BRPI0817655A2 - Método e aparelho para precisão de controle de taxa em codificação e decodificação de vídeo - Google Patents

Método e aparelho para precisão de controle de taxa em codificação e decodificação de vídeo

Info

Publication number
BRPI0817655A2
BRPI0817655A2 BRPI0817655-8A BRPI0817655A BRPI0817655A2 BR PI0817655 A2 BRPI0817655 A2 BR PI0817655A2 BR PI0817655 A BRPI0817655 A BR PI0817655A BR PI0817655 A2 BRPI0817655 A2 BR PI0817655A2
Authority
BR
Brazil
Prior art keywords
rate control
video encoding
control accuracy
decoding rate
accuracy method
Prior art date
Application number
BRPI0817655-8A
Other languages
English (en)
Inventor
Yali Liu
Xiaoan Lu
Cristina Gomila
Qian Xu
Original Assignee
Thomson Licensing
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 Licensing filed Critical Thomson Licensing
Publication of BRPI0817655A2 publication Critical patent/BRPI0817655A2/pt

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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • H04N19/134—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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0817655-8A 2007-10-05 2008-09-15 Método e aparelho para precisão de controle de taxa em codificação e decodificação de vídeo BRPI0817655A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97792607P 2007-10-05 2007-10-05
PCT/US2008/010733 WO2009048501A2 (en) 2007-10-05 2008-09-15 Method and apparatus for rate control accuracy in video encoding and decoding

Publications (1)

Publication Number Publication Date
BRPI0817655A2 true BRPI0817655A2 (pt) 2015-03-31

Family

ID=40469853

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0817655-8A BRPI0817655A2 (pt) 2007-10-05 2008-09-15 Método e aparelho para precisão de controle de taxa em codificação e decodificação de vídeo

Country Status (7)

Country Link
US (1) US9979972B2 (pt)
EP (1) EP2206348B1 (pt)
JP (1) JP5411144B2 (pt)
KR (1) KR101599561B1 (pt)
CN (2) CN101816181A (pt)
BR (1) BRPI0817655A2 (pt)
WO (1) WO2009048501A2 (pt)

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US9516328B2 (en) 2008-01-17 2016-12-06 Thomson Licensing Method and apparatus for rate control accuracy in video encoding
EP2430836B1 (en) 2009-05-16 2016-08-17 Thomson Licensing Methods and apparatus for improved quantization rounding offset adjustment for video encoding
US8848788B2 (en) * 2009-05-16 2014-09-30 Thomson Licensing Method and apparatus for joint quantization parameter adjustment
US10165286B2 (en) 2009-07-08 2018-12-25 Dejero Labs Inc. System and method for automatic encoder adjustment based on transport data
US10117055B2 (en) 2009-07-08 2018-10-30 Dejero Labs Inc. System and method for providing data services on vehicles
US10033779B2 (en) 2009-07-08 2018-07-24 Dejero Labs Inc. Multipath data streaming over multiple wireless networks
US9756468B2 (en) 2009-07-08 2017-09-05 Dejero Labs Inc. System and method for providing data services on vehicles
US8942215B2 (en) 2010-07-15 2015-01-27 Dejero Labs Inc. System and method for transmission of data from a wireless mobile device over a multipath wireless router
US8681858B2 (en) * 2009-12-23 2014-03-25 General Instrument Corporation Rate control for two-pass encoder
KR102390162B1 (ko) 2015-10-16 2022-04-22 삼성전자주식회사 데이터 인코딩 장치 및 데이터 인코딩 방법
CN109660825B (zh) * 2017-10-10 2021-02-09 腾讯科技（深圳）有限公司 视频转码方法、装置、计算机设备及存储介质
US11979449B2 (en) * 2021-10-07 2024-05-07 Google Llc QP range specification for external video rate control

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US6141447A (en) * 1996-11-21 2000-10-31 C-Cube Microsystems, Inc. Compressed video transcoder
JPH10174103A (ja) * 1996-12-13 1998-06-26 Matsushita Electric Ind Co Ltd 画像符号化装置、符号化画像記録媒体、画像復号化装置、画像符号化方法、および符号化画像伝送方法
JPH10243399A (ja) * 1997-02-25 1998-09-11 Sharp Corp 符号量制御装置及び該符号量制御装置を含む動画像符号化装置
US6738423B1 (en) * 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
US20040120398A1 (en) * 2002-12-19 2004-06-24 Ximin Zhang System and method for adaptive field and frame video encoding using rate-distortion characteristics
US7346106B1 (en) * 2003-12-30 2008-03-18 Apple Inc. Robust multi-pass variable bit rate encoding
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
JP2006067302A (ja) 2004-08-27 2006-03-09 Toshiba Corp 画像符号化装置、画像符号化方法および画像符号化プログラム
JP4529615B2 (ja) 2004-09-24 2010-08-25 ソニー株式会社 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
JP2006157881A (ja) * 2004-11-08 2006-06-15 Toshiba Corp 可変長符号化装置及びその方法
US20060098733A1 (en) * 2004-11-08 2006-05-11 Kabushiki Kaisha Toshiba Variable-length coding device and method of the same
CN100405848C (zh) * 2005-09-16 2008-07-23 宁波大学 一种用于视频图像编码过程中的量化方法
US7889790B2 (en) * 2005-12-20 2011-02-15 Sharp Laboratories Of America, Inc. Method and apparatus for dynamically adjusting quantization offset values
EP1830573A1 (en) * 2006-03-02 2007-09-05 Thomson Licensing Method and apparatus for determining in picture signal encoding the bit allocation for groups of pixel blocks in a picture
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Also Published As

Publication number Publication date
EP2206348A2 (en) 2010-07-14
CN101816181A (zh) 2010-08-25
US9979972B2 (en) 2018-05-22
WO2009048501A3 (en) 2009-06-18
US20100232498A1 (en) 2010-09-16
JP5411144B2 (ja) 2014-02-12
JP2010541469A (ja) 2010-12-24
WO2009048501A2 (en) 2009-04-16
KR101599561B1 (ko) 2016-03-03
KR20100058679A (ko) 2010-06-03
CN105898312A (zh) 2016-08-24
EP2206348B1 (en) 2016-08-17

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 19/196 (2014.01), H04N 19/126 (2014.01), H04N

B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time