JPWO2010024102A1 - 動画像データの配信方法 - Google Patents
動画像データの配信方法 Download PDFInfo
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- JPWO2010024102A1 JPWO2010024102A1 JP2010526638A JP2010526638A JPWO2010024102A1 JP WO2010024102 A1 JPWO2010024102 A1 JP WO2010024102A1 JP 2010526638 A JP2010526638 A JP 2010526638A JP 2010526638 A JP2010526638 A JP 2010526638A JP WO2010024102 A1 JPWO2010024102 A1 JP WO2010024102A1
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
-
- 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- 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
- H04N21/43—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
- 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
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory 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]
- H04N21/40—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
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6373—Control signals issued by the client directed to the server or network components for rate control, e.g. request to the server to modify its transmission 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
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6582—Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (8)
- 複数の画像フレームから構成された動画像データを、ネットワークを介して互いに接続された複数の情報端末間において送受信するための動画像データの配信方法であって、
前記複数の情報端末間における双方向データ通信の一態様として送信側情報端末から受信側情報端末への前記動画像データの配信動作において、
前記受信側情報端末は、所定の時間間隔で動画像データの送信要求を送信元となる前記送信側情報端末に対し繰り返す際、該送信要求を行う時点における前記ネットワークの帯域制限に起因する画像フレーム受信可能量、及び、自己の画像フレーム表示処理の負荷許容量のうち少なくとも何れか一方のデータ量を予め計算し、受信制限情報として、該データ量、及び、該データ量の算出根拠となるデータ構造要素のうち少なくとも何れか一方の上限値を、前記送信側情報端末に逐次通知することを特徴とする動画像データの配信方法。 - 請求項1記載の動画像データの配信方法において、
前記受信側端末装置から送信要求を受けた前記送信側情報端末は、受信した前記受信制限情報で指示されたデータ構造要素について、送信要求を受けた時点における自己の負荷許容範囲内に収まるデータ量、及び、前記受信側情報端末から要求されたデータ量のうち少なくとも何れか一方に合わせてそのデータ量が制限された動画像データを、送信要求を通知してきた前記受信側情報端末に送信する。 - 請求項1記載の動画像データの配信方法であって、
前記複数の情報端末間における双方向データ通信の一態様として、二以上の送信側情報端末から受信側情報端末への前記動画像データの配信動作において、
前記受信側情報端末は、画像フレーム表示処理が可能な自己のタイミングで、前記二以上の送信側情報端末の何れかに送信要求信号を送信する。 - 請求項3記載の動画像データの配信方法において、
前記二以上の送信側情報端末のうち前記タイミングで発せられた送信要求信号を受信した送信側情報端末のみが該受信側情報端末から要求されたデータ量の動画像データを前記受信側情報端末に送信する一方、残りの送信側情報端末は、自己への送信要求を受信するまで動画像データの送信待機状態となる。 - 請求項1〜4の何れか一項記載の動画像データの配信方法において、
前記データ構造要素は、画像フレームに関する送受信単位の単位時間当たりの数、画像解像度、及び一画素当たりのビット数の少なくとも何れかを含む。 - 請求項5記載の動画像データの配信方法において、
前記動画像データは、時間軸方向に圧縮されることなくそれぞれが前画像フレームとは独立に再生可能な画像フレームから構成されており、
前記画像フレームに関する送受信単位は、前記動画像データを構成する各画像フレームに相当する。 - 請求項5記載の動画像データの配信方法において、
前記動画像データは、それぞれが複数の画像フレームを含むとともに、時間軸方向から見て前に位置する画像フレームとは独立に再生可能な複数のフレーム群から構成されており、
前記画像フレームに関する送受信単位は、前記動画像データを構成する各フレーム群に相当する。 - 請求項1〜7の何れか一項記載の動画像データの配信方法において、
前記複数の情報端末それぞれは、画像フレームに関する送受信単位の数について、自己の情報端末が前記動画像データの送信元となったときの、単位時間当たりに送信可能な上限値を指示する送信制限情報を、該動画像データの送信に先立ち、予め他の情報端末に通知しておく。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010526638A JP5664241B2 (ja) | 2008-08-28 | 2009-08-06 | 動画像データの配信方法 |
Applications Claiming Priority (4)
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JP2008220027 | 2008-08-28 | ||
JP2008220027 | 2008-08-28 | ||
JP2010526638A JP5664241B2 (ja) | 2008-08-28 | 2009-08-06 | 動画像データの配信方法 |
PCT/JP2009/063954 WO2010024102A1 (ja) | 2008-08-28 | 2009-08-06 | 動画像データの配信方法 |
Publications (2)
Publication Number | Publication Date |
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JPWO2010024102A1 true JPWO2010024102A1 (ja) | 2012-01-26 |
JP5664241B2 JP5664241B2 (ja) | 2015-02-04 |
