DE69905428T2 - Ungleiche Komprimierung von MSBs und LSBs mit hierarchischer Vektorquantisierung - Google Patents

Ungleiche Komprimierung von MSBs und LSBs mit hierarchischer Vektorquantisierung

Info

Publication number
DE69905428T2
DE69905428T2 DE69905428T DE69905428T DE69905428T2 DE 69905428 T2 DE69905428 T2 DE 69905428T2 DE 69905428 T DE69905428 T DE 69905428T DE 69905428 T DE69905428 T DE 69905428T DE 69905428 T2 DE69905428 T2 DE 69905428T2
Authority
DE
Germany
Prior art keywords
msbs
lsbs
vector quantization
hierarchical vector
unequal compression
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
DE69905428T
Other languages
English (en)
Other versions
DE69905428D1 (de
Inventor
Uoc H Nguyen
Kien T Nguyen
Abraham E Claproth
Sang-Chul Kang
Chia-Hao Lee
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 DE69905428D1 publication Critical patent/DE69905428D1/de
Publication of DE69905428T2 publication Critical patent/DE69905428T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • 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
    • 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
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation
DE69905428T 1998-06-29 1999-06-15 Ungleiche Komprimierung von MSBs und LSBs mit hierarchischer Vektorquantisierung Expired - Fee Related DE69905428T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/106,581 US6205252B1 (en) 1998-06-29 1998-06-29 Two channel HVQ (hierarchical vector quantization) compression

Publications (2)

Publication Number Publication Date
DE69905428D1 DE69905428D1 (de) 2003-03-27
DE69905428T2 true DE69905428T2 (de) 2003-08-28

Family

ID=22312196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69905428T Expired - Fee Related DE69905428T2 (de) 1998-06-29 1999-06-15 Ungleiche Komprimierung von MSBs und LSBs mit hierarchischer Vektorquantisierung

Country Status (4)

Country Link
US (1) US6205252B1 (de)
EP (1) EP0969670B1 (de)
JP (1) JP2000049619A (de)
DE (1) DE69905428T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0969656B1 (de) 1998-06-29 2007-01-24 Xerox Corporation Kompression von Grenzen zwischen Bildern
US7349135B2 (en) * 1998-12-18 2008-03-25 Xerox Corporation Time multiplexed image data decompression circuit
US7155062B1 (en) * 1999-11-17 2006-12-26 Genicom Corp. System and method for performing pattern matching image compression
GB2362731B (en) * 2000-05-23 2004-10-06 Advanced Risc Mach Ltd Parallel processing of multiple data values within a data word
US6683980B1 (en) * 2000-07-28 2004-01-27 Microsoft Corporation System and method for compressing data
US7965406B2 (en) 2002-10-25 2011-06-21 Xerox Corporation Time multiplexed image data decompression circuit
KR100579587B1 (ko) * 2003-06-30 2006-05-15 주식회사 대우일렉트로닉스 홀로그래픽 재생 데이터 압축 장치 및 방법
JP2005295505A (ja) * 2004-03-12 2005-10-20 Canon Inc 動画像符号化装置及び動画像復号装置及びそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
JP4702928B2 (ja) * 2004-03-12 2011-06-15 キヤノン株式会社 動画像符号化装置及び復号装置及びその制御方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
FR2893806A1 (fr) * 2005-11-21 2007-05-25 Thomson Licensing Sas Systeme de transmission d'images de dynamique elevee, unites et procedes de codage et de decodage pour ce systeme
JP4434155B2 (ja) * 2006-02-08 2010-03-17 ソニー株式会社 符号化方法、符号化プログラムおよび符号化装置
WO2009076128A1 (en) * 2007-12-06 2009-06-18 Kadant Web Systems, Inc. Doctor blade holder
US9692692B1 (en) 2015-09-29 2017-06-27 Juniper Networks, Inc. High-scale data center having LSP transport hierarchy
GB2545503B (en) 2015-12-18 2020-04-08 Imagination Tech Ltd Lossy data compression
US20230334028A1 (en) * 2022-03-29 2023-10-19 Imagination Technologies Limited Data compression and decompression
GB2617112A (en) * 2022-03-29 2023-10-04 Imagination Tech Ltd Data compression and decompression
GB2617111A (en) * 2022-03-29 2023-10-04 Imagination Tech Ltd Data compression and decompression

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745473A (en) * 1986-03-24 1988-05-17 Harris Corporation Hybrid image compression system
US4679094A (en) * 1986-10-14 1987-07-07 The Associated Press Method for compression and transmission of video information
US5140417A (en) * 1989-06-20 1992-08-18 Matsushita Electric Co., Ltd. Fast packet transmission system of video data
US5339164A (en) * 1991-12-24 1994-08-16 Massachusetts Institute Of Technology Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runlength encoding
US5272529A (en) * 1992-03-20 1993-12-21 Northwest Starscan Limited Partnership Adaptive hierarchical subband vector quantization encoder
US5253058A (en) * 1992-04-01 1993-10-12 Bell Communications Research, Inc. Efficient coding scheme for multilevel video transmission
JP3202355B2 (ja) * 1992-10-27 2001-08-27 キヤノン株式会社 階層符号化方式
US5764802A (en) * 1994-09-09 1998-06-09 Intel Corporation Encoding image signals using a blur image
US5689588A (en) * 1996-01-03 1997-11-18 Eastman Kodak Company Method and apparatus for increasing compressibility of multibit image data with the LSB value determined in the thresholding operation based on pixel position

Also Published As

Publication number Publication date
EP0969670A1 (de) 2000-01-05
EP0969670B1 (de) 2003-02-19
US6205252B1 (en) 2001-03-20
JP2000049619A (ja) 2000-02-18
DE69905428D1 (de) 2003-03-27

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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