DE69121855D1 - Dct kompression, übertragung und rückgewinnung von digitalen farben mittels virtuellem filtrationsmechanismus - Google Patents

Dct kompression, übertragung und rückgewinnung von digitalen farben mittels virtuellem filtrationsmechanismus

Info

Publication number
DE69121855D1
DE69121855D1 DE69121855T DE69121855T DE69121855D1 DE 69121855 D1 DE69121855 D1 DE 69121855D1 DE 69121855 T DE69121855 T DE 69121855T DE 69121855 T DE69121855 T DE 69121855T DE 69121855 D1 DE69121855 D1 DE 69121855D1
Authority
DE
Germany
Prior art keywords
recovery
transmission
filtration mechanism
dct compression
virtual
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
DE69121855T
Other languages
English (en)
Other versions
DE69121855T2 (de
Inventor
Scott Daly
Edward Granger
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE69121855D1 publication Critical patent/DE69121855D1/de
Publication of DE69121855T2 publication Critical patent/DE69121855T2/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
    • 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
    • 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
    • H04N19/60—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
    • H04N19/10—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
DE69121855T 1990-06-29 1991-06-24 Dct kompression, übertragung und rückgewinnung von digitalen farben mittels virtuellem filtrationsmechanismus Expired - Fee Related DE69121855T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/546,593 US5079621A (en) 1990-06-29 1990-06-29 Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism
PCT/US1991/004486 WO1992000652A1 (en) 1990-06-29 1991-06-24 Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism

Publications (2)

Publication Number Publication Date
DE69121855D1 true DE69121855D1 (de) 1996-10-10
DE69121855T2 DE69121855T2 (de) 1997-04-03

Family

ID=24181119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121855T Expired - Fee Related DE69121855T2 (de) 1990-06-29 1991-06-24 Dct kompression, übertragung und rückgewinnung von digitalen farben mittels virtuellem filtrationsmechanismus

Country Status (5)

Country Link
US (1) US5079621A (de)
EP (1) EP0489905B1 (de)
JP (1) JPH05501792A (de)
DE (1) DE69121855T2 (de)
WO (1) WO1992000652A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453786A (en) * 1990-07-30 1995-09-26 Mpr Teltech Ltd. Method and apparatus for image data processing
EP0469835B1 (de) * 1990-07-31 1998-09-30 Canon Kabushiki Kaisha Verfahren und Gerät zur Bildverarbeitung
US6915014B1 (en) 1990-07-31 2005-07-05 Canon Kabushiki Kaisha Image processing apparatus and method
JP3012698B2 (ja) * 1991-01-29 2000-02-28 オリンパス光学工業株式会社 画像データの符号化装置および符号化方法
FR2674710B1 (fr) * 1991-03-27 1994-11-04 France Telecom Procede et systeme de traitement des preechos d'un signal audio-numerique code par transformee frequentielle.
JPH05167863A (ja) * 1991-04-15 1993-07-02 Canon Inc 画像処理方法及び装置
US5394483A (en) * 1992-06-30 1995-02-28 Eastman Kodak Co Method and apparatus for determining visually perceptible differences between images
US5294974A (en) * 1992-07-24 1994-03-15 Matsushita Electric Corporation Of America High-definition video encoding system having color-sensitive quantization
CA2094523C (en) * 1992-07-30 1999-05-25 Ephraim Feig Digital image processor for color image transmission
US5325125A (en) * 1992-09-24 1994-06-28 Matsushita Electric Corporation Of America Intra-frame filter for video compression systems
IL103763A (en) * 1992-11-16 1999-03-12 Technion Res & Dev Foundation Device and method for enhancing colored figures
US5583656A (en) * 1992-12-31 1996-12-10 Eastman Kodak Company Methods and apparatus for attaching compressed look-up table (LUT) representations of N to M-dimensional transforms to image data and for processing image data utilizing the attached compressed LUTs
JP3640405B2 (ja) * 1993-09-07 2005-04-20 ソニー株式会社 画像情報符号化装置および復号装置
US5748770A (en) * 1993-11-30 1998-05-05 Polaroid Corporation System and method for color recovery using discrete cosine transforms
JP3058028B2 (ja) * 1994-10-31 2000-07-04 三菱電機株式会社 画像符号化データ再符号化装置
US5706216A (en) * 1995-07-28 1998-01-06 Reisch; Michael L. System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain
KR100387229B1 (ko) * 1995-11-01 2003-08-21 삼성전자주식회사 영상부호화장치
KR100297830B1 (ko) * 1996-11-09 2001-08-07 윤종용 영상단위별 비트발생량 조절 장치 및 방법
SE512832C2 (sv) * 1997-09-08 2000-05-22 Limt Technology Ab Anordning och förfarande för bearbetning av en bildsignal
WO2000018111A1 (en) * 1998-09-18 2000-03-30 Sarnoff Corporation Efficient compression engine for digital image data
US6356668B1 (en) 1998-12-29 2002-03-12 Eastman Kodak Company Method for efficient rate control
KR100390115B1 (ko) * 1999-04-12 2003-07-04 마츠시타 덴끼 산교 가부시키가이샤 화상 처리 방법, 화상 처리 장치 및 데이터 기억 매체
US6658162B1 (en) * 1999-06-26 2003-12-02 Sharp Laboratories Of America Image coding method using visual optimization
US6735254B2 (en) * 2001-06-29 2004-05-11 Qualcomm, Inc. DCT compression using Golomb-Rice coding
US7899263B2 (en) * 2006-01-10 2011-03-01 Texas Instruments Incorporated Method and apparatus for processing analytical-form compression noise in images with known statistics
JP4992117B2 (ja) * 2008-03-24 2012-08-08 株式会社メガチップス 画像処理装置
KR20210113464A (ko) * 2020-03-05 2021-09-16 삼성전자주식회사 이미징 장치 및 이를 포함하는 전자 기기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146345A (en) * 1981-03-04 1982-09-09 Toshiba Corp 3n-th degree orthogonal transformation and inverse transformation system
US4375650A (en) * 1981-04-29 1983-03-01 General Electric Company System for processing video signals
US4774574A (en) * 1987-06-02 1988-09-27 Eastman Kodak Company Adaptive block transform image coding method and apparatus
US4780761A (en) * 1987-06-02 1988-10-25 Eastman Kodak Company Digital image compression and transmission system visually weighted transform coefficients
US4941043A (en) * 1988-06-14 1990-07-10 Siemens Aktiengesellschaft Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate

Also Published As

Publication number Publication date
WO1992000652A1 (en) 1992-01-09
DE69121855T2 (de) 1997-04-03
EP0489905B1 (de) 1996-09-04
US5079621A (en) 1992-01-07
EP0489905A1 (de) 1992-06-17
JPH05501792A (ja) 1993-04-02

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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