JP5031230B2 - データ送信装置及び方法 - Google Patents

データ送信装置及び方法 Download PDF

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Publication number
JP5031230B2
JP5031230B2 JP2005342841A JP2005342841A JP5031230B2 JP 5031230 B2 JP5031230 B2 JP 5031230B2 JP 2005342841 A JP2005342841 A JP 2005342841A JP 2005342841 A JP2005342841 A JP 2005342841A JP 5031230 B2 JP5031230 B2 JP 5031230B2
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JP
Japan
Prior art keywords
moving image
image data
encoding
encoded
frame
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
JP2005342841A
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English (en)
Japanese (ja)
Other versions
JP2007150755A (ja
JP2007150755A5 (enExample
Inventor
利之 中川
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005342841A priority Critical patent/JP5031230B2/ja
Priority to US11/562,236 priority patent/US8811478B2/en
Publication of JP2007150755A publication Critical patent/JP2007150755A/ja
Publication of JP2007150755A5 publication Critical patent/JP2007150755A5/ja
Application granted granted Critical
Publication of JP5031230B2 publication Critical patent/JP5031230B2/ja
Anticipated expiration legal-status Critical
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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]
    • H04N21/20—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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • 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
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/172—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 picture, frame or field
    • 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]
    • H04N21/60—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
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H04N21/6379—Control signals issued by the client directed to the server or network components directed to server directed to encoder, e.g. for requesting a lower encoding rate
    • 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
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2005342841A 2005-11-28 2005-11-28 データ送信装置及び方法 Expired - Fee Related JP5031230B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005342841A JP5031230B2 (ja) 2005-11-28 2005-11-28 データ送信装置及び方法
US11/562,236 US8811478B2 (en) 2005-11-28 2006-11-21 Data transmission method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005342841A JP5031230B2 (ja) 2005-11-28 2005-11-28 データ送信装置及び方法

Publications (3)

Publication Number Publication Date
JP2007150755A JP2007150755A (ja) 2007-06-14
JP2007150755A5 JP2007150755A5 (enExample) 2009-01-15
JP5031230B2 true JP5031230B2 (ja) 2012-09-19

Family

ID=38087650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005342841A Expired - Fee Related JP5031230B2 (ja) 2005-11-28 2005-11-28 データ送信装置及び方法

Country Status (2)

Country Link
US (1) US8811478B2 (enExample)
JP (1) JP5031230B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010028378A (ja) * 2008-07-17 2010-02-04 Canon Inc 通信装置及び通信方法
JP5197238B2 (ja) * 2008-08-29 2013-05-15 キヤノン株式会社 映像送信装置、その制御方法、および制御方法を実行するプログラム
KR101588601B1 (ko) 2010-12-13 2016-01-29 한국전자통신연구원 참조 유닛 결정 방법 및 장치
CN107147919B (zh) * 2017-06-19 2020-11-27 网宿科技股份有限公司 直播快速启播方法及系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05252511A (ja) 1992-03-06 1993-09-28 Nippon Telegr & Teleph Corp <Ntt> 画像分配装置
JPH06189295A (ja) * 1992-12-18 1994-07-08 Kyocera Corp 動画像符号化装置
JP3330797B2 (ja) * 1995-10-02 2002-09-30 富士通株式会社 動画像データ格納方式および動画像データ復号方式
JP3631123B2 (ja) * 2000-10-03 2005-03-23 三洋電機株式会社 デジタル放送受信装置
JP3718427B2 (ja) * 2000-12-15 2005-11-24 株式会社日立製作所 カメラ装置、端末装置及びカメラ監視システム
JP2002305733A (ja) 2001-04-06 2002-10-18 Matsushita Electric Ind Co Ltd マルチキャスト会議装置、及びマルチキャスト会議プログラム
US6792449B2 (en) * 2001-06-28 2004-09-14 Microsoft Corporation Startup methods and apparatuses for use in streaming content
JP2003018568A (ja) * 2001-06-29 2003-01-17 Matsushita Electric Ind Co Ltd 再生システム、サーバ装置及び再生装置
US8397269B2 (en) * 2002-08-13 2013-03-12 Microsoft Corporation Fast digital channel changing
US7603689B2 (en) * 2003-06-13 2009-10-13 Microsoft Corporation Fast start-up for digital video streams
US7562375B2 (en) * 2003-10-10 2009-07-14 Microsoft Corporation Fast channel change
US7668914B2 (en) * 2005-03-28 2010-02-23 Alcatel Lucent Milestone synchronization in broadcast multimedia streams
JP2006345169A (ja) * 2005-06-08 2006-12-21 Matsushita Electric Ind Co Ltd デジタルテレビ受信端末装置

Also Published As

Publication number Publication date
JP2007150755A (ja) 2007-06-14
US20070122123A1 (en) 2007-05-31
US8811478B2 (en) 2014-08-19

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