DE69220541D1 - Adaptive Quantisierung innerhalb des Sequentiellmodus der JPEG - Google Patents

Adaptive Quantisierung innerhalb des Sequentiellmodus der JPEG

Info

Publication number
DE69220541D1
DE69220541D1 DE69220541T DE69220541T DE69220541D1 DE 69220541 D1 DE69220541 D1 DE 69220541D1 DE 69220541 T DE69220541 T DE 69220541T DE 69220541 T DE69220541 T DE 69220541T DE 69220541 D1 DE69220541 D1 DE 69220541D1
Authority
DE
Germany
Prior art keywords
jpeg
adaptive quantization
sequential mode
quantization
adaptive
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
DE69220541T
Other languages
English (en)
Other versions
DE69220541T2 (de
Inventor
William B Pennebaker
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69220541D1 publication Critical patent/DE69220541D1/de
Application granted granted Critical
Publication of DE69220541T2 publication Critical patent/DE69220541T2/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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
  • Image Processing (AREA)
DE69220541T 1991-05-17 1992-04-06 Adaptive Quantisierung innerhalb des Sequentiellmodus der JPEG Expired - Lifetime DE69220541T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/702,904 US5157488A (en) 1991-05-17 1991-05-17 Adaptive quantization within the jpeg sequential mode

Publications (2)

Publication Number Publication Date
DE69220541D1 true DE69220541D1 (de) 1997-07-31
DE69220541T2 DE69220541T2 (de) 1998-01-15

Family

ID=24823085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220541T Expired - Lifetime DE69220541T2 (de) 1991-05-17 1992-04-06 Adaptive Quantisierung innerhalb des Sequentiellmodus der JPEG

Country Status (5)

