BR112017015841A2 - identificação e decodificação de drap - Google Patents

identificação e decodificação de drap

Info

Publication number
BR112017015841A2
BR112017015841A2 BR112017015841A BR112017015841A BR112017015841A2 BR 112017015841 A2 BR112017015841 A2 BR 112017015841A2 BR 112017015841 A BR112017015841 A BR 112017015841A BR 112017015841 A BR112017015841 A BR 112017015841A BR 112017015841 A2 BR112017015841 A2 BR 112017015841A2
Authority
BR
Brazil
Prior art keywords
drap
identification
decoding
sample
bit stream
Prior art date
Application number
BR112017015841A
Other languages
English (en)
Other versions
BR112017015841B1 (pt
Inventor
Samuelsson Jonatan
Pettersson Martin
Mitic Richard
Sjoberg Rickard
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112017015841A2 publication Critical patent/BR112017015841A2/pt
Publication of BR112017015841B1 publication Critical patent/BR112017015841B1/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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/10—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/10—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/70—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)

Abstract

a presente invenção refere-se à identificação de uma amostra drap e sua amostra irap associada em um arquivo de recipiente de mídia (1) compreendendo um fluxo de bits de conteúdo de vídeo codificado na forma de imagens codificadas.
BR112017015841-8A 2015-02-04 2015-11-24 Dispositivo para decodificar amostras de ponto de acesso aleatório dependente, dispositivo para gerar um arquivo de recipiente de mídia, métodos relacionados e arquivo de recipiente de mídia BR112017015841B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562111820P 2015-02-04 2015-02-04
US62/111,820 2015-02-04
PCT/SE2015/051259 WO2016126181A1 (en) 2015-02-04 2015-11-24 Drap identification and decoding

Publications (2)

Publication Number Publication Date
BR112017015841A2 true BR112017015841A2 (pt) 2018-03-27
BR112017015841B1 BR112017015841B1 (pt) 2024-01-30

Family

ID=56564404

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017015841-8A BR112017015841B1 (pt) 2015-02-04 2015-11-24 Dispositivo para decodificar amostras de ponto de acesso aleatório dependente, dispositivo para gerar um arquivo de recipiente de mídia, métodos relacionados e arquivo de recipiente de mídia

Country Status (6)

Country Link
US (1) US10136153B2 (pt)
EP (1) EP3254461A4 (pt)
AR (1) AR103610A1 (pt)
BR (1) BR112017015841B1 (pt)
MY (1) MY185338A (pt)
WO (1) WO2016126181A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017024990A1 (en) * 2015-08-07 2017-02-16 Mediatek Inc. Method and apparatus of bitstream random access and synchronization for multimedia applications
US20170111642A1 (en) * 2015-10-14 2017-04-20 Qualcomm Incorporated Support of random access and switching of layers and sub-layers in multi-layer video files
GB2585052B (en) * 2019-06-26 2023-07-26 Canon Kk Method and apparatus for encapsulating panorama images in a file
US11564018B2 (en) 2019-10-02 2023-01-24 Qualcomm Incorporated Random access at resync points of dash segments
US12041386B2 (en) 2020-09-29 2024-07-16 Lemon Inc. Dependent random access point indication in video bitstreams
WO2022143615A1 (en) * 2020-12-28 2022-07-07 Beijing Bytedance Network Technology Co., Ltd. Cross random access point sample group

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7613727B2 (en) 2002-02-25 2009-11-03 Sont Corporation Method and apparatus for supporting advanced coding formats in media files
WO2007078252A2 (en) * 2006-01-05 2007-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Media container file management
CN102342127A (zh) * 2009-01-28 2012-02-01 诺基亚公司 用于视频编码和解码的方法和装置
US9843844B2 (en) * 2011-10-05 2017-12-12 Qualcomm Incorporated Network streaming of media data
US9800893B2 (en) * 2013-04-17 2017-10-24 Nokia Technologies Oy Apparatus, a method and a computer program for video coding and decoding
US9807406B2 (en) * 2014-03-17 2017-10-31 Qualcomm Incorporated Picture flushing and decoded picture buffer parameter inference for multi-layer bitstreams
WO2015192991A1 (en) * 2014-06-18 2015-12-23 Telefonaktiebolaget L M Ericsson (Publ) Random access in a video bitstream
WO2015192989A1 (en) 2014-06-18 2015-12-23 Telefonaktiebolaget L M Ericsson (Publ) Robust encoding and decoding of pictures in video

Also Published As

Publication number Publication date
US10136153B2 (en) 2018-11-20
EP3254461A1 (en) 2017-12-13
MY185338A (en) 2021-05-06
EP3254461A4 (en) 2018-08-29
WO2016126181A1 (en) 2016-08-11
BR112017015841B1 (pt) 2024-01-30
AR103610A1 (es) 2017-05-24
US20160373777A1 (en) 2016-12-22

Similar Documents

Publication Publication Date Title
BR112017015841A2 (pt) identificação e decodificação de drap
HK1257827A1 (zh) 在視頻譯碼中以單獨亮度-色度框架將亮度信息用於色度預測
HK1243259A1 (zh) 於視頻譯碼中針對子塊推導運動信息
ZA201901466B (en) Video encoding and decoding
ZA201705016B (en) Inter-layer prediction for scalable video coding and decoding
DK3354024T3 (da) Supplerende forbedringsinformation (sei) -beskeder til videokodning med højdynamisk område og bred farveskala
BR112017006720A2 (pt) estruturas de sintaxe indicando término de regiões codificadas
AR100736A1 (es) Imágenes de punto de acceso aleatorio dependiente
HUE047141T2 (hu) Jelzés al-dekódolt kép pufferhez (sub-DPB) DPB mûveletek alapján videó kódolásban
GB2557997B (en) Encoding and Decoding of image data
AR100738A1 (es) Codificación y decodificación robusta de imágenes de video
GB201417274D0 (en) Video data encoding and decoding
GB201609015D0 (en) Image data encoding and decoding
GB201710825D0 (en) Image data encoding and decoding
BR112016021321A2 (pt) métodos e aparelhos de codificação e decodificação de dados de vídeo
GB201812556D0 (en) Image data encoding and decoding
FR3032583B1 (fr) Procede de codage d'une image numerique, procede de decodage, dispositifs, et programmes d'ordinateurs associes
EP3479570A4 (en) VIDEO ENCODING AND DECODING
GB201710824D0 (en) Image data encoding and decoding
GB201620815D0 (en) Image data encoding and decoding
IL269050B (en) Coding symbolism in video data
GB201805002D0 (en) Marking video media content
PL3701717T3 (pl) Kodowanie i dekodowanie danych obrazu
GB201815557D0 (en) Image data encoding and decoding
GB201717682D0 (en) Image data encoding and decoding

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/11/2015, OBSERVADAS AS CONDICOES LEGAIS