DE69810042D1 - Verringerung von Artefakten durch Bildpunktwichtung in Überlappungszonen benachbarter Teilbildabtastbereiche - Google Patents

Verringerung von Artefakten durch Bildpunktwichtung in Überlappungszonen benachbarter Teilbildabtastbereiche

Info

Publication number
DE69810042D1
DE69810042D1 DE69810042T DE69810042T DE69810042D1 DE 69810042 D1 DE69810042 D1 DE 69810042D1 DE 69810042 T DE69810042 T DE 69810042T DE 69810042 T DE69810042 T DE 69810042T DE 69810042 D1 DE69810042 D1 DE 69810042D1
Authority
DE
Germany
Prior art keywords
artifacts
reduction
field scanning
adjacent field
scanning areas
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 - Lifetime
Application number
DE69810042T
Other languages
English (en)
Other versions
DE69810042T2 (de
Inventor
Robert W Beauchamp
Curtis J Behrend
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69810042D1 publication Critical patent/DE69810042D1/de
Publication of DE69810042T2 publication Critical patent/DE69810042T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/04—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
    • H04N1/126—Arrangements for the main scanning
    • H04N1/128—Arrangements for the main scanning using a scanning head arranged for linear reciprocating motion
    • 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
    • H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
    • 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
    • H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
    • H04N1/1913—Scanning adjacent picture elements in different scans of the array, e.g. in complementary checkerboard patterns
    • H04N1/1915—Scanning adjacent picture elements in different scans of the array, e.g. in complementary checkerboard patterns with subscan displacement of the array between successive scans
    • 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
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0414—Scanning an image in a series of overlapping zones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Ink Jet (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69810042T 1997-09-08 1998-08-14 Verringerung von Artefakten durch Bildpunktwichtung in Überlappungszonen benachbarter Teilbildabtastbereiche Expired - Lifetime DE69810042T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/926,773 US6144778A (en) 1997-09-08 1997-09-08 Pixel weighted transition scanning to ameliorate swath scanner banding

Publications (2)

Publication Number Publication Date
DE69810042D1 true DE69810042D1 (de) 2003-01-23
DE69810042T2 DE69810042T2 (de) 2003-09-04

Family

ID=25453702

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69810042T Expired - Lifetime DE69810042T2 (de) 1997-09-08 1998-08-14 Verringerung von Artefakten durch Bildpunktwichtung in Überlappungszonen benachbarter Teilbildabtastbereiche

Country Status (3)

Country Link
US (1) US6144778A (de)
EP (1) EP0901273B1 (de)
DE (1) DE69810042T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6603572B1 (en) * 1998-03-12 2003-08-05 Canon Kabushiki Kaisha Image reading apparatus, method and memory medium therefor
JP2000115478A (ja) * 1998-10-06 2000-04-21 Canon Inc シリアルスキャナ装置及びその双方向誤差補正方法並びに記憶媒体
DE10117035B4 (de) 2000-04-27 2006-08-17 Hewlett-Packard Development Co., L.P., Houston Drucktechnik zum Verbergen von Bandgrenzen-Banderscheinungen
US7333250B2 (en) * 2002-01-31 2008-02-19 Hewlett-Packard Development Company, L.P. Image scanner with a single motor providing two-dimensional movement of photosensors
JP3913602B2 (ja) * 2002-04-23 2007-05-09 富士フイルム株式会社 読取画像処理方法および装置
US9137466B2 (en) 2006-08-30 2015-09-15 Micron Technology, Inc. Image sensor defect identification using optical flare
US20080055434A1 (en) * 2006-08-31 2008-03-06 Micron Technology, Inc. Image sensor defect identification using blurring techniques
GB2443457B (en) * 2006-10-31 2011-11-02 Hewlett Packard Development Co Image processing system and method
US8244062B2 (en) * 2007-10-22 2012-08-14 Hewlett-Packard Development Company, L.P. Correction of distortion in captured images
US9030915B2 (en) * 2012-09-05 2015-05-12 The United States Of America, As Represented By The Secretary Of The Navy System and method for swath overlap detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149091A (en) * 1977-05-02 1979-04-10 Xerox Corporation Scanning apparatus
US4393410A (en) * 1981-11-13 1983-07-12 Wespac Multiple camera automatic digitizer and method
JPS6126181A (ja) * 1984-07-16 1986-02-05 Hitachi Medical Corp 画像読取装置
US4692812A (en) * 1985-03-26 1987-09-08 Kabushiki Kaisha Toshiba Picture image reader
US4967203A (en) * 1989-09-29 1990-10-30 Hewlett-Packard Company Interlace printing process
US4999646A (en) * 1989-11-29 1991-03-12 Hewlett-Packard Company Method for enhancing the uniformity and consistency of dot formation produced by color ink jet printing
US5140432A (en) * 1990-09-12 1992-08-18 Hewlett-Packard Company Method and system for printing in one or more color planes with improved control of error diffusion
US5512923A (en) * 1992-09-30 1996-04-30 Hewlett-Packard Company Color variation control method for ink-jet printers
US5644683A (en) * 1995-03-03 1997-07-01 Hewlett-Packard Company Print mode and system to alleviate wait-banding

Also Published As

Publication number Publication date
US6144778A (en) 2000-11-07
DE69810042T2 (de) 2003-09-04
EP0901273A2 (de) 1999-03-10
EP0901273B1 (de) 2002-12-11
EP0901273A3 (de) 2000-03-15

Similar Documents

Publication Publication Date Title
DE69631108D1 (de) Nachfilterung zur Entfernung von Artefakten in DCT-codierten Bildern
DE69421352D1 (de) Reduzierung des Rauschens in Bildsignalen
DE69739916D1 (de) Reduzierung von Übersprechen in Anzeigevorrichtung mit aktiver Matrix
DE69909353D1 (de) Abtasten von Dokumenten
ATE240437T1 (de) Zellförmige begrenzungsstruktur
DE69505318D1 (de) Synthetische anregbare Aminosäuren
DE69739246D1 (de) Darstellung von Halbtonbildern
DE69812540D1 (de) Mischeranordnungen mit Spiegelfrequenz-Unterdrückung
DE69702805D1 (de) Vielseitige Massstabsveränderung von Zeichnungen
DE69810042D1 (de) Verringerung von Artefakten durch Bildpunktwichtung in Überlappungszonen benachbarter Teilbildabtastbereiche
DE59404896D1 (de) Sieb
DE69434080D1 (de) Abtastbelichtungsvorrichtung
DE69821998D1 (de) Verringerung von geistartefakten
DE69420516D1 (de) Darstellung von diagnostisch irrelevanten Gebieten in radiographischen Bildern
DE69529732D1 (de) Korrektur der Perspektive von Texturen in graphischen Bildern durch adaptive Approximation
DE69803105D1 (de) Bildabtastvorrichtung und Verfahren zum Abtasten von Bildern
DE60031079D1 (de) Oberwellenmessung von Blockartefakten in Videosignalen
DE69511136D1 (de) Pixelkorrektur und Glättungsverfahren
DE69428529D1 (de) Tragbares abtastkolorimeter
DE69720198T2 (de) Interpolationsverfahren von Binärbildern
DE69835972D1 (de) Bildabtastgerät
DE69738480D1 (de) Interpolationsverfahren von Binärbildern
DE59607328D1 (de) Verwendung von modifizierten polyasparaginsäuren in waschmitteln
DE69433097D1 (de) Abtastvorrichtung
DE59808032D1 (de) Rührwerksmühle

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE