DE10190285T1 - Verfahren und System zur Verarbeitung von komprimierten Videosignalen - Google Patents

Verfahren und System zur Verarbeitung von komprimierten Videosignalen

Info

Publication number
DE10190285T1
DE10190285T1 DE10190285T DE10190285T DE10190285T1 DE 10190285 T1 DE10190285 T1 DE 10190285T1 DE 10190285 T DE10190285 T DE 10190285T DE 10190285 T DE10190285 T DE 10190285T DE 10190285 T1 DE10190285 T1 DE 10190285T1
Authority
DE
Germany
Prior art keywords
video signals
compressed video
processing compressed
processing
signals
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.)
Granted
Application number
DE10190285T
Other languages
English (en)
Other versions
DE10190285B4 (de
Inventor
Meir Feder
Moshe Elbaz
Noam Eshkoli
Aviv Eisenberg
Ilan Yona
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.)
Polycom Israel Ltd
Original Assignee
Accord Networks Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24016271&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE10190285(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Accord Networks Ltd filed Critical Accord Networks Ltd
Publication of DE10190285T1 publication Critical patent/DE10190285T1/de
Application granted granted Critical
Publication of DE10190285B4 publication Critical patent/DE10190285B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/50—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE10190285T 2000-01-13 2001-01-09 Verfahren und System zur Verarbeitung von komprimierten Videosignalen Expired - Fee Related DE10190285B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/506,861 US6300973B1 (en) 2000-01-13 2000-01-13 Method and system for multimedia communication control
US09/506,861 2000-01-13
PCT/IL2001/000018 WO2001052538A1 (en) 2000-01-13 2001-01-09 Method and system for compressed video processing

Publications (2)

Publication Number Publication Date
DE10190285T1 true DE10190285T1 (de) 2002-05-02
DE10190285B4 DE10190285B4 (de) 2007-04-12

Family

ID=24016271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10190285T Expired - Fee Related DE10190285B4 (de) 2000-01-13 2001-01-09 Verfahren und System zur Verarbeitung von komprimierten Videosignalen

Country Status (5)

Country Link
US (3) US6300973B1 (de)
AU (1) AU2393001A (de)
DE (1) DE10190285B4 (de)
GB (1) GB2363687B (de)
WO (1) WO2001052538A1 (de)

Families Citing this family (167)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697427B1 (en) * 1998-11-03 2004-02-24 Pts Corporation Methods and apparatus for improved motion estimation for video encoding
EP1045590A3 (de) * 1999-04-13 2005-03-09 Matsushita Electric Industrial Co., Ltd. Transkodierer und Transkodierungsverfahren mit Bitratenregulierung
WO2001037565A1 (en) * 1999-11-12 2001-05-25 Matsushita Electric Industrial Co., Ltd. Method and apparatus for controlling moving picture synthesis
US6300973B1 (en) * 2000-01-13 2001-10-09 Meir Feder Method and system for multimedia communication control
JP4373088B2 (ja) * 2000-07-10 2009-11-25 株式会社日立製作所 マルチメディア通信端末
EP1310060B1 (de) * 2000-08-15 2012-08-01 Polycom Israel Ltd. Eine multimedia-kommunikationssteuereinheit als sicheres gerät zur multimedia-kommunikation zwischen lan-benutzer und anderen netzbenutzern
JP4524908B2 (ja) * 2000-11-08 2010-08-18 日本電気株式会社 動画像編集方法、動画像編集装置及び動画像編集プログラムを記憶した記憶媒体
US20020118746A1 (en) * 2001-01-03 2002-08-29 Kim Hyun Mun Method of performing video encoding rate control using motion estimation
US7602847B1 (en) * 2001-03-27 2009-10-13 Vixs Systems, Inc. Device and method for compression of a video stream
US20070053428A1 (en) * 2001-03-30 2007-03-08 Vixs Systems, Inc. Managed degradation of a video stream
US8107524B2 (en) * 2001-03-30 2012-01-31 Vixs Systems, Inc. Adaptive bandwidth footprint matching for multiple compressed video streams in a fixed bandwidth network
US20040022202A1 (en) * 2002-08-05 2004-02-05 Chih-Lung Yang Method and apparatus for continuously receiving images from a plurality of video channels and for alternately continuously transmitting to each of a plurality of participants in a video conference individual images containing information concerning each of said video channels
US6959348B1 (en) * 2001-07-30 2005-10-25 Vixs Systems, Inc. Method and system for accessing data
US7675972B1 (en) 2001-07-30 2010-03-09 Vixs Systems, Inc. System and method for multiple channel video transcoding
US7596127B1 (en) 2001-10-31 2009-09-29 Vixs Systems, Inc. System for allocating data in a communications system and method thereof
US7139330B1 (en) 2001-10-31 2006-11-21 Vixs Systems, Inc. System for signal mixing and method thereof
US7106715B1 (en) 2001-11-16 2006-09-12 Vixs Systems, Inc. System for providing data to multiple devices and method thereof
US7403564B2 (en) * 2001-11-21 2008-07-22 Vixs Systems, Inc. System and method for multiple channel video transcoding
US7356079B2 (en) * 2001-11-21 2008-04-08 Vixs Systems Inc. Method and system for rate control during video transcoding
US7165180B1 (en) 2001-11-27 2007-01-16 Vixs Systems, Inc. Monolithic semiconductor device for preventing external access to an encryption key
EP1468559A4 (de) 2002-01-16 2005-07-27 Polycom Inc Verfahren und system zur steuerung der multimedia-videokommunikation
US7310679B1 (en) 2002-04-29 2007-12-18 Vixs Systems Inc. Method and system for transmitting video content while preventing other transmissions in a contention-based network
US7120253B2 (en) * 2002-05-02 2006-10-10 Vixs Systems, Inc. Method and system for protecting video data
KR20040007818A (ko) * 2002-07-11 2004-01-28 삼성전자주식회사 동영상 부호화를 위한 ｄｃｔ연산량 조절 방법 및 그 장치
US7492387B2 (en) * 2002-08-05 2009-02-17 Chih-Lung Yang Implementation of MPCP MCU technology for the H.264 video standard
WO2004064277A2 (en) * 2003-01-16 2004-07-29 Sony United Kingdom Limited Video network
US20040141555A1 (en) * 2003-01-16 2004-07-22 Rault Patrick M. Method of motion vector prediction and system thereof
US7408989B2 (en) * 2003-01-16 2008-08-05 Vix5 Systems Inc Method of video encoding using windows and system thereof
US7808932B2 (en) * 2003-01-16 2010-10-05 Sony United Kingdom Limited Virtual connection for packetised data transfer in a video and audio network
US20040154041A1 (en) * 2003-01-24 2004-08-05 Zhang Gary Xiao-Liang Optimized data streaming and uses thereof
US7133452B1 (en) 2003-02-24 2006-11-07 Vixs Systems, Inc. Method and system for transcoding video data
US7327784B2 (en) * 2003-02-24 2008-02-05 Vixs Systems, Inc. Method and system for transcoding video data
US7606305B1 (en) 2003-02-24 2009-10-20 Vixs Systems, Inc. Method and system for transcoding video data
US7130350B1 (en) 2003-02-28 2006-10-31 Vixs Systems, Inc. Method and system for encoding and decoding data in a video stream
KR100935401B1 (ko) * 2003-03-06 2010-01-06 엘지디스플레이 주식회사 자외선을 이용하는 기판세정장치 및 이의 구동방법
US8230094B1 (en) 2003-04-29 2012-07-24 Aol Inc. Media file format, system, and method
GB2402568B (en) * 2003-04-30 2006-09-06 Braddahead Ltd Video capture system
US7454460B2 (en) * 2003-05-16 2008-11-18 Seiko Epson Corporation Method and system for delivering produced content to passive participants of a videoconference
US7739105B2 (en) * 2003-06-13 2010-06-15 Vixs Systems, Inc. System and method for processing audio frames
US20040252761A1 (en) * 2003-06-16 2004-12-16 Dilithium Networks Pty Limited (An Australian Corporation) Method and apparatus for handling video communication errors
US7034860B2 (en) * 2003-06-20 2006-04-25 Tandberg Telecom As Method and apparatus for video conferencing having dynamic picture layout
