DE69117601D1 - Kodiergerät für ein Videosignal - Google Patents

Kodiergerät für ein Videosignal

Info

Publication number
DE69117601D1
DE69117601D1 DE69117601T DE69117601T DE69117601D1 DE 69117601 D1 DE69117601 D1 DE 69117601D1 DE 69117601 T DE69117601 T DE 69117601T DE 69117601 T DE69117601 T DE 69117601T DE 69117601 D1 DE69117601 D1 DE 69117601D1
Authority
DE
Germany
Prior art keywords
encoder
video signal
video
signal
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
DE69117601T
Other languages
English (en)
Other versions
DE69117601T2 (de
Inventor
Takeshi Yukitake
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69117601D1 publication Critical patent/DE69117601D1/de
Application granted granted Critical
Publication of DE69117601T2 publication Critical patent/DE69117601T2/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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
DE69117601T 1990-07-09 1991-06-27 Kodiergerät für ein Videosignal Expired - Fee Related DE69117601T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18082790A JP2892783B2 (ja) 1990-07-09 1990-07-09 動画像信号の符号化装置

Publications (2)

Publication Number Publication Date
DE69117601D1 true DE69117601D1 (de) 1996-04-11
DE69117601T2 DE69117601T2 (de) 1996-10-31

Family

ID=16090053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69117601T Expired - Fee Related DE69117601T2 (de) 1990-07-09 1991-06-27 Kodiergerät für ein Videosignal

Country Status (4)

Country Link
US (1) US5227877A (de)
EP (1) EP0466366B1 (de)
JP (1) JP2892783B2 (de)
DE (1) DE69117601T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581341B2 (ja) * 1991-04-26 1997-02-12 日本ビクター株式会社 高能率符号化装置及び復号化装置
US5351083A (en) * 1991-10-17 1994-09-27 Sony Corporation Picture encoding and/or decoding system
KR0121162B1 (ko) * 1992-05-20 1997-11-18 구자홍 디지탈 티브이의 영상움직임 보상장치
JPH0622301A (ja) * 1992-06-30 1994-01-28 Sony Corp 画像符号化装置
JPH06209466A (ja) * 1992-10-07 1994-07-26 Canon Inc 動ベクトル検出装置
FR2721787B1 (fr) * 1994-06-22 1996-07-26 Thomson Consumer Electronics Procédé de quantification des coefficients.
JP3431331B2 (ja) * 1995-03-01 2003-07-28 株式会社日立製作所 動画像符号化装置及び動画像伝送装置並びにテレビ会議装置
US5926209A (en) * 1995-07-14 1999-07-20 Sensormatic Electronics Corporation Video camera apparatus with compression system responsive to video camera adjustment
US6535251B1 (en) * 1999-10-26 2003-03-18 Sharplabs Of America, Inc. Video encoder and method for adjusting quantization step in real time
JP2007288614A (ja) * 2006-04-18 2007-11-01 Monolith Co Ltd 画像圧縮方法、画像圧縮装置、および動画符号化方法
JP5184447B2 (ja) * 2009-06-22 2013-04-17 株式会社Ｋｄｄｉ研究所 動画像符号化装置および復号装置
US8804816B2 (en) 2011-08-30 2014-08-12 Microsoft Corporation Video encoding enhancements
CN108377391B (zh) * 2013-05-08 2019-05-31 雅居乐雅生活服务股份有限公司 一种以值域中值对称的变换域系数量化装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125861A (en) * 1977-08-18 1978-11-14 Bell Telephone Laboratories, Incorporated Video signal encoding
JPS5932766B2 (ja) * 1980-09-25 1984-08-10 富士通株式会社 光コネクタの位置出し構造
DE3331426A1 (de) * 1983-08-31 1985-03-14 Siemens AG, 1000 Berlin und 8000 München Anordnung zur zweidimensionalen dpcm-codierung
DE3511660A1 (de) * 1985-03-29 1986-10-02 Siemens AG, 1000 Berlin und 8000 München Verfahren zur verbesserung der bildqualitaet bei dpcm-codierten bildsignalen
JPS62166681A (ja) * 1986-01-18 1987-07-23 Sony Corp 予測符号化装置
JPH082106B2 (ja) * 1986-11-10 1996-01-10 国際電信電話株式会社 動画像信号のハイブリツド符号化方式
US4847866A (en) * 1988-02-01 1989-07-11 Eastman Kodak Company Differential pulse code modulation scheme incorporating a reconstructed value constrainer
US4821119A (en) * 1988-05-04 1989-04-11 Bell Communications Research, Inc. Method and apparatus for low bit-rate interframe video coding
JPH02241285A (ja) * 1989-03-15 1990-09-25 Matsushita Electric Ind Co Ltd 動画像信号の高能率符号化装置
JPH0828875B2 (ja) * 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
US5038209A (en) * 1990-09-27 1991-08-06 At&T Bell Laboratories Adaptive buffer/quantizer control for transform video coders

Also Published As

Publication number Publication date
JPH0468988A (ja) 1992-03-04
US5227877A (en) 1993-07-13
EP0466366A1 (de) 1992-01-15
JP2892783B2 (ja) 1999-05-17
EP0466366B1 (de) 1996-03-06
DE69117601T2 (de) 1996-10-31

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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