[go: up one dir, main page]

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

Info

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
Authority
WO
WIPO (PCT)
Prior art keywords
program
weight coefficient
image encoding
prediction information
dynamic image
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.)
Ceased
Application number
PCT/JP2008/053874
Other languages
English (en)
French (fr)
Inventor
Hirofumi Aoki
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP2009502590A priority Critical patent/JPWO2008108372A1/ja
Priority to EP08721294.0A priority patent/EP2120462B1/en
Priority to US12/529,864 priority patent/US8238432B2/en
Publication of WO2008108372A1 publication Critical patent/WO2008108372A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • 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

Landscapes

  • 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 Ceased WO2008108372A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
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
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

Applications Claiming Priority (4)

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

Publications (1)

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

Family

ID=39738250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053874 Ceased 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
US9609341B1 (en) 2012-04-23 2017-03-28 Google Inc. Video data encoding and decoding using reference picture lists
WO2013162980A2 (en) 2012-04-23 2013-10-31 Google Inc. Managing multi-reference picture buffers for video data coding
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)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SG152047A1 (en) * 2002-01-18 2009-05-29 Toshiba Kk 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
JP2008219100A (ja) * 2007-02-28 2008-09-18 Oki Electric Ind Co Ltd 予測画像生成装置、方法及びプログラム、並びに、画像符号化装置、方法及びプログラム

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Advanced Video Coding for Generic Audiovisual Services", AUDIOVISUAL AND MULTIMEDIA SYSTEMS H., vol. 264, March 2005 (2005-03-01), pages 157 - 159
JILL M. BOYCE: "WEIGHTED PREDICTION IN THE H.264/MPEG AVC VIDEO CODING STANDARD", ISCAS '04, PROCEEDINGS OF THE 2004 INTERNATIONAL SYMPOSIUM ON CIRCUIT AND SYSTEMS, vol. 3, 23 May 2004 (2004-05-23), pages 789 - 792

Also Published As

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

Similar Documents

Publication Publication Date Title
WO2008108372A1 (ja) 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
Khodabakhshi et al. An additive model approach for estimating returns to scale in imprecise data envelopment analysis
WO2011097060A3 (en) High dynamic range image generation and rendering
BRPI1012992A2 (pt) "método, aparelho e dispositivo para a obtenção de informação de movimento de imagens de vídeo e método de construção de gabarito"
WO2008070012A3 (en) Estimating a location of an object in an image
JP2010124513A5 (ja)
WO2006125015A3 (en) Exercise intra-repetition assessment system
WO2007035276A3 (en) Adaptive motion search range
WO2007005328A3 (en) Weather radar echo tops forecast generation
EP2428926A3 (en) Rating prediction device, rating prediction method, and program
WO2009137126A3 (en) Geospatial modeling system providing poisson-based void inpainting and related methods
EP2589257A4 (en) METHOD AND DEVICES FOR CONTROLLING THE RECEPTION OF A SENSOR
WO2013142108A8 (en) Integrated interactive segmentation with spatial constraint for digital image analysis
WO2006076484A3 (en) Periodic diffracting system for sample measurement
DK1930841T3 (da) Fremgangsmåde og måleindretning til bevægelsespræstation
WO2008156010A1 (ja) 画像処理装置、画像処理方法、及びプログラム
EP2046029A3 (en) Image processing apparatus, image processing method, and program
WO2007035538A8 (en) Extracting a moving object boundary
WO2010088190A3 (en) Deriving a function that represents data points
WO2007072286A3 (en) Method for movement compensation of image data
WO2008102296A3 (en) Method for enhancing the depth sensation of an image
EP2525325A3 (en) Image processing apparatus, image processing method, program, storage medium, and learning apparatus
TW200943933A (en) Image pickup device and image pickup method
WO2010044559A3 (ko) 동영상 부호화/복호화 장치 및 그를 위한 가변 단위의 적응적 중첩 블록 움직임 보상 장치 및 방법
Matías et al. Boosting GARCH and neural networks for the prediction of heteroskedastic time series

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08721294

Country of ref document: EP

Kind code of ref document: A1

DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2008721294

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2009502590

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12529864

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE