DE69311829D1 - Verfahren und Vorrichtung zur Reduzierung von Bildverzerrungen in einem asynchronen Eingangsabtaster - Google Patents

Verfahren und Vorrichtung zur Reduzierung von Bildverzerrungen in einem asynchronen Eingangsabtaster

Info

Publication number
DE69311829D1
DE69311829D1 DE69311829T DE69311829T DE69311829D1 DE 69311829 D1 DE69311829 D1 DE 69311829D1 DE 69311829 T DE69311829 T DE 69311829T DE 69311829 T DE69311829 T DE 69311829T DE 69311829 D1 DE69311829 D1 DE 69311829D1
Authority
DE
Germany
Prior art keywords
image distortion
reducing image
asynchronous input
input scanner
scanner
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
DE69311829T
Other languages
English (en)
Other versions
DE69311829T2 (de
Inventor
John O Walker
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69311829D1 publication Critical patent/DE69311829D1/de
Application granted granted Critical
Publication of DE69311829T2 publication Critical patent/DE69311829T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N1/32443—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter with asynchronous operation of the image input and output devices connected to the memory
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02406—Arrangements for positioning elements within a head
    • H04N2201/02439—Positioning method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04756—Control or error compensation of scanning position or velocity by controlling the position or movement of the sheet, the sheet support or the photoconductive surface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N2201/329—Storage of less than a complete document page or image frame
    • H04N2201/3292—Storage of less than a complete document page or image frame of one or two complete lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N2201/329—Storage of less than a complete document page or image frame
    • H04N2201/3294—Storage of less than a complete document page or image frame of several complete lines, e.g. a band of data

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Storing Facsimile Image Data (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69311829T 1992-04-09 1993-04-05 Verfahren und Vorrichtung zur Reduzierung von Bildverzerrungen in einem asynchronen Eingangsabtaster Expired - Fee Related DE69311829T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/865,548 US5369504A (en) 1992-04-09 1992-04-09 Method and apparatus for reducing image distortion in an asynchronous input scanner

Publications (2)

Publication Number Publication Date
DE69311829D1 true DE69311829D1 (de) 1997-08-07
DE69311829T2 DE69311829T2 (de) 1998-01-15

Family

ID=25345756

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69311829T Expired - Fee Related DE69311829T2 (de) 1992-04-09 1993-04-05 Verfahren und Vorrichtung zur Reduzierung von Bildverzerrungen in einem asynchronen Eingangsabtaster

Country Status (4)

Country Link
US (1) US5369504A (de)
EP (1) EP0565335B1 (de)
JP (1) JP3192267B2 (de)
DE (1) DE69311829T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572335A (en) * 1994-04-01 1996-11-05 Xerox Corporation Method and system for transferring image data between two devices having different bandwidths
US5604608A (en) * 1995-09-28 1997-02-18 Xerox Corporation Device and method for controlling the scan speed of an image input terminal to match the throughput constraints of an image processing module
US6211975B1 (en) 1998-08-14 2001-04-03 Eastman Kodak Company Method and apparatus for controlling image data transfer in a photographic film scanner
US6462842B1 (en) 1998-10-06 2002-10-08 National Semiconductor Corporation Apparatus, method, and computer program for increasing scanner data throughput
US6369918B1 (en) 1999-02-08 2002-04-09 National Semiconductor Corporation Apparatus, method, and computer program to reduce distortion of scanner restarts
US7301680B1 (en) * 1999-09-14 2007-11-27 Hewlett-Packard Development Company, L.P. Reduction of artifacts in a scanning device
DE19956467A1 (de) * 1999-11-24 2001-06-07 Wincor Nixdorf Gmbh & Co Kg Verfahren, Datenverarbeitungsanlage und Programm zum Korrigieren von Abtastfehlern sowie zugehöriges Texterkennungssystem
TW474097B (en) * 2000-04-26 2002-01-21 Umax Data Systems Inc Method for reducing discontinuity in scanning
US8218183B2 (en) * 2001-07-31 2012-07-10 Transpacific Systems, Llc Scanning speed control device and method
US7248387B2 (en) * 2001-07-31 2007-07-24 Umax Data Systems, Inc. Scanning speed control device and method
CH697283B1 (de) 2004-11-11 2008-07-31 Fluck Engineering Gmbh Verfahren und Vorrichtung zum Aufzeichnen digitaler Daten auf Bildmaterial.
JP5021980B2 (ja) * 2006-08-21 2012-09-12 株式会社リコー 撮像装置および撮像装置の起動方法
JP5754096B2 (ja) * 2010-08-05 2015-07-22 富士ゼロックス株式会社 画像処理装置、画像処理システム及びプログラム
US9679356B2 (en) * 2015-03-19 2017-06-13 Xerox Corporation Vectorized two stage tile-based scaling
US11809746B2 (en) * 2021-12-03 2023-11-07 Macronix International Co., Ltd. Solid state disk, data transmitting method and intermediary controller to support reduced SSD controller pad count

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341920A (en) * 1976-09-29 1978-04-15 Ricoh Co Ltd Telautograph information reading device
JPS59141872A (ja) * 1983-02-02 1984-08-14 Fuji Xerox Co Ltd 感熱記録装置
US5239384A (en) * 1984-03-30 1993-08-24 Canon Kabushiki Kaisha Video image recording apparatus
DE3585478D1 (de) * 1984-09-12 1992-04-09 Fuji Photo Film Co Ltd Abtastlesevorrichtung mit kompensationsmittel gegen abtastgeschwindigkeitsschwankungen und verfahren zum justieren des korrektionskoeffizienten.
US4692812A (en) * 1985-03-26 1987-09-08 Kabushiki Kaisha Toshiba Picture image reader
US4748514A (en) * 1986-12-22 1988-05-31 Xerox Corporation Variable rate scanning control
US4878119A (en) * 1988-02-29 1989-10-31 Xerox Corporation System for synchronizing integration pulses with integration signal in an asynchronous raster input scanner
US4864415A (en) * 1988-05-04 1989-09-05 Xerox Corporation Slow scan registration self alignment system for raster input scanners
EP0429634B1 (de) * 1989-06-16 1996-08-14 Eastman Kodak Company Digitaler bildinterpolator
US5043827A (en) * 1989-08-03 1991-08-27 Xerox Corporation Combined asynchronous-synchronous document scanner

Also Published As

Publication number Publication date
EP0565335B1 (de) 1997-07-02
JPH06103375A (ja) 1994-04-15
EP0565335A1 (de) 1993-10-13
US5369504A (en) 1994-11-29
JP3192267B2 (ja) 2001-07-23
DE69311829T2 (de) 1998-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee