JP5072572B2 - サーバ - Google Patents

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Publication number
JP5072572B2
JP5072572B2 JP2007327948A JP2007327948A JP5072572B2 JP 5072572 B2 JP5072572 B2 JP 5072572B2 JP 2007327948 A JP2007327948 A JP 2007327948A JP 2007327948 A JP2007327948 A JP 2007327948A JP 5072572 B2 JP5072572 B2 JP 5072572B2
Authority
JP
Japan
Prior art keywords
frame
error
frames
encoded
decoder
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.)
Expired - Fee Related
Application number
JP2007327948A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008219862A (ja
JP2008219862A5 (enExample
Inventor
ル フロッシュ エルヴェ
エノック グザヴィエ
トマース ロナン
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from FR0655646A external-priority patent/FR2910218A1/fr
Application filed by Canon Inc filed Critical Canon Inc
Publication of JP2008219862A publication Critical patent/JP2008219862A/ja
Publication of JP2008219862A5 publication Critical patent/JP2008219862A5/ja
Application granted granted Critical
Publication of JP5072572B2 publication Critical patent/JP5072572B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • 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
    • H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
    • 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
    • H04N19/177—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 group of pictures [GOP]
    • 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
    • H04N19/179—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 scene or a shot
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/85—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
    • 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
    • H04N19/895—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 in combination with error concealment
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6583—Acknowledgement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/88—Signal drop-out compensation
    • H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
JP2007327948A 2006-12-19 2007-12-19 サーバ Expired - Fee Related JP5072572B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0655646 2006-12-19
FR0655646A FR2910218A1 (fr) 2006-12-19 2006-12-19 Procedes et dispositifs de re-synchronisation lente d'un flux video endommage
FR0757905 2007-09-27
FR0757905A FR2910211A1 (fr) 2006-12-19 2007-09-27 Procedes et dispositifs pour re-synchroniser un flux video endommage.

Publications (3)

Publication Number Publication Date
JP2008219862A JP2008219862A (ja) 2008-09-18
JP2008219862A5 JP2008219862A5 (enExample) 2011-01-20
JP5072572B2 true JP5072572B2 (ja) 2012-11-14

Family

ID=39273316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007327948A Expired - Fee Related JP5072572B2 (ja) 2006-12-19 2007-12-19 サーバ

Country Status (4)

Country Link
US (1) US8494061B2 (enExample)
EP (1) EP1937000B1 (enExample)
JP (1) JP5072572B2 (enExample)
FR (1) FR2910211A1 (enExample)

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US8340179B2 (en) * 2006-03-21 2012-12-25 Canon Kabushiki Kaisha Methods and devices for coding and decoding moving images, a telecommunication system comprising such a device and a program implementing such a method
FR2907575B1 (fr) * 2006-10-18 2009-02-13 Canon Res Ct France Soc Par Ac Procede et dispositif de codage d'images representant des vues d'une meme scene
FR2915342A1 (fr) * 2007-04-20 2008-10-24 Canon Kk Procede et dispositif de codage video
US8897364B2 (en) * 2007-08-31 2014-11-25 Canon Kabushiki Kaisha Method and device for sequence decoding with error concealment
FR2920632A1 (fr) * 2007-08-31 2009-03-06 Canon Kk Procede et dispositif de decodage de sequences video avec masquage d'erreurs
FR2929787B1 (fr) 2008-04-04 2010-12-17 Canon Kk Procede et dispositif de traitement d'un flux de donnees
FR2930387B1 (fr) * 2008-04-17 2010-09-24 Canon Kk Procede de traitement d'un flux de donnees codes
FR2931025B1 (fr) * 2008-05-07 2010-05-21 Canon Kk Procede de determination d'attributs de priorite associes a des conteneurs de donnees, par exemple dans un flux video, procede de codage, programme d'ordinateur et dispositifs associes
FR2932050B1 (fr) * 2008-06-03 2010-05-21 Canon Kk Procede et dispositif de transmission de donnees video
FR2939593B1 (fr) * 2008-12-09 2010-12-31 Canon Kk Procede et dispositif de codage video
US8387045B2 (en) * 2009-03-12 2013-02-26 International Business Machines Corporation Cloning image creation using virtual machine environment
EP2257073A1 (en) * 2009-05-25 2010-12-01 Canon Kabushiki Kaisha Method and device for transmitting video data
EP2265026A1 (en) * 2009-06-16 2010-12-22 Canon Kabushiki Kaisha Method and device for deblocking filtering of SVC type video streams during decoding
EP2285122B1 (en) * 2009-07-17 2013-11-13 Canon Kabushiki Kaisha A method and device for reconstructing a sequence of video data after transmission over a network
US8438131B2 (en) * 2009-11-06 2013-05-07 Altus365, Inc. Synchronization of media resources in a media archive
FR2955995B1 (fr) * 2010-02-04 2012-02-17 Canon Kk Procede et dispositif de traitement d'une sequence video
JP5588949B2 (ja) * 2011-09-30 2014-09-10 富士フイルム株式会社 内視鏡システム及び内視鏡の外部制御装置
US9906815B2 (en) * 2011-11-08 2018-02-27 Texas Instruments Incorporated Delayed duplicate I-picture for video coding
WO2013126284A2 (en) * 2012-02-24 2013-08-29 Vid Scale, Inc. Video coding using packet loss detection
CN102685509A (zh) * 2012-04-26 2012-09-19 中山大学 一种基于场景转换的视频差错控制方法
CN103634577B (zh) * 2012-08-22 2014-12-31 华为技术有限公司 多媒体质量的监控方法和设备
GB2505912B (en) * 2012-09-14 2015-10-07 Canon Kk Method and device for generating a description file, and corresponding streaming method
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GB2525137A (en) * 2013-08-30 2015-10-21 Amberfin Ltd Conversion of video frame rate
CN105451071B (zh) * 2015-11-18 2021-05-07 腾讯科技（深圳）有限公司 一种视频流的处理方法、装置和系统
CN110971457B (zh) * 2019-11-20 2022-05-24 西华大学 一种基于elm的时间同步方法
US11811541B2 (en) 2020-09-08 2023-11-07 Qualcomm Incorporated Sending feedback at radio access network level

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Also Published As

Publication number Publication date
JP2008219862A (ja) 2008-09-18
US20080144725A1 (en) 2008-06-19
FR2910211A1 (fr) 2008-06-20
US8494061B2 (en) 2013-07-23
EP1937000A2 (en) 2008-06-25
EP1937000A3 (en) 2011-11-02
EP1937000B1 (en) 2015-10-28

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