DE69524520T2 - Vorrichtung und Verfahren zur Kodierung und Wiederherstellung von Bilddaten - Google Patents

Vorrichtung und Verfahren zur Kodierung und Wiederherstellung von Bilddaten

Info

Publication number
DE69524520T2
DE69524520T2 DE69524520T DE69524520T DE69524520T2 DE 69524520 T2 DE69524520 T2 DE 69524520T2 DE 69524520 T DE69524520 T DE 69524520T DE 69524520 T DE69524520 T DE 69524520T DE 69524520 T2 DE69524520 T2 DE 69524520T2
Authority
DE
Germany
Prior art keywords
coding
image data
restoring image
restoring
data
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
DE69524520T
Other languages
English (en)
Other versions
DE69524520D1 (de
Inventor
Thomas I Yeh
Aron Nacman
Francis K Tse
Kenneth D Romano
Anthony M Frumusa
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
Application granted granted Critical
Publication of DE69524520D1 publication Critical patent/DE69524520D1/de
Publication of DE69524520T2 publication Critical patent/DE69524520T2/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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
DE69524520T 1994-09-29 1995-09-29 Vorrichtung und Verfahren zur Kodierung und Wiederherstellung von Bilddaten Expired - Lifetime DE69524520T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/315,275 US5659634A (en) 1994-09-29 1994-09-29 Apparatus and method for encoding and reconstructing image data

Publications (2)

Publication Number Publication Date
DE69524520D1 DE69524520D1 (de) 2002-01-24
DE69524520T2 true DE69524520T2 (de) 2002-05-23

Family

ID=23223663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524520T Expired - Lifetime DE69524520T2 (de) 1994-09-29 1995-09-29 Vorrichtung und Verfahren zur Kodierung und Wiederherstellung von Bilddaten

Country Status (4)

Country Link
US (1) US5659634A (de)
EP (1) EP0705026B1 (de)
JP (1) JPH08112947A (de)
DE (1) DE69524520T2 (de)

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Publication number Priority date Publication date Assignee Title
EP0932949B1 (de) * 1996-10-11 2004-12-22 Sarnoff Corporation Verfahren und vorrichtung zur analyse von bitströmen
US5986714A (en) * 1997-06-10 1999-11-16 International Business Machines Corporation Method, apparatus and computer program product for selectively reducing bandwidth of real-time video data
US6141114A (en) * 1998-01-08 2000-10-31 Xerox Corporation Edge enhanced error diffusion with artifact correction in areas of highlights and shadows
US6437872B1 (en) * 1998-09-22 2002-08-20 Xerox Corporation Multibit screening of print documents in a PDL environment
US6266157B1 (en) 1998-11-13 2001-07-24 Xerox Corporation Method of error diffusion using 2×2 color correction and increment matching
US6285462B1 (en) 1998-11-13 2001-09-04 Xerox Corporation Intelligent GCR/UCR process to reduce multiple colorant moire in color printing
US6356654B1 (en) 1998-12-23 2002-03-12 Xerox Corporation Systems and methods for template matching of multicolored images
US6343159B1 (en) 1998-12-23 2002-01-29 Xerox Corporation Method and apparatus for modeling and reconstruction of halftoned images
US6381372B1 (en) 1998-12-30 2002-04-30 Xerox Corporation Systems and methods for designing image processing filters using templates
US6301397B1 (en) 1998-12-30 2001-10-09 Xerox Corporation Systems and methods for rotating high addressability images
US6363177B1 (en) 1998-12-30 2002-03-26 Xerox Corporation Systems and methods for rotating high addressability images
US6683702B1 (en) 1999-07-07 2004-01-27 Xerox Corporation Compact-dot reproduction of scanned halftone screens
JP3927388B2 (ja) 2000-09-27 2007-06-06 株式会社リコー 画像処理装置、画像処理方法及び記録媒体
US7496234B2 (en) * 2003-06-20 2009-02-24 Microsoft Corporation System and method for seamless multiplexing of embedded bitstreams
US7782326B2 (en) 2004-02-25 2010-08-24 Marvell International Technology Ltd. Parallel video processing architecture
US20050225806A1 (en) * 2004-03-17 2005-10-13 Niranjan Damera-Venkata Error diffusion using sub-pixel modulation
US7738710B2 (en) * 2004-08-02 2010-06-15 Electronics For Imaging, Inc. Methods and apparatus for communicating and displaying compressed image data
US7852531B2 (en) * 2007-12-12 2010-12-14 Xerox Corporation Digital correction for alignment of a plurality of color channels of a color image forming device
US10158784B2 (en) 2016-12-07 2018-12-18 Xerox Corporation System and method for adaptively compressing data having noisy images using lossless compression
BR112023025493A2 (pt) * 2021-06-08 2024-02-27 Op Solutions Llc Codificador de codificação de vídeo para máquinas (vcm) e decodificador para codificação combinada sem perdas e com perdas

