DE69413759D1 - ADCT-Kompression mit minimalem Kompressionsgrad - Google Patents

ADCT-Kompression mit minimalem Kompressionsgrad

Info

Publication number
DE69413759D1
DE69413759D1 DE69413759T DE69413759T DE69413759D1 DE 69413759 D1 DE69413759 D1 DE 69413759D1 DE 69413759 T DE69413759 T DE 69413759T DE 69413759 T DE69413759 T DE 69413759T DE 69413759 D1 DE69413759 D1 DE 69413759D1
Authority
DE
Germany
Prior art keywords
compression
adct
minimal degree
minimal
degree
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
DE69413759T
Other languages
English (en)
Other versions
DE69413759T2 (de
Inventor
Reiner Eschbach
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 DE69413759D1 publication Critical patent/DE69413759D1/de
Publication of DE69413759T2 publication Critical patent/DE69413759T2/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
    • 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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
DE69413759T 1993-07-19 1994-07-19 ADCT-Kompression mit minimalem Kompressionsgrad Expired - Fee Related DE69413759T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/093,574 US5321522A (en) 1993-07-19 1993-07-19 ADCT compression with minimum compression ratio

Publications (2)

Publication Number Publication Date
DE69413759D1 true DE69413759D1 (de) 1998-11-12
DE69413759T2 DE69413759T2 (de) 1999-04-15

Family

ID=22239678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413759T Expired - Fee Related DE69413759T2 (de) 1993-07-19 1994-07-19 ADCT-Kompression mit minimalem Kompressionsgrad

Country Status (4)

Country Link
US (1) US5321522A (de)
EP (1) EP0635984B1 (de)
JP (1) JPH07184057A (de)
DE (1) DE69413759T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04373277A (ja) * 1991-06-21 1992-12-25 Sony Corp スメア補正回路
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
US5379122A (en) * 1992-10-02 1995-01-03 Xerox Corporation Decompression of standard ADCT-compressed images
JP2526505B2 (ja) * 1993-09-28 1996-08-21 日本電気株式会社 画像処理装置
JP3048033B2 (ja) * 1994-09-07 2000-06-05 富士ゼロックス株式会社 画像情報符号化処理装置及び画像情報通信装置
US6141446A (en) * 1994-09-21 2000-10-31 Ricoh Company, Ltd. Compression and decompression system with reversible wavelets and lossy reconstruction
US5521718A (en) * 1994-12-05 1996-05-28 Xerox Corporation Efficient iterative decompression of standard ADCT-compressed images
US5995665A (en) * 1995-05-31 1999-11-30 Canon Kabushiki Kaisha Image processing apparatus and method
US5926222A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate estimator for selecting quantization levels for image encoding
USH1684H (en) * 1995-09-29 1997-10-07 Xerox Corporation Fast preview processing for JPEG compressed images
US5845083A (en) * 1996-03-07 1998-12-01 Mitsubishi Semiconductor America, Inc. MPEG encoding and decoding system for multimedia applications
US6049330A (en) * 1997-08-28 2000-04-11 Oak Technology, Inc. Method and apparatus for optimizing storage of compressed images in memory
US6040861A (en) * 1997-10-10 2000-03-21 International Business Machines Corporation Adaptive real-time encoding of video sequence employing image statistics
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
US6195462B1 (en) 1998-03-30 2001-02-27 Eastman Kodak Company Image compression
AU749077B2 (en) * 1999-07-12 2002-06-20 Canon Kabushiki Kaisha Digital image coding
US7062098B1 (en) 2000-05-12 2006-06-13 International Business Machines Corporation Method and apparatus for the scaling down of data
US6970179B1 (en) 2000-05-12 2005-11-29 International Business Machines Corporation Method and apparatus for the scaling up of data
US6906719B2 (en) 2002-10-12 2005-06-14 International Business Machines Corporation System and method for content-based querying using video compression format
JP3860545B2 (ja) * 2003-02-07 2006-12-20 誠 小川 画像処理装置及び画像処理方法
JP4500539B2 (ja) * 2003-12-26 2010-07-14 キヤノン株式会社 画像処理装置、画像処理方法、プログラム及び記憶媒体
EP1741389A1 (de) * 2005-07-06 2007-01-10 Agfa-Gevaert Verfahren zur Unterdrückung des Einflusses der Variabilität der physikalischen Eigenschaft auf die Leistung der Bildqualität eines digitalen Bildaufnahmesytem
KR102375037B1 (ko) 2011-04-22 2022-03-17 돌비 인터네셔널 에이비 데이터를 손실 압축-인코딩하기 위한 방법 및 장치와 데이터를 재구성하기 위한 대응하는 방법 및 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051840A (en) * 1988-12-14 1991-09-24 Fuji Photo Film Co., Ltd. Device for coding a picture signal by compression
FR2648978B2 (fr) * 1988-12-16 1995-01-06 Thomson Csf Procede de codage d'une suite d'images, par une transformation et une pluralite de codes a longueur variable, et dispositifs pour la mise en oeuvre de ce procede
JP2521145B2 (ja) * 1989-02-20 1996-07-31 日本ビクター株式会社 動き補償予測符号化復号化方式
JPH02226886A (ja) * 1989-02-28 1990-09-10 Sony Corp データ伝送装置及び伝送方法
JPH0379182A (ja) * 1989-08-23 1991-04-04 Fujitsu Ltd 画像符号化制御方式
US5001559A (en) * 1989-10-12 1991-03-19 International Business Machines Corporation Transform coding using coefficient prediction techniques
US5216516A (en) * 1990-04-27 1993-06-01 Ricoh Company, Inc. Orthogonal transformation arithmetic unit
US4999705A (en) * 1990-05-03 1991-03-12 At&T Bell Laboratories Three dimensional motion compensated video coding
US5220440A (en) * 1990-10-10 1993-06-15 Fuji Xerox Co., Ltd. Data compression method having a fixed ratio of compression for image data, and image data compression device
JPH0595536A (ja) * 1991-10-01 1993-04-16 Toshiba Corp 高能率符号化信号処理装置

Also Published As

Publication number Publication date
EP0635984A1 (de) 1995-01-25
US5321522A (en) 1994-06-14
JPH07184057A (ja) 1995-07-21
DE69413759T2 (de) 1999-04-15
EP0635984B1 (de) 1998-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee