CO7350643A2 - Aplicabilidad de subcorrientes de bits a mensajes de sei anidados en la codificación de video - Google Patents

Aplicabilidad de subcorrientes de bits a mensajes de sei anidados en la codificación de video

Info

Publication number
CO7350643A2
CO7350643A2 CO15105706A CO15105706A CO7350643A2 CO 7350643 A2 CO7350643 A2 CO 7350643A2 CO 15105706 A CO15105706 A CO 15105706A CO 15105706 A CO15105706 A CO 15105706A CO 7350643 A2 CO7350643 A2 CO 7350643A2
Authority
CO
Colombia
Prior art keywords
sei message
undercurrent
bit
nested
applicable
Prior art date
Application number
CO15105706A
Other languages
English (en)
Inventor
Ye-Kui Wang
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 CO7350643A2 publication Critical patent/CO7350643A2/es

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/169Methods 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
    • H04N19/188Methods 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 a video data packet, e.g. a network abstraction layer [NAL] unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)

Abstract

Por lo general, esta revelación describe la señalización de parámetros del decodificador hipotético de referencia (HRD, por sus siglas en inglés) y la anidación de mensajes de información de mejora suplementaria (SEI, por sus siglas en inglés) en la codificación de video. En forma más específica, un codificador de video puede incluir, en un mensaje de SEI de anidación escalable encapsulado por medio de una unidad 3 de capa de abstracción de red (NAL, por sus siglas en inglés) de SEI, un elemento de sintaxis que indica si un mensaje de SEI anidado encapsulado por medio del mensaje de SEI de anidación escalable es aplicable a una subcorriente de bits por defecto. La subcorriente de bits por defecto es una representación de punto de operación de un punto de operación definida por medio de un identificador de capa especificado en una cabecera de la unidad de NAL de la unidad de NAL de SEI y un identificador temporal especificado en la cabecera de la unidad de NAL. En forma adicional, un dispositivo puede determinar, con base por lo menos en parte en el elemento de sintaxis en el mensaje de SEI de anidación escalable, si el mensaje de SEI anidado encapsulado por medio del mensaje de SEI de anidación escalable es aplicable a la subcorriente de bits por defecto. Cuando el mensaje de SEI anidado es aplicable a la subcorriente de bits por defecto, el dispositivo puede utilizar el mensaje de SEI anidado en una operación sobre la subcorriente de bits por defecto.
CO15105706A 2012-10-08 2015-05-08 Aplicabilidad de subcorrientes de bits a mensajes de sei anidados en la codificación de video CO7350643A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261711098P 2012-10-08 2012-10-08
US13/954,758 US9154785B2 (en) 2012-10-08 2013-07-30 Sub-bitstream applicability to nested SEI messages in video coding

Publications (1)

Publication Number Publication Date
CO7350643A2 true CO7350643A2 (es) 2015-08-10

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CO15105706A CO7350643A2 (es) 2012-10-08 2015-05-08 Aplicabilidad de subcorrientes de bits a mensajes de sei anidados en la codificación de video

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US (3) US9380317B2 (es)
EP (3) EP2904782B1 (es)
JP (3) JP6062558B2 (es)
KR (3) KR101677867B1 (es)
CN (3) CN104685892B (es)
AP (1) AP3952A (es)
AR (2) AR094449A1 (es)
AU (2) AU2013330372B2 (es)
BR (2) BR112015007763B1 (es)
CA (2) CA2885807C (es)
CO (1) CO7350643A2 (es)
DK (1) DK2904782T3 (es)
EC (1) ECSP15018127A (es)
ES (2) ES2727814T3 (es)
HK (2) HK1207775A1 (es)
HU (2) HUE038492T2 (es)
IL (2) IL237949B (es)
MA (1) MA37971B1 (es)
MX (1) MX341437B (es)
MY (2) MY168739A (es)
PH (2) PH12015500625A1 (es)
PT (1) PT2904782T (es)
RU (2) RU2643463C2 (es)
SA (1) SA515360254B1 (es)
SG (2) SG11201501832UA (es)
SI (1) SI2904782T1 (es)
TW (2) TWI533674B (es)
UA (2) UA116998C2 (es)
WO (3) WO2014058598A1 (es)
ZA (1) ZA201502498B (es)

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JP6077124B2 (ja) 2017-02-08
KR20150067319A (ko) 2015-06-17
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CN104685892B (zh) 2019-02-22
CN104704842B (zh) 2018-04-20
CN104685891B (zh) 2018-07-20
KR101677867B1 (ko) 2016-11-18
BR112015007761A2 (pt) 2017-07-04
HK1209550A1 (en) 2016-04-01
US20140098894A1 (en) 2014-04-10
EP2904787A1 (en) 2015-08-12
MY168739A (en) 2018-11-29
KR101697886B1 (ko) 2017-01-18
BR112015007763B1 (pt) 2022-08-02
JP2015532551A (ja) 2015-11-09
RU2015117436A (ru) 2016-11-27
AR094449A1 (es) 2015-08-05
TWI565299B (zh) 2017-01-01
MA37971B1 (fr) 2016-10-31
PH12015500742A1 (en) 2015-05-25
AU2013330284B2 (en) 2017-06-08
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US9154785B2 (en) 2015-10-06
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SG11201501832UA (en) 2015-05-28
RU2633100C2 (ru) 2017-10-11
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BR112015007763A2 (pt) 2017-07-04
US20140098895A1 (en) 2014-04-10
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IL237948A (en) 2016-11-30
PH12015500742B1 (en) 2015-05-25
UA116363C2 (uk) 2018-03-12
EP2904784B1 (en) 2018-12-19
KR20150067318A (ko) 2015-06-17
KR101719935B1 (ko) 2017-03-24

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