Country Link
US (1) US5157488A (de)
EP (1) EP0513520B1 (de)
JP (1) JP2925097B2 (de)
CA (1) CA2062155C (de)
DE (1) DE69220541T2 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676608B1 (fr) * 1991-05-17 1993-09-03 France Telecom Procede de codage d'images en couleurs a fort taux de compression sans filtrage, procede de decodage, codeur, decodeur et application correspondants.
US5742345A (en) * 1991-07-05 1998-04-21 Samsung Electronics Co., Ltd. System for transmitting and receiving video signals using interpolation of adaptive factor
JPH05183441A (ja) * 1992-01-06 1993-07-23 Canon Inc 画像処理装置及びその方法
US5642437A (en) * 1992-02-22 1997-06-24 Texas Instruments Incorporated System decoder circuit with temporary bit storage and method of operation
JPH05236427A (ja) * 1992-02-25 1993-09-10 Sony Corp 画像信号の符号化装置及び符号化方法
JP2530090B2 (ja) * 1992-02-28 1996-09-04 三星電子株式会社 映像信号符号化装置
US5272529A (en) * 1992-03-20 1993-12-21 Northwest Starscan Limited Partnership Adaptive hierarchical subband vector quantization encoder
US5809270A (en) * 1992-06-30 1998-09-15 Discovision Associates Inverse quantizer
US5294974A (en) * 1992-07-24 1994-03-15 Matsushita Electric Corporation Of America High-definition video encoding system having color-sensitive quantization
JPH0654203A (ja) * 1992-07-30 1994-02-25 Canon Inc ファクシミリ装置及び画像処理装置
KR100287624B1 (ko) * 1992-09-28 2001-04-16 야스카와 히데아키 화상데이타의압축,해제방법및그장치
JP3348310B2 (ja) * 1992-09-28 2002-11-20 ソニー株式会社 動画像符号化方法および動画像符号化装置
KR0166727B1 (ko) * 1992-11-27 1999-03-20 김광호 영상움직임관련정보를 양자화제어에 이용하는 부호화방법 및 장치
US5729556A (en) * 1993-02-22 1998-03-17 Texas Instruments System decoder circuit with temporary bit storage and method of operation
US5657423A (en) * 1993-02-22 1997-08-12 Texas Instruments Incorporated Hardware filter circuit and address circuitry for MPEG encoded data
JPH08510851A (ja) 1993-03-25 1996-11-12 ライブ ピクチャー，インコーポレイテッド 画像処理方法及び装置
US6408097B1 (en) * 1993-08-30 2002-06-18 Sony Corporation Picture coding apparatus and method thereof
WO1995007004A1 (en) * 1993-08-30 1995-03-09 Sony Corporation Device and method for encoding image data
US5594554A (en) * 1993-10-04 1997-01-14 Zoran Corporation Image compression coder having improved scale factor control
US5638068A (en) * 1993-11-24 1997-06-10 Intel Corporation Processing images using two-dimensional forward transforms
EP0660619A1 (de) * 1993-12-22 1995-06-28 Laboratoires D'electronique Philips S.A.S. Verfahren zur variablen Längenkodierung von Bildern und Vorrichtung zur Ausführung eines solchen Verfahrens
US5729484A (en) * 1994-02-28 1998-03-17 Intel Corporation Processes, apparatuses, and systems of encoding and decoding signals using transforms
EP0770246A4 (de) 1994-07-14 1998-01-14 Johnson Grace Company Verfahren und gerät zur bildkompression
US5822456A (en) * 1994-07-14 1998-10-13 Johnson-Grace Optimal spline interpolation for image compression
US6356663B1 (en) * 1994-09-09 2002-03-12 Intel Corporation Processing image signals using spatial decomposition
US5434567A (en) * 1994-09-09 1995-07-18 Kabushiki Kaisha Toshiba Encoding image signals by further transforming transformed DC signals
US5883976A (en) * 1994-12-28 1999-03-16 Canon Kabushiki Kaisha Selectively utilizing multiple encoding methods
JPH08256341A (ja) * 1995-03-17 1996-10-01 Sony Corp 画像信号符号化方法、画像信号符号化装置、画像信号記録媒体、及び画像信号復号化装置
JP3703195B2 (ja) * 1995-03-27 2005-10-05 ヒューレット・パッカード・カンパニー カラー画像伝送装置
US5872874A (en) * 1995-04-26 1999-02-16 Hewlett-Packard Company Method and apparatus for scaling down images that are provided in a compressed data format
US5740283A (en) * 1995-07-06 1998-04-14 Rubin, Bednarek & Associates, Inc. Digital video compression utilizing mixed vector and scalar outputs
US5812788A (en) * 1995-07-21 1998-09-22 Intel Corporation Encoding/decoding video signals using quantization tables based on explicitly encoded base and scale matrices
US5729691A (en) * 1995-09-29 1998-03-17 Intel Corporation Two-stage transform for video signals
KR100387229B1 (ko) * 1995-11-01 2003-08-21 삼성전자주식회사 영상부호화장치
US5930526A (en) * 1996-01-24 1999-07-27 Intel Corporation System for progressive transmission of compressed video including video data of first type of video frame played independently of video data of second type of video frame
US5682152A (en) * 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5654806A (en) * 1996-05-06 1997-08-05 Xerox Corporation Code manipulation for a high speed JPEG decoder
WO1998034395A2 (en) * 1997-02-04 1998-08-06 Media 100, Inc. Compression/decompression of stream of video data
US6668088B1 (en) 1997-02-25 2003-12-23 British Broadcasting Corporation Digital signal compression encoding with improved quantisation
US6175650B1 (en) 1998-01-26 2001-01-16 Xerox Corporation Adaptive quantization compatible with the JPEG baseline sequential mode
US6252994B1 (en) * 1998-01-26 2001-06-26 Xerox Corporation Adaptive quantization compatible with the JPEG baseline sequential mode
US6249614B1 (en) * 1998-03-06 2001-06-19 Alaris, Inc. Video compression and decompression using dynamic quantization and/or encoding
AUPP248298A0 (en) * 1998-03-20 1998-04-23 Canon Kabushiki Kaisha A method and apparatus for hierarchical encoding and decoding an image
US6195462B1 (en) 1998-03-30 2001-02-27 Eastman Kodak Company Image compression
US6104441A (en) * 1998-04-29 2000-08-15 Hewlett Packard Company System for editing compressed image sequences
US6697525B1 (en) 1998-10-02 2004-02-24 Parthusceva Ltd. System method and apparatus for performing a transform on a digital image
US6999511B1 (en) * 1999-02-23 2006-02-14 International Business Machines Corporation Dynamically switching quant matrix tables within an MPEG-2 encoder
US6868186B1 (en) 2000-07-13 2005-03-15 Ceva D.S.P. Ltd. Visual lossless image compression
US7092578B2 (en) * 2001-10-23 2006-08-15 Agilent Technologies, Inc. Signaling adaptive-quantization matrices in JPEG using end-of-block codes
US7236524B2 (en) 2002-05-28 2007-06-26 Sharp Laboratories Of America, Inc. Methods and systems for image intra-prediction mode communication
US7289672B2 (en) 2002-05-28 2007-10-30 Sharp Laboratories Of America, Inc. Methods and systems for image intra-prediction mode estimation
US7386048B2 (en) 2002-05-28 2008-06-10 Sharp Laboratories Of America, Inc. Methods and systems for image intra-prediction mode organization
WO2003101117A1 (en) * 2002-05-28 2003-12-04 Sharp Kabushiki Kaisha Methods and systems for image intra-prediction mode estimation, communication, and organization
JP2005191956A (ja) * 2003-12-25 2005-07-14 Yamaha Corp 表示用データ圧縮／伸張方法
US7627180B2 (en) * 2004-02-17 2009-12-01 Toa Corporation Image compression apparatus
US7506071B2 (en) 2005-07-19 2009-03-17 International Business Machines Corporation Methods for managing an interactive streaming image system
US7616821B2 (en) 2005-07-19 2009-11-10 International Business Machines Corporation Methods for transitioning compression levels in a streaming image system
US20070028286A1 (en) 2005-07-28 2007-02-01 Greene David P Systems, methods, and media for detecting content change in a streaming image system
JP4365878B2 (ja) * 2005-12-21 2009-11-18 パナソニック株式会社 超音波診断装置
CN102611892B (zh) * 2006-03-16 2014-10-08 华为技术有限公司 在编码过程中实现自适应量化的方法及装置
TW201028018A (en) * 2009-01-07 2010-07-16 Ind Tech Res Inst Encoder, decoder, encoding method and decoding method
CN101594537B (zh) * 2009-06-04 2011-07-27 北京京北方信息技术有限公司 海量图像数据压缩方法
JP5844263B2 (ja) * 2009-10-05 2016-01-13 ビーマル イメージング リミテッドＢｅａｍｒ Ｉｍａｇｉｎｇ Ｌｔｄ． デジタル画像を再圧縮するための装置および方法
WO2011135558A1 (en) 2010-04-29 2011-11-03 I.C.V.T. Ltd Apparatus and methods for re-compression having a monotonic relationship between extent of comprission and quality of compressed image
US9020291B2 (en) 2012-08-31 2015-04-28 Hewlett-Packard Development Company, L.P. Resized image compression based on frequency content
US10687062B1 (en) * 2019-02-22 2020-06-16 Google Llc Compression across multiple images

