WO2008108372A1 - 重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム - Google Patents

重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム Download PDF

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Publication number
WO2008108372A1
WO2008108372A1 PCT/JP2008/053874 JP2008053874W WO2008108372A1 WO 2008108372 A1 WO2008108372 A1 WO 2008108372A1 JP 2008053874 W JP2008053874 W JP 2008053874W WO 2008108372 A1 WO2008108372 A1 WO 2008108372A1
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WO
WIPO (PCT)
Prior art keywords
program
weight coefficient
image encoding
prediction information
dynamic image
Prior art date
Application number
PCT/JP2008/053874
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English (en)
French (fr)
Inventor
Hirofumi Aoki
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to US12/529,864 priority Critical patent/US8238432B2/en
Priority to JP2009502590A priority patent/JPWO2008108372A1/ja
Priority to EP08721294.0A priority patent/EP2120462B1/en
Publication of WO2008108372A1 publication Critical patent/WO2008108372A1/ja

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    • 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
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Circuits (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

　重み係数計算手段（１９０３）は、フェード効果の生成原理に基づいて導かれる重み係数算出式を用い、予測対象画像と選択された参照画像のそれぞれに対応する特徴量を用いて重み係数を算出する。前記特徴量は、画像内特徴量計算手段（１９０１）によって、各々の画像に対して、画像内に閉じた特徴量として算出される。これによって、フェード画像に対して少ない演算量かつ高い精度で重み係数を求めることができる。
PCT/JP2008/053874 2007-03-05 2008-03-04 重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム WO2008108372A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/529,864 US8238432B2 (en) 2007-03-05 2008-03-04 Weighted prediction information calculation method, apparatus, and program, and video coding method, apparatus, and program
JP2009502590A JPWO2008108372A1 (ja) 2007-03-05 2008-03-04 重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム
EP08721294.0A EP2120462B1 (en) 2007-03-05 2008-03-04 Weighted prediction information calculation method, device, program, dynamic image encoding method, device, and program

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007054605 2007-03-05
JP2007-054605 2007-03-05
JP2008005636 2008-01-15
JP2008-005636 2008-01-15

Publications (1)

Publication Number Publication Date
WO2008108372A1 true WO2008108372A1 (ja) 2008-09-12

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PCT/JP2008/053874 WO2008108372A1 (ja) 2007-03-05 2008-03-04 重み付き予測情報算出方法、装置、プログラム、動画像符号化方法、装置、およびプログラム

Country Status (4)

Country Link
US (1) US8238432B2 (ja)
EP (1) EP2120462B1 (ja)
JP (1) JPWO2008108372A1 (ja)
WO (1) WO2008108372A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8385404B2 (en) 2008-09-11 2013-02-26 Google Inc. System and method for video encoding using constructed reference frame
US20120207214A1 (en) * 2011-02-11 2012-08-16 Apple Inc. Weighted prediction parameter estimation
US8638854B1 (en) 2011-04-07 2014-01-28 Google Inc. Apparatus and method for creating an alternate reference frame for video compression using maximal differences
US9154799B2 (en) 2011-04-07 2015-10-06 Google Inc. Encoding and decoding motion via image segmentation
KR20130050149A (ko) * 2011-11-07 2013-05-15 오수미 인터 모드에서의 예측 블록 생성 방법
US9729870B2 (en) * 2012-01-31 2017-08-08 Apple Inc. Video coding efficiency with camera metadata
WO2013162980A2 (en) 2012-04-23 2013-10-31 Google Inc. Managing multi-reference picture buffers for video data coding
US9609341B1 (en) 2012-04-23 2017-03-28 Google Inc. Video data encoding and decoding using reference picture lists
US9014266B1 (en) 2012-06-05 2015-04-21 Google Inc. Decimated sliding windows for multi-reference prediction in video coding
US9756331B1 (en) 2013-06-17 2017-09-05 Google Inc. Advance coded reference prediction

Citations (7)

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JP2004007379A (ja) 2002-04-10 2004-01-08 Toshiba Corp 動画像符号化方法及び動画像復号化方法
JP2005217746A (ja) 2004-01-29 2005-08-11 Kddi Corp 動き予測情報検出装置
JP2005303942A (ja) * 2004-04-16 2005-10-27 Kddi Corp 動き予測情報検出装置
JP2006054802A (ja) 2004-08-16 2006-02-23 Kddi Corp 動き予測情報検出装置
JP2006509467A (ja) * 2002-12-04 2006-03-16 トムソン ライセンシング 重み付け予測を用いたビデオ・クロス・フェードの符号器および符号化方法
JP2007054605A (ja) 2005-07-29 2007-03-08 First Facilities Co Ltd ファシリティーマットベースおよびそれを用いたファシリティーマット
JP2008005636A (ja) 2006-06-23 2008-01-10 Hitachi Ltd 電力変換装置

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JPH0970044A (ja) * 1995-08-31 1997-03-11 Sony Corp 画像信号処理装置および方法
US7266150B2 (en) * 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
EP1827027A1 (en) * 2002-01-18 2007-08-29 Kabushiki Kaisha Toshiba Video encoding method and apparatus and video decoding method and apparatus
JP4015934B2 (ja) * 2002-04-18 2007-11-28 株式会社東芝 動画像符号化方法及び装置
JP4556694B2 (ja) * 2005-02-07 2010-10-06 ソニー株式会社 符号化装置および方法、記録媒体、プログラム、並びに画像処理システム
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Publication number Priority date Publication date Assignee Title
JP2004007379A (ja) 2002-04-10 2004-01-08 Toshiba Corp 動画像符号化方法及び動画像復号化方法
JP2006509467A (ja) * 2002-12-04 2006-03-16 トムソン ライセンシング 重み付け予測を用いたビデオ・クロス・フェードの符号器および符号化方法
JP2005217746A (ja) 2004-01-29 2005-08-11 Kddi Corp 動き予測情報検出装置
JP2005303942A (ja) * 2004-04-16 2005-10-27 Kddi Corp 動き予測情報検出装置
JP2006054802A (ja) 2004-08-16 2006-02-23 Kddi Corp 動き予測情報検出装置
JP2007054605A (ja) 2005-07-29 2007-03-08 First Facilities Co Ltd ファシリティーマットベースおよびそれを用いたファシリティーマット
JP2008005636A (ja) 2006-06-23 2008-01-10 Hitachi Ltd 電力変換装置

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Also Published As

Publication number Publication date
JPWO2008108372A1 (ja) 2010-06-17
EP2120462A4 (en) 2012-12-26
EP2120462B1 (en) 2018-12-19
EP2120462A1 (en) 2009-11-18
US20100104016A1 (en) 2010-04-29
US8238432B2 (en) 2012-08-07

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