DE69227726T2 - Bildverarbeitungsgerät und -Verfahren - Google Patents

Bildverarbeitungsgerät und -Verfahren

Info

Publication number
DE69227726T2
DE69227726T2 DE1992627726 DE69227726T DE69227726T2 DE 69227726 T2 DE69227726 T2 DE 69227726T2 DE 1992627726 DE1992627726 DE 1992627726 DE 69227726 T DE69227726 T DE 69227726T DE 69227726 T2 DE69227726 T2 DE 69227726T2
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
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 - Lifetime
Application number
DE1992627726
Other languages
English (en)
Other versions
DE69227726D1 (de
Inventor
Kazuhiro Saito
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69227726D1 publication Critical patent/DE69227726D1/de
Publication of DE69227726T2 publication Critical patent/DE69227726T2/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
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H04N11/042—Codec means
    • H04N11/044—Codec means involving transform coding
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/642—Adapting to different types of images, e.g. characters, graphs, black and white image portions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
DE1992627726 1991-04-23 1992-04-22 Bildverarbeitungsgerät und -Verfahren Expired - Lifetime DE69227726T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3092311A JPH04323963A (ja) 1991-04-23 1991-04-23 画像処理方法及び装置

Publications (2)

Publication Number Publication Date
DE69227726D1 DE69227726D1 (de) 1999-01-14
DE69227726T2 true DE69227726T2 (de) 1999-05-20

Family

ID=14050858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992627726 Expired - Lifetime DE69227726T2 (de) 1991-04-23 1992-04-22 Bildverarbeitungsgerät und -Verfahren

Country Status (4)

Country Link
US (1) US5930386A (de)
EP (1) EP0510933B1 (de)
JP (1) JPH04323963A (de)
DE (1) DE69227726T2 (de)

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US6028961A (en) * 1992-07-31 2000-02-22 Canon Kabushiki Kaisha Image processing method and apparatus
EP0586074B1 (de) * 1992-07-31 2001-11-14 Canon Kabushiki Kaisha Bildverarbeitungsgerät und Verfahren zur mehrstufigen Kompression
US6427025B1 (en) 1992-08-14 2002-07-30 Canon Kabushiki Kaisha Image processing with selection between reversible and irreversible compression
JP3381855B2 (ja) * 1992-12-28 2003-03-04 ソニー株式会社 画像信号符号化方法および画像信号符号化装置、並びに画像信号復号化方法および画像信号復号化装置
CN1092446C (zh) * 1993-05-31 2002-10-09 佳能株式会社 图象处理方法和装置
JP2518524B2 (ja) * 1993-06-21 1996-07-24 日本電気株式会社 画像デ―タの圧縮／伸長方法
JP3442111B2 (ja) * 1993-09-14 2003-09-02 株式会社ソニー・コンピュータエンタテインメント 画像圧縮装置，画像再生装置及び描画装置
US5748786A (en) 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
GB2293733B (en) * 1994-09-20 1997-10-22 Ricoh Kk Encoder including an embedded coder for performing bit-significance encoding
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US5881176A (en) * 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US5867602A (en) * 1994-09-21 1999-02-02 Ricoh Corporation Reversible wavelet transform and embedded codestream manipulation
US6549666B1 (en) 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
US5966465A (en) * 1994-09-21 1999-10-12 Ricoh Corporation Compression/decompression using reversible embedded wavelets
US5987181A (en) * 1995-10-12 1999-11-16 Sharp Kabushiki Kaisha Coding and decoding apparatus which transmits and receives tool information for constructing decoding scheme
US5909249A (en) * 1995-12-15 1999-06-01 General Instrument Corporation Reduction of noise visibility in a digital video system
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
US6449310B1 (en) * 1997-11-21 2002-09-10 Matsushita Electric Industrial Co., Ltd. Video signal coding apparatus
JPH11164152A (ja) * 1997-11-26 1999-06-18 Ricoh Co Ltd カラー画像データ圧縮装置
US6044172A (en) * 1997-12-22 2000-03-28 Ricoh Company Ltd. Method and apparatus for reversible color conversion
JP3964042B2 (ja) * 1998-04-08 2007-08-22 株式会社リコー カラー画像処理装置およびカラー画像処理方法
US6314452B1 (en) 1999-08-31 2001-11-06 Rtimage, Ltd. System and method for transmitting a digital image over a communication network
AU2001253563A1 (en) 2000-04-18 2001-10-30 Rtimage Inc. System and method for the lossless progressive streaming of images over a communication network
US7376279B2 (en) 2000-12-14 2008-05-20 Idx Investment Corporation Three-dimensional image streaming system and method for medical images
US20030112863A1 (en) * 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
JP3880862B2 (ja) * 2002-01-29 2007-02-14 富士フイルムホールディングス株式会社 撮像装置
WO2003073771A1 (en) * 2002-02-28 2003-09-04 Koninklijke Philips Electronics N.V. Method and device for coding and decoding a digital color video sequence
CN1647544A (zh) * 2002-04-12 2005-07-27 皇家飞利浦电子股份有限公司 用于编码和解码的方法和设备
US6941011B2 (en) * 2002-06-27 2005-09-06 Hewlett-Packard Development Company, Lp. Method and system for image processing including mixed resolution, multi-channel color compression, transmission and decompression
US20040005003A1 (en) * 2002-07-02 2004-01-08 Koninklijke Philips Electronics N.V. Quality improvement for FGS BL coding with U/V coarse quantization
US7002595B2 (en) * 2002-10-04 2006-02-21 Broadcom Corporation Processing of color graphics data
US20060140487A1 (en) * 2004-12-23 2006-06-29 Kabushiki Kaisha Toshiba Image compressing apparatus and image decoding apparatus and image converting apparatus and image processing method
US8285037B2 (en) * 2005-02-28 2012-10-09 Nxp B.V. Compression format and apparatus using the new compression format for temporarily storing image data in a frame memory
US8243340B2 (en) * 2006-02-23 2012-08-14 Microsoft Corporation Pre-processing of image data for enhanced compression
US20110135198A1 (en) * 2009-12-08 2011-06-09 Xerox Corporation Chrominance encoding and decoding of a digital image
US9998750B2 (en) * 2013-03-15 2018-06-12 Cisco Technology, Inc. Systems and methods for guided conversion of video from a first to a second compression format
US20150124873A1 (en) * 2013-11-01 2015-05-07 Microsoft Corporation Chroma Down-Conversion and Up-Conversion Processing