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136093A (en) * 1980-03-26 1981-10-23 Fuji Photo Film Co Ltd Adaptive quantizer
JPS57150275A (en) * 1981-03-11 1982-09-17 Fuji Photo Film Co Ltd Adaptive quantizer
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
FR2544574B1 (fr) * 1983-04-13 1985-06-14 Guichard Jacques Procede de codage par compression d'un signal numerique video en couleur
JPS59200592A (ja) * 1983-04-27 1984-11-13 Fuji Photo Film Co Ltd カラ−画像の適応形圧縮方式
JPS6029090A (ja) * 1983-07-28 1985-02-14 Kokusai Denshin Denwa Co Ltd <Kdd> ベクトル信号の繰込み量子化方式
US4992273A (en) * 1984-10-01 1991-02-12 Institut Pasteur Antigens of Leishmania parasites
US4716453A (en) * 1985-06-20 1987-12-29 At&T Bell Laboratories Digital video transmission system
US4831636A (en) * 1985-06-28 1989-05-16 Fujitsu Limited Coding transmission equipment for carrying out coding with adaptive quantization
US4698689A (en) * 1986-03-28 1987-10-06 Gte Laboratories Incorporated Progressive image transmission
IL80103A0 (en) * 1986-09-21 1987-01-30 Eci Telecom Limited Adaptive differential pulse code modulation(adpcm)system
DE3855114D1 (de) * 1987-05-06 1996-04-25 Philips Patentverwaltung System zur Übertragung von Videobildern
GB8724789D0 (en) * 1987-10-19 1987-11-25 British Telecomm Signal coding
US4791483A (en) * 1987-11-20 1988-12-13 The Grass Valley Group, Inc. Adaptive differential pulse code modulation video encoder

Also Published As

Publication number Publication date
EP0513520B1 (de) 1997-06-25
EP0513520A3 (de) 1995-03-08
US5157488A (en) 1992-10-20
JPH05183758A (ja) 1993-07-23
JP2925097B2 (ja) 1999-07-26
DE69220541T2 (de) 1998-01-15
CA2062155A1 (en) 1992-11-18
CA2062155C (en) 1998-04-28
EP0513520A2 (de) 1992-11-19

Similar Documents

Publication Publication Date Title
DE69220541T2 (de) Adaptive Quantisierung innerhalb des Sequentiellmodus der JPEG
DE69333288D1 (de) Verbesserte vektorquantisierung
DE69320669D1 (de) Geometrische Vektorquantisierung
FI904133A0 (fi) Adaptiivinen kvantisointikooderi/dekooderi
DE69233085D1 (de) Streuer
DE69412208D1 (de) Angelwinde
DE69221431T2 (de) Einrichtung zur adaptiven Quantisierung
DE69224944D1 (de) Gerät zur Vektorquantisierung
DE69310609T2 (de) Quantisierungskontrollschaltung
DE69324973T2 (de) Angelwinde
DE69125370T2 (de) Kodieranordnung
DE69421791D1 (de) Angelwinde
KR920018881U (ko) 견지낚시대
NO921581D0 (no) Fiskeredskap
DE69208801T2 (de) Angelwinde
KR930012332U (ko) 역양자화 회로
KR920014547U (ko) 낚시바늘 풀개
KR940004775U (ko) 낚싯대 뒷받침
KR940006852U (ko) 낚시찌의 꽂이연결구
KR940000048U (ko) 인찌기 낚시
KR950016222U (ko) 낚시바늘
KR940009072U (ko) 낚시대 받침
KR940006857U (ko) 낚시대 받침 양용 보관통
GB9115797D0 (en) The shoeing of horses
SE9100780D0 (sv) Frys-/kylskaap

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7