US20050013309A1 (en) * 2003-07-14 2005-01-20 Channasandra Ravishankar System and method for high quality video conferencing with heterogeneous end-points and networks
KR100548383B1 (ko) * 2003-07-18 2006-02-02 엘지전자 주식회사 이동통신 시스템의 디지털 비디오 신호처리 장치 및 방법
US20060115384A1 (en) * 2003-09-16 2006-06-01 Vici Gig Harbor Group, Inc. Pipette tip surface sorption extraction
US20060115383A1 (en) * 2003-09-16 2006-06-01 Vici Gig Harbor Group, Inc. Flow through well plate surface sorption extarction
US20060110295A1 (en) * 2003-09-16 2006-05-25 Vici Gig Harbor Group, Inc. Closed well plate surface sorption extraction
US7087437B2 (en) * 2003-09-16 2006-08-08 Vici Gig Harbor Group, Inc. Direct vial surface sorbent micro extraction device and method
US7668396B2 (en) * 2003-09-29 2010-02-23 Vixs Systems, Inc. Method and system for noise reduction in an image
US7277101B2 (en) 2003-09-29 2007-10-02 Vixs Systems Inc Method and system for scaling images
WO2005036878A1 (en) * 2003-10-08 2005-04-21 Cisco Technology, Inc. System and method for performing distributed video conferencing
US8081205B2 (en) * 2003-10-08 2011-12-20 Cisco Technology, Inc. Dynamically switched and static multiple video streams for a multimedia conference
US8659636B2 (en) * 2003-10-08 2014-02-25 Cisco Technology, Inc. System and method for performing distributed video conferencing
US7634575B2 (en) * 2003-10-09 2009-12-15 Hewlett-Packard Development Company, L.P. Method and system for clustering data streams for a virtual environment
US7139015B2 (en) * 2004-01-20 2006-11-21 Polycom, Inc. Method and apparatus for mixing compressed video
US7406598B2 (en) 2004-02-17 2008-07-29 Vixs Systems Inc. Method and system for secure content distribution
US20050232497A1 (en) * 2004-04-15 2005-10-20 Microsoft Corporation High-fidelity transcoding
US7113200B2 (en) * 2004-05-21 2006-09-26 Polycom, Inc. Method and system for preparing video communication image for wide screen display
US8127242B1 (en) * 2010-08-12 2012-02-28 The United States Of America As Represented By The Secretary Of The Army Graphic user interface and software for processing large size signal data samples in a small buffer using automatically adjusted decimation ratio
US7606427B2 (en) * 2004-07-08 2009-10-20 Qualcomm Incorporated Efficient rate control techniques for video encoding
CN100581245C (zh) * 2004-07-08 2010-01-13 高通股份有限公司 用于视频编码的有效速率控制技术
US7929011B2 (en) * 2004-08-02 2011-04-19 Polycom, Inc. Method and system for handling video signals of conference
US8170191B2 (en) * 2004-08-02 2012-05-01 Polycom, Inc. Method and system for handling audio signals of conference
EP1631089A1 (de) * 2004-08-30 2006-03-01 Matsushita Electric Industrial Co., Ltd. Videokodierungs- und Videodekodierungsvorrichtung
US7312809B2 (en) * 2004-10-12 2007-12-25 Codian Ltd. Method and apparatus for controlling a conference call
US20060106929A1 (en) * 2004-10-15 2006-05-18 Kenoyer Michael L Network conference communications
US8149739B2 (en) * 2004-10-15 2012-04-03 Lifesize Communications, Inc. Background call validation
US7692683B2 (en) * 2004-10-15 2010-04-06 Lifesize Communications, Inc. Video conferencing system transcoder
US7545435B2 (en) * 2004-10-15 2009-06-09 Lifesize Communications, Inc. Automatic backlight compensation and exposure control
US7477281B2 (en) * 2004-11-09 2009-01-13 Nokia Corporation Transmission control in multiparty conference
US7532231B2 (en) * 2004-12-17 2009-05-12 Codian Limited Video conference recorder
GB2422065B (en) * 2005-01-05 2008-12-17 Codian Ltd Video multi-conference unit (MCU)
US7421048B2 (en) * 2005-01-20 2008-09-02 Vixs Systems, Inc. System and method for multimedia delivery in a wireless environment
US20060168637A1 (en) * 2005-01-25 2006-07-27 Collaboration Properties, Inc. Multiple-channel codec and transcoder environment for gateway, MCU, broadcast and video storage applications
