DE69213271D1 - Kodierung von Videosignalen - Google Patents

Kodierung von Videosignalen

Info

Publication number
DE69213271D1
DE69213271D1 DE69213271T DE69213271T DE69213271D1 DE 69213271 D1 DE69213271 D1 DE 69213271D1 DE 69213271 T DE69213271 T DE 69213271T DE 69213271 T DE69213271 T DE 69213271T DE 69213271 D1 DE69213271 D1 DE 69213271D1
Authority
DE
Germany
Prior art keywords
encoding
video signals
video
signals
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
DE69213271T
Other languages
English (en)
Other versions
DE69213271T2 (de
Inventor
Yasushi Fujinami
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69213271D1 publication Critical patent/DE69213271D1/de
Application granted granted Critical
Publication of DE69213271T2 publication Critical patent/DE69213271T2/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
    • H04N19/90—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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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
    • 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
    • H04N19/10—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)
  • Image Processing (AREA)
  • Color Television Systems (AREA)
DE69213271T 1991-02-08 1992-02-07 Kodierung von Videosignalen Expired - Lifetime DE69213271T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03934991A JP3187852B2 (ja) 1991-02-08 1991-02-08 高能率符号化方法

Publications (2)

Publication Number Publication Date
DE69213271D1 true DE69213271D1 (de) 1996-10-10
DE69213271T2 DE69213271T2 (de) 1997-01-30

Family

ID=12550604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213271T Expired - Lifetime DE69213271T2 (de) 1991-02-08 1992-02-07 Kodierung von Videosignalen

Country Status (5)

Country Link
US (1) US5317396A (de)
EP (1) EP0498656B1 (de)
JP (1) JP3187852B2 (de)
KR (1) KR920017479A (de)
DE (1) DE69213271T2 (de)

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* Cited by examiner, † Cited by third party
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US5144424A (en) * 1991-10-15 1992-09-01 Thomson Consumer Electronics, Inc. Apparatus for video data quantization control
US5477397A (en) * 1993-02-23 1995-12-19 Matsushita Electric Corporation Of America Digital high definition television receiver with features that facilitate trick-play modes on a digital VCR
FR2707070B1 (de) * 1993-06-22 1995-09-08 Centre Nat Etd Spatiales
US6674897B1 (en) * 1993-09-08 2004-01-06 Sony Corporation Picture data compression device and red data detection device
JP3629728B2 (ja) * 1994-08-31 2005-03-16 ソニー株式会社 動画像信号符号化方法、動画像信号符号化装置及び動画像信号記録媒体
KR100407085B1 (ko) * 1994-12-28 2004-03-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 가변비트-레이트압축방법및비디오신호인코딩장치
DE19521992A1 (de) * 1995-06-20 1997-01-02 Bosch Gmbh Robert Verfahren zur Erzeugung eines Stroms von Bilddaten für die Übertragung eines Bildes und Verfahren zur Auswertung eines Stroms von Bilddaten
US6348945B1 (en) 1996-09-06 2002-02-19 Sony Corporation Method and device for encoding data
DE69735307T2 (de) * 1996-12-12 2006-11-02 Sony Corp. Vorrichtung und verfahren zur kodierung von bilddaten sowie verfahren zur bilddatenübertragung
US6243417B1 (en) 1996-12-12 2001-06-05 Sony Corporation Device and method for encoding image data, and image data transmission method
GB9706394D0 (en) * 1997-03-27 1997-05-14 Nds Ltd Improvements in or relating to compressing a digital signal
JP3978810B2 (ja) * 1997-05-28 2007-09-19 ソニー株式会社 符号化方法およびこれを使用した符号化装置
KR100287146B1 (ko) * 1997-12-29 2001-04-16 윤종용 영상신호의 압축 부호화방법 및 그 부호화기
KR100374604B1 (ko) * 2000-05-31 2003-03-04 삼성전자주식회사 영상의 패턴 반복 기술 방법 및 그 영상 응집화 방법
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
JP4100317B2 (ja) 2003-09-30 2008-06-11 日本電気株式会社 画像符号化装置およびその量子化制御方法
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8503536B2 (en) * 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US7974340B2 (en) * 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
JP2009027664A (ja) * 2007-07-24 2009-02-05 Fuji Xerox Co Ltd 画像処理装置及びプログラム
US8189933B2 (en) * 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
JPWO2014054325A1 (ja) 2012-10-05 2016-08-25 ソニー株式会社 符号化制御装置および符号化制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651113Y2 (de) * 1980-10-15 1981-11-30
JPS5814688A (ja) * 1981-07-20 1983-01-27 Nippon Telegr & Teleph Corp <Ntt> フレ−ム内予測符号化装置
US4541012A (en) * 1982-01-04 1985-09-10 Compression Labs, Inc. Video bandwidth reduction system employing interframe block differencing and transform domain coding
JP2604712B2 (ja) * 1985-10-18 1997-04-30 ソニー株式会社 テレビジヨン信号の高能率符号化／復号装置
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
GB8708010D0 (en) * 1987-04-03 1987-05-07 Crosfield Electronics Ltd Image reprocessing
JPS63296583A (ja) * 1987-05-28 1988-12-02 Fujitsu Ltd 画像符号化方式
JPH0198292U (de) * 1987-12-18 1989-06-30
DE3923449A1 (de) * 1989-07-15 1991-01-24 Philips Patentverwaltung Verfahren zum bestimmen von kanten in bildern
EP0789494B1 (de) * 1989-12-25 2002-04-10 Mitsubishi Denki Kabushiki Kaisha Kodierungsgerät

Also Published As

Publication number Publication date
EP0498656B1 (de) 1996-09-04
KR920017479A (ko) 1992-09-26
US5317396A (en) 1994-05-31
JP3187852B2 (ja) 2001-07-16
DE69213271T2 (de) 1997-01-30
JPH04257185A (ja) 1992-09-11
EP0498656A1 (de) 1992-08-12

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