DE602005021859D1 - Anordnung und verfahren zum erzeugen von kontinuierlichen präsenzbildern - Google Patents

Anordnung und verfahren zum erzeugen von kontinuierlichen präsenzbildern

Info

Publication number
DE602005021859D1
DE602005021859D1 DE602005021859T DE602005021859T DE602005021859D1 DE 602005021859 D1 DE602005021859 D1 DE 602005021859D1 DE 602005021859 T DE602005021859 T DE 602005021859T DE 602005021859 T DE602005021859 T DE 602005021859T DE 602005021859 D1 DE602005021859 D1 DE 602005021859D1
Authority
DE
Germany
Prior art keywords
coded
video signals
images
video
image
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.)
Active
Application number
DE602005021859T
Other languages
English (en)
Inventor
Tom Erik Lia
Tom-Ivar Johansen
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.)
Cisco Systems International SARL
Original Assignee
Tandberg Telecom AS
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 Tandberg Telecom AS filed Critical Tandberg Telecom AS
Publication of DE602005021859D1 publication Critical patent/DE602005021859D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • 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
    • H04N7/157—Conference systems defining a virtual conference space and using avatars or agents
DE602005021859T 2004-02-13 2005-02-11 Anordnung und verfahren zum erzeugen von kontinuierlichen präsenzbildern Active DE602005021859D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20040661A NO320115B1 (no) 2004-02-13 2004-02-13 Anordning og fremgangsmate for a generere CP-bilder.
PCT/NO2005/000050 WO2005079068A1 (en) 2004-02-13 2005-02-11 Arrangement and method for generating continuous presence images

Publications (1)

Publication Number Publication Date
DE602005021859D1 true DE602005021859D1 (de) 2010-07-29

Family

ID=34793425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005021859T Active DE602005021859D1 (de) 2004-02-13 2005-02-11 Anordnung und verfahren zum erzeugen von kontinuierlichen präsenzbildern

Country Status (9)

Country Link
US (1) US7720157B2 (de)
EP (1) EP1721462B1 (de)
JP (1) JP4582659B2 (de)
CN (1) CN100559865C (de)
AT (1) ATE471631T1 (de)
DE (1) DE602005021859D1 (de)
ES (1) ES2345893T3 (de)
NO (1) NO320115B1 (de)
WO (1) WO2005079068A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8542266B2 (en) * 2007-05-21 2013-09-24 Polycom, Inc. Method and system for adapting a CP layout according to interaction between conferees
US8446454B2 (en) * 2007-05-21 2013-05-21 Polycom, Inc. Dynamic adaption of a continuous presence videoconferencing layout based on video content
US8116372B1 (en) * 2007-10-26 2012-02-14 Xilinx, Inc. Data structure and method using same for encoding video information
US8319820B2 (en) * 2008-06-23 2012-11-27 Radvision, Ltd. Systems, methods, and media for providing cascaded multi-point video conferencing units
DE102009011251A1 (de) * 2009-03-02 2010-09-09 Siemens Enterprise Communications Gmbh & Co. Kg Multiplexverfahren und zugehörige funktionelle Datenstruktur zum Zusammenfassen digitaler Videosignale
US9516272B2 (en) 2010-03-31 2016-12-06 Polycom, Inc. Adapting a continuous presence layout to a discussion situation
DE102010023954A1 (de) * 2010-06-16 2011-12-22 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Vorrichtung zum Mischen von Videoströmen auf der Makroblock-Ebene
JP2012074981A (ja) * 2010-09-29 2012-04-12 Nec Corp 多地点会議接続装置、多地点会議システム、多地点会議接続方法およびプログラム
US8537195B2 (en) * 2011-02-09 2013-09-17 Polycom, Inc. Automatic video layouts for multi-stream multi-site telepresence conferencing system
US20140028788A1 (en) * 2012-07-30 2014-01-30 Polycom, Inc. Method and system for conducting video conferences of diverse participating devices
US9118807B2 (en) 2013-03-15 2015-08-25 Cisco Technology, Inc. Split frame multistream encode
US9215413B2 (en) 2013-03-15 2015-12-15 Cisco Technology, Inc. Split frame multistream encode
WO2014145481A1 (en) * 2013-03-15 2014-09-18 Cisco Technology, Inc. Split frame multistream encode
CN105635636B (zh) * 2015-12-30 2019-05-03 随锐科技股份有限公司 一种视频会议系统及其实现视频图像传输控制的方法
US11153582B2 (en) * 2019-01-17 2021-10-19 Brightcove Inc. Optimal multi-codec ABR ladder design

