AR093236A1 - Codificacion de video con comportamiento de imagen de punto de acceso aleatorio mejorados - Google Patents

Codificacion de video con comportamiento de imagen de punto de acceso aleatorio mejorados

Info

Publication number
AR093236A1
AR093236A1 ARP130103379A ARP130103379A AR093236A1 AR 093236 A1 AR093236 A1 AR 093236A1 AR P130103379 A ARP130103379 A AR P130103379A AR P130103379 A ARP130103379 A AR P130103379A AR 093236 A1 AR093236 A1 AR 093236A1
Authority
AR
Argentina
Prior art keywords
images
cpb
random access
cra
bla
Prior art date
Application number
ARP130103379A
Other languages
English (en)
Inventor
Wang Ye
Kui
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AR093236A1 publication Critical patent/AR093236A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods 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
    • H04N19/196Methods 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
    • H04N19/197Methods 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 determination of the initial value of an encoding parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods 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
    • H04N19/196Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Técnicas para la selección de parámetros de búfer de imagen codificada (CPB, por sus siglas en inglés) que se utilizan para definir un CPB para un dispositivo de codificación de video para imágenes de acceso aleatorio limpio (CRA, por sus siglas en inglés) e imágenes de acceso de enlace roto (BLA, por sus siglas en inglés) en una corriente de bits de video. Un dispositivo de codificación de video recibe una corriente de bits que incluye una o más imágenes de CRA o imágenes de BLA, y también recibe un mensaje que indica si utilizar o no un conjunto alternativo de parámetros CPB para por lo menos una de las imágenes de CRA o imágenes de BLA. El mensaje se puede recibir desde un medio externo, tal como un medio de procesamiento incluido en un servidor streaming o una entidad de red. El dispositivo de codificación de video ajusta una variable definida para indicar el conjunto de parámetros CPB para una dada de las imágenes con base en el mensaje recibido, y selecciona el conjunto de parámetros CPB para la dada de las imágenes con base en la variable para la imagen.
ARP130103379A 2012-09-20 2013-09-19 Codificacion de video con comportamiento de imagen de punto de acceso aleatorio mejorados AR093236A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261703695P 2012-09-20 2012-09-20
US13/952,340 US9374583B2 (en) 2012-09-20 2013-07-26 Video coding with improved random access point picture behaviors

Publications (1)

Publication Number Publication Date
AR093236A1 true AR093236A1 (es) 2015-05-27

Family

ID=50274437

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP130103379A AR093236A1 (es) 2012-09-20 2013-09-19 Codificacion de video con comportamiento de imagen de punto de acceso aleatorio mejorados

Country Status (24)

