EP1952631A4 - System und verfahren für skalierbare und verzögerungsarme videokonferenzen mit skalierbarer videocodierung - Google Patents

System und verfahren für skalierbare und verzögerungsarme videokonferenzen mit skalierbarer videocodierung

Info

Publication number
EP1952631A4
EP1952631A4 EP06788106A EP06788106A EP1952631A4 EP 1952631 A4 EP1952631 A4 EP 1952631A4 EP 06788106 A EP06788106 A EP 06788106A EP 06788106 A EP06788106 A EP 06788106A EP 1952631 A4 EP1952631 A4 EP 1952631A4
Authority
EP
European Patent Office
Prior art keywords
scalable
low
video coding
delay videoconferencing
scalable video
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06788106A
Other languages
English (en)
French (fr)
Other versions
EP1952631A1 (de
Inventor
Reha Civanlar
Alexandros Eleftheriadis
Danny Hong
Ofer Shapiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vidyo Inc
Original Assignee
Vidyo 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 Vidyo Inc filed Critical Vidyo Inc
Publication of EP1952631A1 publication Critical patent/EP1952631A1/de
Publication of EP1952631A4 publication Critical patent/EP1952631A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • 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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • 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
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/37—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
    • 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
    • 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 or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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 or manipulating encoded video stream 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • 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
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64746—Control signals issued by the network directed to the server or the client
    • H04N21/64753—Control signals issued by the network directed to the server or the client directed to the client
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64784—Data processing by the network
    • H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP06788106A 2005-09-07 2006-07-21 System und verfahren für skalierbare und verzögerungsarme videokonferenzen mit skalierbarer videocodierung Withdrawn EP1952631A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71474105P 2005-09-07 2005-09-07
US72339205P 2005-10-04 2005-10-04
PCT/US2006/028365 WO2008060262A1 (en) 2005-09-07 2006-07-21 System and method for scalable and low-delay videoconferencing using scalable video coding

Publications (2)

Publication Number Publication Date
EP1952631A1 EP1952631A1 (de) 2008-08-06
EP1952631A4 true EP1952631A4 (de) 2012-11-21

Family

ID=39402785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06788106A Withdrawn EP1952631A4 (de) 2005-09-07 2006-07-21 System und verfahren für skalierbare und verzögerungsarme videokonferenzen mit skalierbarer videocodierung

Country Status (3)

Country Link
EP (1) EP1952631A4 (de)
JP (2) JP2009508454A (de)
WO (1) WO2008060262A1 (de)

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AU2007214423C1 (en) 2006-02-16 2012-03-01 Vidyo, Inc. System and method for thinning of scalable video coding bit-streams
US8320450B2 (en) 2006-03-29 2012-11-27 Vidyo, Inc. System and method for transcoding between scalable and non-scalable video codecs
CN101588252B (zh) 2008-05-23 2011-07-20 华为技术有限公司 一种多点会议的控制方法及装置
WO2009154704A1 (en) * 2008-06-17 2009-12-23 Thomson Licensing Methods and apparatus for splitting and combining scalable video coding transport streams
US8319820B2 (en) * 2008-06-23 2012-11-27 Radvision, Ltd. Systems, methods, and media for providing cascaded multi-point video conferencing units
US8509302B2 (en) 2008-10-22 2013-08-13 Nippon Telegraph And Telephone Corporation Scalable video encoding method, scalable video encoding apparatus, scalable video encoding program, and computer readable recording medium storing the program
JP5395621B2 (ja) * 2009-11-05 2014-01-22 株式会社メガチップス 画像生成方法および画像再生方法
JP5999873B2 (ja) 2010-02-24 2016-09-28 株式会社リコー 伝送システム、伝送方法、及びプログラム
US10063873B2 (en) 2010-03-25 2018-08-28 Mediatek Inc. Method for adaptively performing video decoding, and associated adaptive complexity video decoder and adaptive audio/video playback system
US8259808B2 (en) * 2010-03-25 2012-09-04 Mediatek Inc. Low complexity video decoder
US9172980B2 (en) 2010-03-25 2015-10-27 Mediatek Inc. Method for adaptively performing video decoding, and associated adaptive complexity video decoder and adaptive audio/video playback system
AU2011258272B2 (en) * 2010-05-25 2015-03-26 Vidyo, Inc. Systems and methods for scalable video communication using multiple cameras and multiple monitors
WO2012025790A1 (en) * 2010-08-26 2012-03-01 Freescale Semiconductor, Inc. Video processing system and method for parallel processing of video data
JP5740969B2 (ja) * 2010-12-22 2015-07-01 株式会社リコー Ｔｖ会議システム
JP6079174B2 (ja) * 2011-12-27 2017-02-15 株式会社リコー 通信管理システム、通信システム、プログラム、及びメンテナンスシステム
KR102001415B1 (ko) * 2012-06-01 2019-07-18 삼성전자주식회사 다계층 비디오 코딩을 위한 레이트 제어 방법, 이를 이용한 비디오 인코딩 장치 및 비디오 신호 처리 시스템
WO2014034463A1 (ja) * 2012-08-27 2014-03-06 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
EP2804375A1 (de) 2013-02-22 2014-11-19 Thomson Licensing Codierungs- und Decodierungsverfahren eines Bildblocks, zugehörige Vorrichtungen und Datenstrom
EP2804374A1 (de) 2013-02-22 2014-11-19 Thomson Licensing Codierungs- und Decodierungsverfahren eines Bildblocks, zugehörige Vorrichtungen und Datenstrom
CN105230017B (zh) * 2013-03-21 2019-08-06 索尼公司 图像编码装置和方法以及图像解码装置和方法
JP2015192230A (ja) * 2014-03-27 2015-11-02 沖電気工業株式会社 会議システム、会議サーバ、会議方法及び会議プログラム
JP6349997B2 (ja) * 2014-06-17 2018-07-04 株式会社リコー 通信装置、通信システム、通信制御方法およびプログラム
JP6588801B2 (ja) * 2015-10-30 2019-10-09 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
KR101770070B1 (ko) * 2016-08-16 2017-08-21 라인 가부시키가이샤 비디오 컨퍼런스를 위한 비디오 스트림 제공 방법 및 시스템
CN115720257B (zh) * 2022-10-13 2023-06-23 华能信息技术有限公司 一种视频会议系统的通信安全管理方法及系统

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Also Published As

Publication number Publication date
WO2008060262A1 (en) 2008-05-22
JP2013141284A (ja) 2013-07-18
EP1952631A1 (de) 2008-08-06
JP2009508454A (ja) 2009-02-26

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