DE3852134D1 - Vorrichtung und verfahren zur aufbereitung von abgetasteten mikrofilmbildern. - Google Patents

Vorrichtung und verfahren zur aufbereitung von abgetasteten mikrofilmbildern.

Info

Publication number
DE3852134D1
DE3852134D1 DE3852134T DE3852134T DE3852134D1 DE 3852134 D1 DE3852134 D1 DE 3852134D1 DE 3852134 T DE3852134 T DE 3852134T DE 3852134 T DE3852134 T DE 3852134T DE 3852134 D1 DE3852134 D1 DE 3852134D1
Authority
DE
Germany
Prior art keywords
processing scanned
microfilm images
scanned microfilm
images
processing
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
DE3852134T
Other languages
English (en)
Other versions
DE3852134T2 (de
Inventor
Roger Morton
John Redden
Scott Lewis
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE3852134D1 publication Critical patent/DE3852134D1/de
Publication of DE3852134T2 publication Critical patent/DE3852134T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone 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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
DE3852134T 1987-07-24 1988-07-14 Vorrichtung und verfahren zur aufbereitung von abgetasteten mikrofilmbildern. Expired - Fee Related DE3852134T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/077,529 US4982294A (en) 1987-07-24 1987-07-24 Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein
PCT/US1988/002348 WO1989001205A1 (en) 1987-07-24 1988-07-14 Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein

Publications (2)

Publication Number Publication Date
DE3852134D1 true DE3852134D1 (de) 1994-12-22
DE3852134T2 DE3852134T2 (de) 1995-06-01

Family

ID=22138609

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3852134T Expired - Fee Related DE3852134T2 (de) 1987-07-24 1988-07-14 Vorrichtung und verfahren zur aufbereitung von abgetasteten mikrofilmbildern.

Country Status (5)

Country Link
US (1) US4982294A (de)
EP (1) EP0371055B1 (de)
JP (1) JP2577075B2 (de)
DE (1) DE3852134T2 (de)
WO (1) WO1989001205A1 (de)

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US5940536A (en) * 1995-09-05 1999-08-17 Matsushita Electric Industrial Co., Ltd. Ringing detector and filter
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US5914748A (en) * 1996-08-30 1999-06-22 Eastman Kodak Company Method and apparatus for generating a composite image using the difference of two images
US5815606A (en) * 1996-12-23 1998-09-29 Pitney Bowes Inc. Method for thresholding a gray scale matrix
US6400468B1 (en) * 1998-03-31 2002-06-04 International Business Machines Corporation Smoothing calibration files to improve reproduction of digitized images
US6631215B1 (en) * 1999-11-23 2003-10-07 Xerox Corporation Method and apparatus for implementing integrated cavity effect correction in scanners
US7417648B2 (en) * 2002-01-07 2008-08-26 Samsung Electronics Co. Ltd., Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with split blue sub-pixels
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US20060098228A1 (en) * 2004-11-09 2006-05-11 Eastman Kodak Company Real time frame detection in a film scanner
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JP4960309B2 (ja) * 2008-06-17 2012-06-27 株式会社東芝 固体撮像装置
JP5868090B2 (ja) 2011-09-20 2016-02-24 三菱電機株式会社 画像処理装置、画像処理方法、撮像装置、コンピュータプログラム及びコンピュータ読み取り可能な記録媒体
US9117263B2 (en) * 2012-05-03 2015-08-25 Qualcomm Incorporated Noise removal from images containing text

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JPH0636602B2 (ja) * 1984-09-21 1994-05-11 株式会社日立製作所 雑音低減回路

Also Published As

Publication number Publication date
EP0371055B1 (de) 1994-11-17
JP2577075B2 (ja) 1997-01-29
EP0371055A1 (de) 1990-06-06
DE3852134T2 (de) 1995-06-01
JPH02504324A (ja) 1990-12-06
US4982294A (en) 1991-01-01
WO1989001205A1 (en) 1989-02-09

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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