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DE3024322A1 (de) * 1980-06-27 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur codierung von elektrischen signalen, die bei der abtastung eines grafischen musters mit aus text und bildern gemischtem inhalt gewonnen werden
BE889996A (nl) * 1981-08-18 1981-12-16 Belge Lampes Mat Electr Mble Facsimile overdrachtsinrichting
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
US4887151A (en) * 1986-06-30 1989-12-12 Canon Kabushiki Kaisha Encoding apparatus for color image data with block-by-block individual quantizing or individual encoding of luminosity, structure, and color information
JP2589298B2 (ja) * 1987-01-28 1997-03-12 キヤノン株式会社 符号化画像データの復号化装置
US4974071A (en) * 1987-04-28 1990-11-27 Canon Kabushiki Kaisha Color image data encoding apparatus having improved resolution/efficiency characteristics
FR2625638B1 (fr) * 1987-12-30 1994-06-17 Thomson Grand Public Procede de synchronisation pour la transmission, sur un canal asynchrone, d'une suite d'images codees au moyen d'un code a longueur variable, et dispositif pour la mise en oeuvre de ce procede
JP2618988B2 (ja) * 1988-06-10 1997-06-11 キヤノン株式会社 カラー画像伸長装置
US5046121A (en) * 1989-01-31 1991-09-03 Konica Corporation Image data compression apparatus
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US4987480A (en) * 1989-07-11 1991-01-22 Massachusetts Institute Of Technology Multiscale coding of images
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
US5053861A (en) * 1989-07-24 1991-10-01 Eastman Kodak Company Compression method and apparatus for single-sensor color imaging systems
GB8929152D0 (en) * 1989-12-22 1990-02-28 Gen Electric A digital augmentation system for actv-ii
US5668646A (en) * 1990-02-06 1997-09-16 Canon Kabushiki Kaisha Apparatus and method for decoding differently encoded multi-level and binary image data, the later corresponding to a color in the original image
US5253078A (en) * 1990-03-14 1993-10-12 C-Cube Microsystems, Inc. System for compression and decompression of video data using discrete cosine transform and coding techniques
US5001561A (en) * 1990-05-02 1991-03-19 At&T Bell Laboratories Embedded coding system for video signals
JP3100391B2 (ja) * 1990-08-15 2000-10-16 株式会社リコー カラー画像の領域分離装置
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus
US5148272A (en) * 1991-02-27 1992-09-15 Rca Thomson Licensing Corporation Apparatus for recombining prioritized video data
JPH04323965A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像符号化方法
US5185819A (en) * 1991-04-29 1993-02-09 General Electric Company Video signal compression apparatus for independently compressing odd and even fields
US5212742A (en) * 1991-05-24 1993-05-18 Apple Computer, Inc. Method and apparatus for encoding/decoding image data
US5185655A (en) * 1991-10-02 1993-02-09 Tandy Corporation Method and apparatus for encoding full color video data signals and protocol for encoding same

Also Published As

Publication number Publication date
JPH04323963A (ja) 1992-11-13
EP0510933A1 (de) 1992-10-28
DE69227726D1 (de) 1999-01-14
EP0510933B1 (de) 1998-12-02
US5930386A (en) 1999-07-27

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