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795553A (ja) * 1993-09-22 1995-04-07 Nippon Telegr & Teleph Corp <Ntt> 多地点間画像通信システム
JP3586484B2 (ja) * 1993-12-10 2004-11-10 日本電気エンジニアリング株式会社 多地点会議用画面合成システムおよび方法
US5446491A (en) * 1993-12-21 1995-08-29 Hitachi, Ltd. Multi-point video conference system wherein each terminal comprises a shared frame memory to store information from other terminals
JPH08251567A (ja) * 1995-03-15 1996-09-27 Toshiba Corp テレビ会議装置
JPH1066088A (ja) * 1996-08-16 1998-03-06 Ricoh Co Ltd 多地点テレビ会議制御装置
US6335927B1 (en) * 1996-11-18 2002-01-01 Mci Communications Corporation System and method for providing requested quality of service in a hybrid network
BR9714315A (pt) 1996-11-18 2000-02-08 Mci Communications Corp Arquitetura para sistema de comunicação.
US6731625B1 (en) * 1997-02-10 2004-05-04 Mci Communications Corporation System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony
JPH10262228A (ja) * 1997-03-18 1998-09-29 Toshiba Corp 通信システム、多地点制御装置、映像情報表示方法
JPH11239331A (ja) * 1998-02-23 1999-08-31 Kyocera Corp 多地点通信システム
US6288740B1 (en) * 1998-06-11 2001-09-11 Ezenia! Inc. Method and apparatus for continuous presence conferencing with voice-activated quadrant selection
EP1024643A1 (de) 1999-01-29 2000-08-02 International Business Machines Corporation Verfahren, Vorrichtung und Kommunikationssystem zum Aufbau einer Telekommunikationsverbindung
US6606112B1 (en) * 2000-03-16 2003-08-12 Tandberg Telecom As Composite-video generation from different-rate constituents
US6535240B2 (en) * 2001-07-16 2003-03-18 Chih-Lung Yang Method and apparatus for continuously receiving frames from a plurality of video channels and for alternately continuously transmitting to each of a plurality of participants in a video conference individual frames containing information concerning each of said video channels
AU2003207746A1 (en) 2002-01-30 2003-09-02 Jon T. Genna Multipoint audiovisual conferencing system
US7352809B2 (en) * 2003-02-21 2008-04-01 Polycom, Inc. System and method for optimal transmission of a multitude of video pictures to one or more destinations
US20050008240A1 (en) * 2003-05-02 2005-01-13 Ashish Banerji Stitching of video for continuous presence multipoint video conferencing

Also Published As

Publication number Publication date
NO20040661D0 (no) 2004-02-13
US20050195275A1 (en) 2005-09-08
EP1721462B1 (de) 2010-06-16
WO2005079068A1 (en) 2005-08-25
EP1721462A1 (de) 2006-11-15
US7720157B2 (en) 2010-05-18
NO320115B1 (no) 2005-10-24
ES2345893T3 (es) 2010-10-05
CN100559865C (zh) 2009-11-11
JP4582659B2 (ja) 2010-11-17
CN1918912A (zh) 2007-02-21
JP2007522761A (ja) 2007-08-09
ATE471631T1 (de) 2010-07-15

Similar Documents

Publication Publication Date Title
DE602005021859D1 (de) Anordnung und verfahren zum erzeugen von kontinuierlichen präsenzbildern
EP4072139A3 (de) Vorrichtung, verfahren und computerprogramm zur videocodierung und -decodierung
HK1103501A1 (en) Multi-layer video coding and decoding methods and multi-layer video encoder and decoder
WO2010039728A3 (en) Video coding with large macroblocks
MY152695A (en) Video coding with large macroblocks
TW200718216A (en) Method and apparatus for macroblock adaptive inter-layer intra texture prediction
MY147087A (en) Method and apparatus for weighted prediction for scalable video coding
MX2015014202A (es) Conjunto de mosaico de movimiento restringido para region de codificacion de interes.
EP2276260A3 (de) Gegenstand zum schalten von multirate multi referenz Bildrahmen zur Bild-kodierung und dekodierung.
MY172388A (en) Inter-layer reference picture processing for coding-standard scalability
MY167744A (en) Method and apparatus for video encoding and decoding
MX2009003967A (es) Sistema y método para implementar una administración eficiente de memoria intermedia decodificada en codificación de video de vistas múltiples.
TW200623886A (en) Method and system for entropy encoding and decoding of a scalable video bit stream
MY165997A (en) Video coding with large macroblocks
WO2008048489A3 (en) Method and apparatus for video coding using prediction data refinement
ATE458356T1 (de) Videokodierung
WO2011002809A3 (en) Template matching for video coding
WO2007126517A3 (en) Method and apparatus for redundant video coding
RU2013158347A (ru) Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений
TW200711480A (en) Method and system for distributing video encoder processing
MY150004A (en) Apparatus and method for decoding picture data
TW200633535A (en) Method and system for coding/decoding of a video bit stream for fine granularity scalability
WO2003084238A3 (en) Methods and apparatus for efficient global motion compensation encoding and associated decoding
TW200721848A (en) Method and apparatus for weighted prediction for scalable video coding
TW200733584A (en) Variable length codes for scalable video coding

Legal Events

Date Code Title Description
R082 Change of representative

Ref document number: 1721462

Country of ref document: EP

Representative=s name: MEISSNER, BOLTE & PARTNER GBR, DE

R081 Change of applicant/patentee

Ref document number: 1721462

Country of ref document: EP

Owner name: CISCO SYSTEMS INTERNATIONAL SARL, CH

Free format text: FORMER OWNER: CISCO SYSTEMS INTERNATIONAL SARL, ROLLE, CH

Effective date: 20120816

R082 Change of representative

Ref document number: 1721462

Country of ref document: EP

Representative=s name: MEISSNER, BOLTE & PARTNER GBR, DE

Effective date: 20120816