BRPI0906760A2 - Método e aparelho para precisão de controle de taxa em codificação de vídeo - Google Patents

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

Info

Publication number
BRPI0906760A2
BRPI0906760A2 BRPI0906760-4A BRPI0906760A BRPI0906760A2 BR PI0906760 A2 BRPI0906760 A2 BR PI0906760A2 BR PI0906760 A BRPI0906760 A BR PI0906760A BR PI0906760 A2 BRPI0906760 A2 BR PI0906760A2
Authority
BR
Brazil
Prior art keywords
rate control
video encoding
control accuracy
encoding rate
accuracy method
Prior art date
Application number
BRPI0906760-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Yali Liu
Xiaoan Lu
Cristina Gomila
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40459710&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0906760(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0906760A2 publication Critical patent/BRPI0906760A2/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
    • H04N19/192—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • 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)
  • 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)
BRPI0906760-4A 2008-01-17 2009-01-15 Método e aparelho para precisão de controle de taxa em codificação de vídeo BRPI0906760A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2168708P 2008-01-17 2008-01-17
PCT/US2009/000225 WO2009091548A1 (en) 2008-01-17 2009-01-15 Method and apparatus for rate control accuracy in video encoding

Publications (1)

Publication Number Publication Date
BRPI0906760A2 true BRPI0906760A2 (pt) 2015-07-07

Family

ID=40459710

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0906760-4A BRPI0906760A2 (pt) 2008-01-17 2009-01-15 Método e aparelho para precisão de controle de taxa em codificação de vídeo

Country Status (7)

Country Link
US (1) US9516328B2 (enExample)
EP (1) EP2232879B1 (enExample)
JP (1) JP5770476B2 (enExample)
KR (1) KR101603747B1 (enExample)
CN (1) CN101971635B (enExample)
BR (1) BRPI0906760A2 (enExample)
WO (1) WO2009091548A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8848788B2 (en) 2009-05-16 2014-09-30 Thomson Licensing Method and apparatus for joint quantization parameter adjustment
US9756468B2 (en) 2009-07-08 2017-09-05 Dejero Labs Inc. System and method for providing data services on vehicles
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
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
US10165286B2 (en) * 2009-07-08 2018-12-25 Dejero Labs Inc. System and method for automatic encoder adjustment based on transport data
US9087260B1 (en) * 2012-01-03 2015-07-21 Google Inc. Hierarchical randomized quantization of multi-dimensional features
US10136133B2 (en) 2014-11-11 2018-11-20 Dolby Laboratories Licensing Corporation Rate control adaptation for high-dynamic range images
KR102390162B1 (ko) 2015-10-16 2022-04-22 삼성전자주식회사 데이터 인코딩 장치 및 데이터 인코딩 방법
US10931950B2 (en) * 2018-11-19 2021-02-23 Intel Corporation Content adaptive quantization for video coding
WO2020156515A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Refined quantization steps in video coding

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Publication number Priority date Publication date Assignee Title
US6668088B1 (en) 1997-02-25 2003-12-23 British Broadcasting Corporation Digital signal compression encoding with improved quantisation
GB2352906B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Video data compression
GB2352905B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Data compression
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
JP2002152734A (ja) * 2000-11-10 2002-05-24 Matsushita Electric Ind Co Ltd 画像符号化方法
WO2005004335A2 (en) * 2003-06-25 2005-01-13 Georgia Tech Research Corporation Cauchy-distribution based coding system and method
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
US20060098733A1 (en) * 2004-11-08 2006-05-11 Kabushiki Kaisha Toshiba Variable-length coding device and method of the same
JP2006157881A (ja) * 2004-11-08 2006-06-15 Toshiba Corp 可変長符号化装置及びその方法
EP1727371A1 (en) * 2005-05-27 2006-11-29 Thomson Licensing Method for controlling the encoder output bit rate in a block-based video encoder, and corresponding video encoder apparatus
US20070025441A1 (en) * 2005-07-28 2007-02-01 Nokia Corporation Method, module, device and system for rate control provision for video encoders capable of variable bit rate encoding
CN100469147C (zh) * 2006-07-28 2009-03-11 大唐微电子技术有限公司 一种小波编码的码率控制方法
CN100553335C (zh) * 2007-07-23 2009-10-21 武汉大学 一种视频转码中宏块级码率控制方法
CN101816181A (zh) 2007-10-05 2010-08-25 汤姆逊许可公司 用于视频编解码中速率控制精度的方法和装置

Also Published As

Publication number Publication date
JP5770476B2 (ja) 2015-08-26
EP2232879B1 (en) 2019-04-24
CN101971635B (zh) 2013-10-30
EP2232879A1 (en) 2010-09-29
WO2009091548A1 (en) 2009-07-23
JP2011510563A (ja) 2011-03-31
US20110051807A1 (en) 2011-03-03
KR20100101665A (ko) 2010-09-17
KR101603747B1 (ko) 2016-03-15
US9516328B2 (en) 2016-12-06
CN101971635A (zh) 2011-02-09

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Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

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Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

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