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US3597071A (en) * 1968-08-30 1971-08-03 Xerox Corp Diverse-input system for electrostatically reproducing and recording information
CA1086231A (en) * 1976-03-08 1980-09-23 Lee N. Davy Document copying apparatus with electronic collating memory
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
DE3002781A1 (de) * 1980-01-26 1981-07-30 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik
US4532503A (en) * 1982-11-08 1985-07-30 International Business Machines Corporation Sequence controlled pixel configuration
EP0132455A1 (de) * 1983-07-29 1985-02-13 DR.-ING. RUDOLF HELL GmbH Verfahren und Vorrichtung zur hochauflösenden Darstellung von Strichgrafiken
US4558370A (en) * 1983-11-21 1985-12-10 International Business Machines Corporation Image processing method for graphics images
JPS6162286A (ja) * 1984-09-04 1986-03-31 Univ Nagoya 画像信号帯域圧縮方式
US4742550A (en) * 1984-09-17 1988-05-03 Motorola, Inc. 4800 BPS interoperable relp system
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
JP2733220B2 (ja) * 1986-09-30 1998-03-30 シャープ株式会社 複合型画像処理装置
US4821107A (en) * 1987-01-26 1989-04-11 Minolta Camera Kabushiki Kaisha Multi-functional imaging apparatus
US5047955A (en) * 1987-06-19 1991-09-10 Eastman Kodak Company Electronic collation
JPH01195770A (ja) * 1988-01-29 1989-08-07 Yokogawa Hewlett Packard Ltd 画像データ圧縮伝送方法
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
US5056154A (en) * 1988-11-07 1991-10-08 Sharp Kabushiki Kaisha Text image data compression system
US5237316A (en) * 1990-02-02 1993-08-17 Washington University Video display with high speed reconstruction and display of compressed images at increased pixel intensity range and retrofit kit for same
US5305159A (en) * 1990-08-08 1994-04-19 Kabushiki Kaisha Toshiba Magnetic disk apparatus
US5170340A (en) * 1990-09-28 1992-12-08 Xerox Corporation System state controller for electronic image processing systems
US5175633A (en) * 1990-10-10 1992-12-29 Fuji Xerox Co., Ltd. Method of diagnosing operating conditions of an image processor
US5223948A (en) * 1990-10-10 1993-06-29 Fuji Xerox Co., Ltd. Image processing apparatus
US5301262A (en) * 1990-10-10 1994-04-05 Fuji Xerox Co., Ltd. Image processor
US5276799A (en) * 1991-10-29 1994-01-04 Xerox Corporation Expandable electronic subsystem for a printing machine
US5307458A (en) * 1991-12-23 1994-04-26 Xerox Corporation Input/output coprocessor for printing machine
JPH05191608A (ja) * 1992-01-08 1993-07-30 Canon Inc カラー画像形成装置

Also Published As

Publication number Publication date
EP0705026A1 (de) 1996-04-03
DE69524520D1 (de) 2002-01-24
US5659634A (en) 1997-08-19
JPH08112947A (ja) 1996-05-07
EP0705026B1 (de) 2001-12-12

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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)