BRPI0915795A2 - método de codificação de vídeo escalonável para mudança rápida de canal para aumentar eficácia de codificação - Google Patents

método de codificação de vídeo escalonável para mudança rápida de canal para aumentar eficácia de codificação

Info

Publication number
BRPI0915795A2
BRPI0915795A2 BRPI0915795A BRPI0915795A BRPI0915795A2 BR PI0915795 A2 BRPI0915795 A2 BR PI0915795A2 BR PI0915795 A BRPI0915795 A BR PI0915795A BR PI0915795 A BRPI0915795 A BR PI0915795A BR PI0915795 A2 BRPI0915795 A2 BR PI0915795A2
Authority
BR
Brazil
Prior art keywords
channel switching
scalable video
fast channel
increase
encoding method
Prior art date
Application number
BRPI0915795A
Other languages
English (en)
Inventor
John Qiang Li
Xiuping Lu
Zhenyu Wu
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 BRPI0915795A2 publication Critical patent/BRPI0915795A2/pt

Links

Classifications

    • 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 MPEG 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • 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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • H04N19/68—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience involving the insertion of resynchronisation markers into the bitstream
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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 MPEG 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0915795A 2008-07-16 2009-01-16 método de codificação de vídeo escalonável para mudança rápida de canal para aumentar eficácia de codificação BRPI0915795A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8105608P 2008-07-16 2008-07-16
PCT/US2009/000325 WO2010008416A1 (en) 2008-07-16 2009-01-16 A scalable video coding method for fast channel change to increase coding efficiency

Publications (1)

Publication Number Publication Date
BRPI0915795A2 true BRPI0915795A2 (pt) 2015-11-10

Family

ID=40638015

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915795A BRPI0915795A2 (pt) 2008-07-16 2009-01-16 método de codificação de vídeo escalonável para mudança rápida de canal para aumentar eficácia de codificação

Country Status (7)

Country Link
US (1) US20110110418A1 (pt)
EP (1) EP2301252A1 (pt)
JP (1) JP2011528529A (pt)
KR (1) KR20110039531A (pt)
CN (1) CN102100069A (pt)
BR (1) BRPI0915795A2 (pt)
WO (1) WO2010008416A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010014123A1 (en) * 2008-07-26 2010-02-04 Thomson Licensing A real-time transport protocol (rtp) packetization method for fast channel change applications using scalable video coding (svc)
GB201100397D0 (en) 2011-01-11 2011-02-23 Univ Gent Fast channel switching
US9420307B2 (en) 2011-09-23 2016-08-16 Qualcomm Incorporated Coding reference pictures for a reference picture set
US8935425B2 (en) * 2011-10-05 2015-01-13 Qualcomm Incorporated Switching between representations during network streaming of coded multimedia data
WO2014007590A1 (ko) * 2012-07-06 2014-01-09 삼성전자 주식회사 랜덤 억세스를 위한 멀티 레이어 비디오 부호화 방법 및 그 장치, 랜덤 억세스를 위한 멀티 레이어 비디오 복호화 방법 및 그 장치
KR101668202B1 (ko) 2012-09-25 2016-10-20 인텔 코포레이션 스케일러블 비디오 코딩을 위한 인터레이어 샘플 적응 필터 파라미터 재사용
US20140301436A1 (en) * 2013-04-05 2014-10-09 Qualcomm Incorporated Cross-layer alignment in multi-layer video coding
WO2015015058A1 (en) * 2013-07-31 2015-02-05 Nokia Corporation Method and apparatus for video coding and decoding
JP6397421B2 (ja) * 2013-10-08 2018-09-26 シャープ株式会社 画像復号装置及び画像符号化装置
US9979971B2 (en) * 2013-10-14 2018-05-22 Qualcomm Incorporated Device and method for scalable coding of video information
US11184624B2 (en) * 2016-05-19 2021-11-23 Qualcomm Incorporated Regional random access in pictures
CN106210884B (zh) * 2016-07-13 2019-02-26 腾讯科技（深圳）有限公司 视频文件的转码方法和装置
US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3008879B2 (ja) * 1997-02-26 2000-02-14 日本電気株式会社 光波回路の実装構造
WO2005008307A2 (en) * 2003-07-17 2005-01-27 Teraspan Networks Inc. Junction box housings for surface inlaid fibre optic network installations
CN1973550B (zh) * 2004-07-07 2010-08-18 汤姆森许可贸易公司 使用冗余视频流的通过dsl的数字视频广播系统中的快速频道改变
KR100643291B1 (ko) * 2005-04-14 2006-11-10 삼성전자주식회사 랜덤 엑세스의 지연을 최소화하는 비디오 복부호화 장치 및방법
US8619854B2 (en) * 2006-03-27 2013-12-31 Electronics And Telecommunications Research Institute Scalable video encoding and decoding method using switching pictures and apparatus thereof

Also Published As

Publication number Publication date
KR20110039531A (ko) 2011-04-19
CN102100069A (zh) 2011-06-15
JP2011528529A (ja) 2011-11-17
EP2301252A1 (en) 2011-03-30
WO2010008416A1 (en) 2010-01-21
US20110110418A1 (en) 2011-05-12

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2384 DE 13-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H04N 21/438 (2011.01), H04N 19/30 (2014.01), H04N