US7679638B2 (en) * 2005-01-27 2010-03-16 Polycom, Inc. Method and system for allowing video-conference to choose between various associated video conferences
US7679640B2 (en) * 2005-01-27 2010-03-16 Polycom, Inc. Method and system for conducting a sub-videoconference from a main videoconference
US7609766B2 (en) * 2005-02-08 2009-10-27 Vixs Systems, Inc. System of intra-picture complexity preprocessing
US8949920B2 (en) * 2005-03-17 2015-02-03 Vixs Systems Inc. System and method for storage device emulation in a multimedia processing system
US7400869B2 (en) * 2005-03-22 2008-07-15 Vixs Systems Inc. System and method for adaptive DC offset compensation in wireless transmissions
US8009740B2 (en) * 2005-04-08 2011-08-30 Broadcom Corporation Method and system for a parametrized multi-standard deblocking filter for video compression systems
US7817180B2 (en) * 2005-04-28 2010-10-19 Apple Inc. Video processing in a multi-participant video conference
US7653250B2 (en) * 2005-04-28 2010-01-26 Apple Inc. Adjusting sampling rate for encoding
US7692682B2 (en) * 2005-04-28 2010-04-06 Apple Inc. Video encoding in a video conference
US7949117B2 (en) * 2005-04-28 2011-05-24 Apple Inc. Heterogeneous video conferencing
US7899170B2 (en) * 2005-04-28 2011-03-01 Apple Inc. Multi-participant conference setup
US8861701B2 (en) * 2005-04-28 2014-10-14 Apple Inc. Multi-participant conference adjustments
US7864209B2 (en) * 2005-04-28 2011-01-04 Apple Inc. Audio processing in a multi-participant conference
US20060248210A1 (en) * 2005-05-02 2006-11-02 Lifesize Communications, Inc. Controlling video display mode in a video conferencing system
US7612793B2 (en) * 2005-09-07 2009-11-03 Polycom, Inc. Spatially correlated audio in multipoint videoconferencing
US7707485B2 (en) 2005-09-28 2010-04-27 Vixs Systems, Inc. System and method for dynamic transrating based on content
US20070112826A1 (en) * 2005-11-10 2007-05-17 Vixs Systems, Inc. Multimedia transcoding based on remaining storage capacity
US20070133413A1 (en) * 2005-12-09 2007-06-14 Andrew Pepperell Flow control in a video conference
US8713105B2 (en) * 2006-01-03 2014-04-29 Cisco Technology, Inc. Method and apparatus for transcoding and transrating in distributed video systems
US8131995B2 (en) * 2006-01-24 2012-03-06 Vixs Systems, Inc. Processing feature revocation and reinvocation
US7800642B2 (en) * 2006-03-01 2010-09-21 Polycom, Inc. Method and system for providing continuous presence video in a cascading conference
US7581038B1 (en) 2006-03-16 2009-08-25 Polycom, Inc. Multicast distribution over one or more addressable buses wherein a switch includes a remapping table for inputting address for one or more destinations
EP1840875A1 (de) * 2006-03-31 2007-10-03 Sony Deutschland Gmbh Signalkodierung und -dekodierung mittels Vor- und Nachverarbeitung
US7558823B2 (en) * 2006-05-31 2009-07-07 Hewlett-Packard Development Company, L.P. System and method for managing virtual collaboration systems
US9065667B2 (en) * 2006-09-05 2015-06-23 Codian Limited Viewing data as part of a video conference
US20080068448A1 (en) * 2006-09-18 2008-03-20 Hansen Robert A Method for adapting a device to participate in video conference calls
CN102065270B (zh) * 2006-11-20 2013-09-25 科蒂安有限公司 用于视频会议的硬件架构
US8035679B2 (en) 2006-12-12 2011-10-11 Polycom, Inc. Method for creating a videoconferencing displayed image
US8248455B2 (en) 2006-12-12 2012-08-21 Polycom, Inc. Method for creating a videoconferencing displayed image
US7911955B2 (en) * 2007-01-31 2011-03-22 Hewlett-Packard Development Company, L.P. Coordinated media control system
US8103363B2 (en) * 2007-01-31 2012-01-24 Hewlett-Packard Development Company, L.P. Device control system
US8334891B2 (en) * 2007-03-05 2012-12-18 Cisco Technology, Inc. Multipoint conference video switching
