士写真フイルム株式会社 画像入力装置
JPH1032684A (ja) * 1996-07-16 1998-02-03 Canon Inc フィルムスキャナ
US6320607B1 (en) * 1996-11-19 2001-11-20 Konica Corporation Electronic still camera
US6169571B1 (en) * 1998-04-08 2001-01-02 Eastman Kodak Company Film scanning apparatus with motorized weave correction
US6043476A (en) * 1998-06-03 2000-03-28 Microtek International Inc. Film scanner with an adjustable light source for scanning positive or negative films
DE19952608A1 (de) 1999-11-02 2001-05-03 Philips Corp Intellectual Pty Filmabtaster mit Einrichtung zur Scharfstellung
US6636646B1 (en) * 2000-07-20 2003-10-21 Eastman Kodak Company Digital image processing method and for brightness adjustment of digital images

Also Published As

Publication number Publication date
EP1098516A1 (de) 2001-05-09
US7038708B1 (en) 2006-05-02
DE19952608A1 (de) 2001-05-03

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