DE69521966D1 - Einrichtung zur Kodierung eines Videosignales bei Anwesenheit eines Leuchtdichtegradienten - Google Patents

Einrichtung zur Kodierung eines Videosignales bei Anwesenheit eines Leuchtdichtegradienten

Info

Publication number
DE69521966D1
DE69521966D1 DE69521966T DE69521966T DE69521966D1 DE 69521966 D1 DE69521966 D1 DE 69521966D1 DE 69521966 T DE69521966 T DE 69521966T DE 69521966 T DE69521966 T DE 69521966T DE 69521966 D1 DE69521966 D1 DE 69521966D1
Authority
DE
Germany
Prior art keywords
coding
video signal
luminance gradient
luminance
gradient
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
DE69521966T
Other languages
English (en)
Other versions
DE69521966T2 (de
Inventor
Peter Paul Polit
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69521966D1 publication Critical patent/DE69521966D1/de
Application granted granted Critical
Publication of DE69521966T2 publication Critical patent/DE69521966T2/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/147—Scene change detection
DE69521966T 1994-10-26 1995-10-24 Einrichtung zur Kodierung eines Videosignales bei Anwesenheit eines Leuchtdichtegradienten Expired - Lifetime DE69521966T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/329,553 US5561477A (en) 1994-10-26 1994-10-26 System for coding a video signal in the presence of an image intensity gradient

Publications (2)

Publication Number Publication Date
DE69521966D1 true DE69521966D1 (de) 2001-09-06
DE69521966T2 DE69521966T2 (de) 2002-05-29

Family

ID=23285946

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521966T Expired - Lifetime DE69521966T2 (de) 1994-10-26 1995-10-24 Einrichtung zur Kodierung eines Videosignales bei Anwesenheit eines Leuchtdichtegradienten

Country Status (7)

Country Link
US (1) US5561477A (de)
EP (1) EP0710031B1 (de)
JP (1) JP3933718B2 (de)
KR (1) KR100361721B1 (de)
CN (1) CN1098599C (de)
DE (1) DE69521966T2 (de)
ES (1) ES2159593T3 (de)

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FR2759524B1 (fr) * 1997-02-10 1999-05-14 Thomson Multimedia Sa Procede et dispositif de codage par estimation de luminance
US6014183A (en) * 1997-08-06 2000-01-11 Imagine Products, Inc. Method and apparatus for detecting scene changes in a digital video stream
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JP3957915B2 (ja) 1999-03-08 2007-08-15 パイオニア株式会社 フェード検出装置及び情報符号化装置
CN1204752C (zh) * 2000-04-14 2005-06-01 西门子公司 存储和处理时间上顺序排列图象的图象信息的方法和装置
US8107539B2 (en) * 2002-07-15 2012-01-31 Nokia Corporation Method for error concealment in video sequences
JP2004179687A (ja) * 2002-11-22 2004-06-24 Toshiba Corp 動画像符号化／復号化方法及び装置
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US7889792B2 (en) * 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
US7986731B2 (en) * 2004-02-06 2011-07-26 Apple Inc. H.264/AVC coder incorporating rate and quality controller
US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
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US7519229B2 (en) * 2004-03-30 2009-04-14 Apple, Inc. Video coding system providing separate coding chains for dynamically selected small-size or full-size playback
US20050286629A1 (en) * 2004-06-25 2005-12-29 Adriana Dumitras Coding of scene cuts in video sequences using non-reference frames
FR2887731A1 (fr) * 2005-06-23 2006-12-29 Nextream France Sa Methode et dispositif de detection de fondus dans une sequence d'images
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US8582656B2 (en) 2007-04-13 2013-11-12 Apple Inc. Method and system for video encoding and decoding
US8593572B2 (en) * 2008-01-30 2013-11-26 Csr Technology Inc. Video signal motion detection
US8111929B2 (en) * 2008-02-29 2012-02-07 Interra Systems Inc. Method and system to detect and quantify blockiness in video files
US8325796B2 (en) * 2008-09-11 2012-12-04 Google Inc. System and method for video coding using adaptive segmentation
US8311111B2 (en) * 2008-09-11 2012-11-13 Google Inc. System and method for decoding using parallel processing
US8326075B2 (en) 2008-09-11 2012-12-04 Google Inc. System and method for video encoding using adaptive loop filter
US8781004B1 (en) 2011-04-07 2014-07-15 Google Inc. System and method for encoding video using variable loop filter
US8780996B2 (en) 2011-04-07 2014-07-15 Google, Inc. System and method for encoding and decoding video data
US8780971B1 (en) 2011-04-07 2014-07-15 Google, Inc. System and method of encoding using selectable loop filters
US9154799B2 (en) 2011-04-07 2015-10-06 Google Inc. Encoding and decoding motion via image segmentation
US8885706B2 (en) 2011-09-16 2014-11-11 Google Inc. Apparatus and methodology for a video codec system with noise reduction capability
US9100657B1 (en) 2011-12-07 2015-08-04 Google Inc. Encoding time management in parallel real-time video encoding
US9262670B2 (en) 2012-02-10 2016-02-16 Google Inc. Adaptive region of interest
US9131073B1 (en) 2012-03-02 2015-09-08 Google Inc. Motion estimation aided noise reduction
US9344729B1 (en) 2012-07-11 2016-05-17 Google Inc. Selective prediction signal filtering
US11425395B2 (en) 2013-08-20 2022-08-23 Google Llc Encoding and decoding using tiling
US9392272B1 (en) 2014-06-02 2016-07-12 Google Inc. Video coding using adaptive source variance based partitioning
US9578324B1 (en) 2014-06-27 2017-02-21 Google Inc. Video coding using statistical-based spatially differentiated partitioning
US10102613B2 (en) 2014-09-25 2018-10-16 Google Llc Frequency-domain denoising
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US10542258B2 (en) 2016-01-25 2020-01-21 Google Llc Tile copying for video compression

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US5262855A (en) * 1992-03-25 1993-11-16 Intel Corporation Method and apparatus for encoding selected images at lower resolution
JP2611607B2 (ja) * 1992-06-29 1997-05-21 日本ビクター株式会社 シーンチェンジ検出装置
JP3093494B2 (ja) * 1992-11-18 2000-10-03 株式会社東芝 多様性信号処理装置
JP2591441B2 (ja) * 1993-09-28 1997-03-19 日本電気株式会社 動画像信号の動ベクトル検出装置

Also Published As

Publication number Publication date
CN1137724A (zh) 1996-12-11
CN1098599C (zh) 2003-01-08
EP0710031B1 (de) 2001-08-01
KR960016580A (ko) 1996-05-22
EP0710031A2 (de) 1996-05-01
US5561477A (en) 1996-10-01
EP0710031A3 (de) 1999-01-20
ES2159593T3 (es) 2001-10-16
JPH08228356A (ja) 1996-09-03
JP3933718B2 (ja) 2007-06-20
DE69521966T2 (de) 2002-05-29
KR100361721B1 (ko) 2003-02-05

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