US8358345B1 (en) * 2007-03-19 2013-01-22 Monitoring Technology Corporation System and method of video capture for sports applications
US7953284B2 (en) 2007-03-29 2011-05-31 James Au Selective information handling for video processing
US8422552B2 (en) 2007-03-29 2013-04-16 James Au Entropy coding for video processing applications
US8416857B2 (en) 2007-03-29 2013-04-09 James Au Parallel or pipelined macroblock processing
US8837575B2 (en) * 2007-03-29 2014-09-16 Cisco Technology, Inc. Video processing architecture
US8369411B2 (en) 2007-03-29 2013-02-05 James Au Intra-macroblock video processing
DE102007017003B4 (de) * 2007-04-11 2012-03-01 Inova Semiconductors Gmbh Verfahren und Vorrichtung zum Übertragen von unabhängigen Datenströmen über eine serielle Übertragungsstrecke unter Verwendung von Zeitmultiplex
US8264521B2 (en) 2007-04-30 2012-09-11 Cisco Technology, Inc. Media detection and packet distribution in a multipoint conference
US8233527B2 (en) * 2007-05-11 2012-07-31 Advanced Micro Devices, Inc. Software video transcoder with GPU acceleration
US8861591B2 (en) * 2007-05-11 2014-10-14 Advanced Micro Devices, Inc. Software video encoder with GPU acceleration
US8542266B2 (en) * 2007-05-21 2013-09-24 Polycom, Inc. Method and system for adapting a CP layout according to interaction between conferees
US8289371B2 (en) * 2007-05-21 2012-10-16 Polycom, Inc. Smart cropping of video images in a videoconferencing session
US8446454B2 (en) * 2007-05-21 2013-05-21 Polycom, Inc. Dynamic adaption of a continuous presence videoconferencing layout based on video content
AU2008202703B2 (en) * 2007-06-20 2012-03-08 Mcomms Design Pty Ltd Apparatus and method for providing multimedia content
US8633962B2 (en) 2007-06-22 2014-01-21 Lifesize Communications, Inc. Video decoder which processes multiple video streams
US8139100B2 (en) * 2007-07-13 2012-03-20 Lifesize Communications, Inc. Virtual multiway scaler compensation
US8400491B1 (en) * 2007-08-01 2013-03-19 Sprint Communications Company L.P. Use-based adaptive video client for a bandwidth-constrained network
US9661267B2 (en) * 2007-09-20 2017-05-23 Lifesize, Inc. Videoconferencing system discovery
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
US8179422B2 (en) 2007-12-20 2012-05-15 Cisco Technology, Inc. System and method for video conferencing
US8514265B2 (en) * 2008-10-02 2013-08-20 Lifesize Communications, Inc. Systems and methods for selecting videoconferencing endpoints for display in a composite video image
US20100110160A1 (en) * 2008-10-30 2010-05-06 Brandt Matthew K Videoconferencing Community with Live Images
US8311115B2 (en) 2009-01-29 2012-11-13 Microsoft Corporation Video encoding using previously calculated motion information
US8396114B2 (en) 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
US8228363B2 (en) 2009-01-30 2012-07-24 Polycom, Inc. Method and system for conducting continuous presence conferences
US8456510B2 (en) * 2009-03-04 2013-06-04 Lifesize Communications, Inc. Virtual distributed multipoint control unit
US8643695B2 (en) * 2009-03-04 2014-02-04 Lifesize Communications, Inc. Videoconferencing endpoint extension
US8270473B2 (en) 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US8184142B2 (en) * 2009-06-26 2012-05-22 Polycom, Inc. Method and system for composing video images from a plurality of endpoints
US8305421B2 (en) * 2009-06-29 2012-11-06 Lifesize Communications, Inc. Automatic determination of a configuration for a conference
US8350891B2 (en) * 2009-11-16 2013-01-08 Lifesize Communications, Inc. Determining a videoconference layout based on numbers of participants
US8447023B2 (en) * 2010-02-01 2013-05-21 Polycom, Inc. Automatic audio priority designation during conference
JP4924727B2 (ja) * 2010-02-16 2012-04-25 カシオ計算機株式会社 画像処理装置及び画像処理プログラム