Country Link
US (1) US9374583B2 (es)
EP (1) EP2898677B1 (es)
JP (1) JP6271558B2 (es)
KR (1) KR101721344B1 (es)
CN (1) CN104641637B (es)
AR (1) AR093236A1 (es)
AU (1) AU2013318467B2 (es)
BR (1) BR112015006059B1 (es)
CA (1) CA2883439C (es)
DK (1) DK2898677T3 (es)
ES (1) ES2684546T3 (es)
HK (1) HK1205841A1 (es)
HU (1) HUE039076T2 (es)
IL (1) IL237365B (es)
MY (1) MY181728A (es)
PH (1) PH12015500517A1 (es)
PT (1) PT2898677T (es)
RU (1) RU2624100C2 (es)
SG (1) SG11201501407TA (es)
SI (1) SI2898677T1 (es)
TW (1) TWI559774B (es)
UA (1) UA117462C2 (es)
WO (1) WO2014046850A1 (es)
ZA (1) ZA201502302B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104185992A (zh) * 2012-02-08 2014-12-03 汤姆逊许可公司 用于使用假设参考解码器的超低延迟模式的方法和装置
US9351016B2 (en) 2012-04-13 2016-05-24 Sharp Kabushiki Kaisha Devices for identifying a leading picture
US20140003520A1 (en) * 2012-07-02 2014-01-02 Cisco Technology, Inc. Differentiating Decodable and Non-Decodable Pictures After RAP Pictures
US9374585B2 (en) * 2012-12-19 2016-06-21 Qualcomm Incorporated Low-delay buffering model in video coding
US10264272B2 (en) * 2013-10-15 2019-04-16 Qualcomm Incorporated Device and method for scalable coding of video information
US10547834B2 (en) * 2014-01-08 2020-01-28 Qualcomm Incorporated Support of non-HEVC base layer in HEVC multi-layer extensions
US20150264404A1 (en) * 2014-03-17 2015-09-17 Nokia Technologies Oy Method and apparatus for video coding and decoding
US10715833B2 (en) * 2014-05-28 2020-07-14 Apple Inc. Adaptive syntax grouping and compression in video data using a default value and an exception value
US10116576B2 (en) * 2015-10-19 2018-10-30 Samsung Electronics Co., Ltd. Methods and apparatus for random access of HEVC bitstream for MMT
CN113228588A (zh) * 2018-12-27 2021-08-06 华为技术有限公司 关于视频译码中的帧内随机接入点图像和前置图像
BR112021017426A2 (pt) 2019-03-01 2022-01-18 Fraunhofer Ges Forschung Decodificador de referência hipotético
US11695965B1 (en) * 2022-10-13 2023-07-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY134659A (en) * 2002-11-06 2007-12-31 Nokia Corp Picture buffering for prediction references and display
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US8358665B2 (en) 2008-08-15 2013-01-22 Qualcomm Incorporated Method and apparatus for controlling the presentation of multimedia data from a multiplex signal between devices in a local area network
US20100098156A1 (en) 2008-10-16 2010-04-22 Qualcomm Incorporated Weighted prediction based on vectorized entropy coding
JP5072893B2 (ja) * 2009-03-25 2012-11-14 株式会社東芝 画像符号化方法および画像復号化方法
US8665964B2 (en) 2009-06-30 2014-03-04 Qualcomm Incorporated Video coding based on first order prediction and pre-defined second order prediction mode
US8537200B2 (en) 2009-10-23 2013-09-17 Qualcomm Incorporated Depth map generation techniques for conversion of 2D video data to 3D video data
US8861599B2 (en) * 2011-03-08 2014-10-14 Sony Corporation Context reduction for last transform position coding
US9516379B2 (en) 2011-03-08 2016-12-06 Qualcomm Incorporated Buffer management in video codecs
US9706227B2 (en) 2011-03-10 2017-07-11 Qualcomm Incorporated Video coding techniques for coding dependent pictures after random access
US9026671B2 (en) 2011-04-05 2015-05-05 Qualcomm Incorporated IP broadcast streaming services distribution using file delivery methods
WO2013012372A1 (en) 2011-07-15 2013-01-24 Telefonaktiebolaget L M Ericsson (Publ) An encoder and method thereof for assigning a lowest layer identity to clean random access pictures

Also Published As

Publication number Publication date
AU2013318467B2 (en) 2017-04-20
ES2684546T3 (es) 2018-10-03
CN104641637A (zh) 2015-05-20
BR112015006059A2 (pt) 2017-07-04
ZA201502302B (en) 2021-09-29
HUE039076T2 (hu) 2018-12-28
KR101721344B1 (ko) 2017-03-29
US9374583B2 (en) 2016-06-21
WO2014046850A1 (en) 2014-03-27
US20140079140A1 (en) 2014-03-20
CA2883439C (en) 2017-08-01
IL237365B (en) 2018-05-31
BR112015006059B1 (pt) 2023-04-11
PH12015500517B1 (en) 2015-04-27
CN104641637B (zh) 2019-04-02
SI2898677T1 (en) 2018-08-31
PT2898677T (pt) 2018-10-08
CA2883439A1 (en) 2014-03-27
TWI559774B (zh) 2016-11-21
RU2015114441A (ru) 2016-11-10
UA117462C2 (uk) 2018-08-10
SG11201501407TA (en) 2015-04-29
JP2015533048A (ja) 2015-11-16
AU2013318467A1 (en) 2015-03-19
RU2624100C2 (ru) 2017-06-30
MY181728A (en) 2021-01-05
EP2898677B1 (en) 2018-05-30
IL237365A0 (en) 2015-04-30
EP2898677A1 (en) 2015-07-29
HK1205841A1 (en) 2015-12-24
PH12015500517A1 (en) 2015-04-27
JP6271558B2 (ja) 2018-01-31
TW201424392A (zh) 2014-06-16
DK2898677T3 (en) 2018-08-27
KR20150060776A (ko) 2015-06-03

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