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JP2010526638A Expired - Fee Related JP5664241B2 (ja) | 2008-08-28 | 2009-08-06 | 動画像データの配信方法 |
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US (1) | US8839330B2 (ja) |
EP (1) | EP2323384A4 (ja) |
JP (1) | JP5664241B2 (ja) |
KR (1) | KR101539812B1 (ja) |
CN (1) | CN102138336B (ja) |
BR (1) | BRPI0918264A2 (ja) |
CA (1) | CA2735728A1 (ja) |
WO (1) | WO2010024102A1 (ja) |
Families Citing this family (7)
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KR20140007647A (ko) * | 2012-07-10 | 2014-01-20 | 삼성전자주식회사 | 영상 통신 시스템에서 컬러 정보를 교섭하는 방법 및 장치 |
JP5949326B2 (ja) * | 2012-08-24 | 2016-07-06 | 住友電気工業株式会社 | 映像データ配信装置およびそれを含む双方向対話システム |
US10250652B2 (en) | 2014-03-05 | 2019-04-02 | Ricoh Company, Limited | Data transmission system, terminal device, program, and method |
CN105337923B (zh) * | 2014-05-26 | 2019-07-12 | 腾讯科技(北京)有限公司 | 数据分发方法和系统及数据发送装置和数据接收装置 |
EP3016383B1 (en) * | 2014-11-03 | 2017-06-21 | Axis AB | Method, device, and system for pre-processing a video stream for subsequent motion detection processing |
KR101730114B1 (ko) * | 2015-03-25 | 2017-04-25 | 네이버 주식회사 | 만화 데이터 표시 장치, 방법 및 컴퓨터 프로그램 |
US10438395B2 (en) | 2015-03-25 | 2019-10-08 | Naver Corporation | Apparatus, method and computer program for displaying cartoon content |
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JPH0774830A (ja) * | 1993-06-22 | 1995-03-17 | Canon Inc | マルチメディア情報通信装置 |
JP3630474B2 (ja) * | 1995-07-14 | 2005-03-16 | 沖電気工業株式会社 | 動画像伝送システム及び動画像伝送装置 |
DE69740053D1 (de) * | 1996-08-07 | 2010-12-30 | Panasonic Corp | Vorrichtung zur decodierung und codierung von bild und ton, und informationsübertragungssystem |
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JPH11161571A (ja) | 1997-11-27 | 1999-06-18 | Fujitsu Ltd | 適応的伝送制御システム |
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JP2001204002A (ja) | 2000-01-20 | 2001-07-27 | Nec Eng Ltd | 画像伝送方式 |
JP3948597B2 (ja) | 2000-03-08 | 2007-07-25 | Kddi株式会社 | 動画像圧縮符号化送信装置、受信装置および送受信装置 |
JP2003078893A (ja) * | 2001-09-05 | 2003-03-14 | Nec Corp | 映像伝送機能付き携帯型端末装置、及びそれに適用される映像伝送方法 |
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WO2009017229A1 (ja) * | 2007-08-01 | 2009-02-05 | Nec Corporation | 動画像データ配信システム、その方法及びそのプログラム |
-
2009
- 2009-08-06 US US13/061,298 patent/US8839330B2/en not_active Expired - Fee Related
- 2009-08-06 KR KR1020117006683A patent/KR101539812B1/ko not_active IP Right Cessation
- 2009-08-06 WO PCT/JP2009/063954 patent/WO2010024102A1/ja active Application Filing
- 2009-08-06 CA CA2735728A patent/CA2735728A1/en not_active Abandoned
- 2009-08-06 CN CN200980133988.6A patent/CN102138336B/zh not_active Expired - Fee Related
- 2009-08-06 JP JP2010526638A patent/JP5664241B2/ja not_active Expired - Fee Related
- 2009-08-06 EP EP09809756A patent/EP2323384A4/en not_active Ceased
- 2009-08-06 BR BRPI0918264A patent/BRPI0918264A2/pt active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
BRPI0918264A2 (pt) | 2015-12-15 |
CA2735728A1 (en) | 2010-03-04 |
CN102138336A (zh) | 2011-07-27 |
US8839330B2 (en) | 2014-09-16 |
EP2323384A4 (en) | 2013-03-13 |
KR20110058841A (ko) | 2011-06-01 |
JP5664241B2 (ja) | 2015-02-04 |
KR101539812B1 (ko) | 2015-07-27 |
US20110239264A1 (en) | 2011-09-29 |
EP2323384A1 (en) | 2011-05-18 |
CN102138336B (zh) | 2014-07-16 |
WO2010024102A1 (ja) | 2010-03-04 |
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