US9516272B2 (en) 2010-03-31 2016-12-06 Polycom, Inc. Adapting a continuous presence layout to a discussion situation
US8570907B2 (en) 2010-04-07 2013-10-29 Apple Inc. Multi-network architecture for media data exchange
WO2011138900A1 (ja) 2010-05-06 2011-11-10 日本電信電話株式会社 映像符号化制御方法および装置
BR112012028184A2 (pt) * 2010-05-07 2016-08-02 Nippon Telegraph & Telephone método de controle de codificação de vídeo, aparelho de codificação de vídeo e programa de codificação de vídeo
CA2798354C (en) 2010-05-12 2016-01-26 Nippon Telegraph And Telephone Corporation A video encoding bit rate control technique using a quantization statistic threshold to determine whether re-encoding of an encoding-order picture group is required
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
US8711736B2 (en) 2010-09-16 2014-04-29 Apple Inc. Audio processing in a multi-participant conference
US8532100B2 (en) 2010-10-19 2013-09-10 Cisco Technology, Inc. System and method for data exchange in a heterogeneous multiprocessor system
US8773993B2 (en) 2011-01-31 2014-07-08 Apple Inc. Adaptive bandwidth estimation
TWI492148B (zh) * 2011-07-08 2015-07-11 Tpv Display Technology Xiamen Wireless Playback System and Its Method
JP2013042492A (ja) 2011-08-11 2013-02-28 Polycom Inc 常駐表示式ビデオ会議においてビデオストリームを切替える方法およびシステム
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
US9001178B1 (en) * 2012-01-27 2015-04-07 Google Inc. Multimedia conference broadcast system
US9386276B2 (en) 2012-03-23 2016-07-05 Polycom, Inc. Method and system for determining reference points in video image frames
US11284133B2 (en) 2012-07-10 2022-03-22 Avago Technologies International Sales Pte. Limited Real-time video coding system of multiple temporally scaled video and of multiple profile and standards based on shared video coding information
US9426498B2 (en) 2012-07-10 2016-08-23 Broadcom Corporation Real-time encoding system of multiple spatially scaled video based on shared video coding information
US20140028788A1 (en) 2012-07-30 2014-01-30 Polycom, Inc. Method and system for conducting video conferences of diverse participating devices
JP5740370B2 (ja) * 2012-09-04 2015-06-24 株式会社東芝 領域特定装置、方法、及びプログラム
US9568985B2 (en) 2012-11-23 2017-02-14 Mediatek Inc. Data processing apparatus with adaptive compression algorithm selection based on visibility of compression artifacts for data communication over camera interface and related data processing method
US9106793B2 (en) * 2013-01-03 2015-08-11 Cisco Technology, Inc. Method and apparatus for motion based participant switching in multipoint video conferences
US9118806B2 (en) * 2013-02-06 2015-08-25 Cisco Technology, Inc. Device and method for multistream bandwidth control in videoconferencing
US9369671B2 (en) * 2013-02-11 2016-06-14 Polycom, Inc. Method and system for handling content in videoconferencing
US10091461B2 (en) 2013-10-15 2018-10-02 Polycom, Inc. System and method for real-time adaptation of a conferencing system to current conditions of a conference session
US10671947B2 (en) * 2014-03-07 2020-06-02 Netflix, Inc. Distributing tasks to workers in a crowd-sourcing workforce
EP3348022A1 (de) * 2015-09-11 2018-07-18 Barco N.V. Verfahren und system zur verbindung elektronischer vorrichtungen
US10805643B2 (en) * 2016-03-30 2020-10-13 Advanced Micro Devices, Inc. Adaptive error-controlled dynamic voltage and frequency scaling for low power video codecs
US10771745B2 (en) * 2016-08-23 2020-09-08 Nec Corporation Image processing apparatus, image processing method, and storage medium having program stored therein
CN111225230B (zh) * 2020-02-20 2022-10-04 腾讯科技（深圳）有限公司 一种网络直播数据的管理方法以及相关装置

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136581A (en) * 1990-07-02 1992-08-04 At&T Bell Laboratories Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communication network
US5216503A (en) 1991-12-24 1993-06-01 General Instrument Corporation Statistical multiplexer for a multichannel image compression system
JPH0654322A (ja) * 1992-07-28 1994-02-25 Fujitsu Ltd 多地点制御装置を用いたｔｖ会議の画像データ適応制御方式
US5408274A (en) 1993-03-11 1995-04-18 The Regents Of The University Of California Method and apparatus for compositing compressed video data
US5453780A (en) 1994-04-28 1995-09-26 Bell Communications Research, Inc. Continous presence video signal combiner
US5585850A (en) * 1994-10-31 1996-12-17 Schwaller; John Adaptive distribution system for transmitting wideband video data over narrowband multichannel wireless communication system
US5629736A (en) 1994-11-01 1997-05-13 Lucent Technologies Inc. Coded domain picture composition for multimedia communications systems
US5751338A (en) 1994-12-30 1998-05-12 Visionary Corporate Technologies Methods and systems for multimedia communications via public telephone networks
US5838664A (en) * 1997-07-17 1998-11-17 Videoserver, Inc. Video teleconferencing system with digital transcoding
US5600646A (en) 1995-01-27 1997-02-04 Videoserver, Inc. Video teleconferencing system with digital transcoding
US5657246A (en) 1995-03-07 1997-08-12 Vtel Corporation Method and apparatus for a video conference user interface
US5563882A (en) 1995-07-27 1996-10-08 At&T Process for converting a point-to-point multimedia call to a bridged multimedia call
US5594725A (en) * 1995-12-28 1997-01-14 Vtel Corporation Process and system for video rate control in a multipoint video conference
US5680392A (en) 1996-01-16 1997-10-21 General Datacomm, Inc. Multimedia multipoint telecommunications reservation systems
US5708732A (en) 1996-03-06 1998-01-13 Hewlett-Packard Company Fast DCT domain downsampling and inverse motion compensation
US5832135A (en) 1996-03-06 1998-11-03 Hewlett-Packard Company Fast method and apparatus for filtering compressed images in the DCT domain
US5862329A (en) 1996-04-18 1999-01-19 International Business Machines Corporation Method system and article of manufacture for multi-casting audio visual material
US5796434A (en) 1996-06-07 1998-08-18 Lsi Logic Corporation System and method for performing motion estimation in the DCT domain with improved efficiency
US5963547A (en) 1996-09-18 1999-10-05 Videoserver, Inc. Method and apparatus for centralized multipoint conferencing in a packet network
SE515535C2 (sv) * 1996-10-25 2001-08-27 Ericsson Telefon Ab L M En transkoder
US5995490A (en) * 1996-12-13 1999-11-30 Siemens Information And Communication Networks, Inc. Method and system for integrating video and data transfers in a multimedia session
US5886734A (en) * 1997-01-28 1999-03-23 Videoserver, Inc. Apparatus and method for storage and playback of video images and audio messages in multipoint videoconferencing
US5951637A (en) 1997-05-07 1999-09-14 Intel Corporation Bandwidth reservation system
US5961589A (en) 1997-09-09 1999-10-05 Intel Corporation Emulation of analog modem signaling over IDSN for translation-less interoperability with PSTN based H.324 system
US6058143A (en) * 1998-02-20 2000-05-02 Thomson Licensing S.A. Motion vector extrapolation for transcoding video sequences
US6154778A (en) * 1998-05-19 2000-11-28 Hewlett-Packard Company Utility-based multi-category quality-of-service negotiation in distributed systems
US6219412B1 (en) * 1999-05-05 2001-04-17 Spiderphone.Com, Inc. Choice of guaranteed vs. bumpable conference call reservations
US6300973B1 (en) * 2000-01-13 2001-10-09 Meir Feder Method and system for multimedia communication control
CA2303000A1 (en) * 2000-03-23 2001-09-23 William M. Snelgrove Establishing and managing communications over telecommunication networks

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