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公开(公告)号：KR1020110037824A
公开(公告)日：2011-04-13
申请号：KR1020100060555
申请日：2010-06-25
Applicant: 한국전자통신연구원
CPC classification number: H04N21/21805 , H04N5/44591 , H04N21/6587
Abstract: PURPOSE: A multi angel broadcasting service providing system is provided to supply a multi angel broadcasting service by minimizing the change of a receiver. CONSTITUTION: A receiving unit(310) receives an source image photographed form a plurality of times. A multi screen image generation unit(320) generates a multi screen image including the plurality of source image. A transmitting unit transmits the multi screen image to a receiving device(350). The multi screen image generation unit generates the multi screen image to enable the size of a specific source image among a plurality of source images to be bigger than the size of another source images.
Abstract translation: 目的：提供一种多天使广播服务提供系统，通过最小化接收机的变化来提供多天使广播服务。 构成：接收单元（310）接收多次拍摄的源图像。 多画面图像生成部（320）生成包含多个源图像的多画面图像。 发送单元将多画面图像发送到接收装置（350）。 多屏图像生成单元生成多画面图像，使多个源图像中的特定源图像的大小能够大于另一个源图像的大小。
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公开(公告)号：KR1020110055791A
公开(公告)日：2011-05-26
申请号：KR1020090112351
申请日：2009-11-20
Applicant: 한국전자통신연구원
IPC: H04L12/18 , H04L12/761
Abstract: PURPOSE: An overlay multicast system and method thereof for a group media transmission application service are provided to perform merge, partition, transmission of additional stream and main stream that is inputted from a parent node. CONSTITUTION: A merge unit(110) merges additional stream in multi stream and main stream that is inputted from a parent node. A division unit(120) selectively divides main stream or additional stream from multi stream. A recording unit(130) records stream correlation information. An analysis unit(140) determines the merge of stream in a corresponding node.
Abstract translation: 目的：提供用于组媒体传输应用服务的覆盖多播系统及其方法，用于执行从父节点输入的附加流和主流的合并，分区，传输。 构成：合并单元（110）合并从父节点输入的多流中的附加流和主流。 分割单元（120）选择性地从多流中划分主流或附加流。 记录单元（130）记录流相关信息。 分析单元（140）确定流在相应节点中的合并。
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公开(公告)号：KR1020100061265A
公开(公告)日：2010-06-07
申请号：KR1020090017032
申请日：2009-02-27
Applicant: 한국전자통신연구원
IPC: H04N21/236
CPC classification number: H04N21/2365 , H04N19/176 , H04N21/23418 , H04N21/4758
Abstract: PURPOSE: An apparatus for mixing a video stream and a method thereof are provided to guarantee real time characteristic in the mixture of a plurality of video streams by mixing compacted video streams as one of compacted video of the desired screen configuration in the compressed domain. CONSTITUTION: An input buffer unit(10) receives the input of a plurality of compacted video streams. A stream analyzing unit(20) analyzes the bit string of the inputted video stream. A stream mixing unit(30) selectively varies slider header area of a plurality of compacted video stream bit strings according to the screen configuration based on the analyzed result. An output buffer unit(40) outputs the mixed compacted video stream according to the slice header zone change.
Abstract translation: 目的：提供一种用于混合视频流的装置及其方法，以通过将压缩的视频流混合为压缩域中期望的屏幕配置的压缩视频之一来保证多个视频流的混合中的实时特性。 构成：输入缓冲器单元（10）接收多个压缩视频流的输入。 流分析单元（20）分析输入视频流的位串。 流混合单元（30）基于分析结果，根据屏幕配置选择性地改变多个压缩视频流比特串的滑块头部区域。 输出缓冲器单元（40）根据切片标题区域改变输出混合压缩视频流。
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公开(公告)号：KR101367458B1
公开(公告)日：2014-02-26
申请号：KR1020100060555
申请日：2010-06-25
Applicant: 한국전자통신연구원
Abstract: 본 발명은 멀티 앵글 방송 서비스 제공 시스템을 제공한다. 전송 장치는 하나의 이벤트를 다양한 각도에서 촬영한 소스 영상들뿐만 아니라 소스 영상들을 포함하는 멀티 화면 영상을 수신 장치로 전송한다. 수신 장치는 멀티 화면 영상을 수신하고, 사용자의 선택에 따라서 소스 영상을 디코딩할 수 있다.
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Patent Agency Ranking6.发明授权시청률 예측 연동 복수 멀티캐스트를 이용한 고속 채널 전환을 위한 채널 서버, 채널 예측 서버, 단말기 및 그 방법 失效频道预测，频道预测服务器，基于具有程序分级预测的多播多播的快速频道更改系统的终端和方法
公开(公告)号：KR101268629B1
公开(公告)日：2013-05-29
申请号：KR1020090106313
申请日：2009-11-05
Applicant: 한국전자통신연구원
IPC: H04L12/18 , H04N21/6405 , H04N21/262 , H04N21/438
CPC classification number: G06F15/16 , G06Q30/02 , H04L29/06 , H04L65/4084 , H04L65/80 , H04N7/173 , H04N21/251 , H04N21/2625 , H04N21/4384 , H04N21/4622 , H04N21/6405
Abstract: 채널서버, 채널예측서버, 단말기및 그방법이개시된다. 채널서버는채널선호정보를기반으로원본멀티캐스트스트림으로부터서로다른지연값을적용하여적어도하나의지연멀티캐스트스트림을생성하고, 단말기로부터상기원본멀티캐스트스트림에관한질의정보를수신함에따라, 상기지연멀티캐스트스트림중 최적멀티캐스트스트림을결정하고, 상기최적멀티캐스트스트림과연관된응답정보를상기단말기로송신할수 있다.
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公开(公告)号：KR101152956B1
公开(公告)日：2012-06-08
申请号：KR1020080119464
申请日：2008-11-28
Applicant: 한국전자통신연구원
IPC: H04L12/805 , H04L29/06 , H04L12/18
CPC classification number: H04L69/16 , H04L69/161 , H04L69/164 , H04L69/166
Abstract: 멀티캐스트환경및 유니캐스트환경에서발생할수 있는중복 IP 패킷분할을검출하는장치가개시된다. 본발명의중복분할패킷검출장치는, 수신된패킷을캡처하는패킷캡처부; 상기캡처된패킷이중복분할된패킷인지를검출하는중복분할검출부; 및상기검출된패킷이중복분할된패킷이면, 상기중복분할검출부에의해획득된경로최대전송단위(Path Maximum Transmission Unit) 정보를상기패킷을송출한서버로전송하는경로최대전송단위정보전송부;를포함한다. 이에의해서버로하여금경로최대전송단위를재조정하여패킷을송출할수 있게함으로써, IP 패킷의중복분할을방지한다.
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9.发明公开
公开(公告)号：KR1020100061269A
公开(公告)日：2010-06-07
申请号：KR1020090018893
申请日：2009-03-05
Applicant: 한국전자통신연구원
IPC: H04N21/266 , H04L12/28
CPC classification number: H04N21/266 , H04N21/4756
Abstract: PURPOSE: A broadcasting terminal and a method for providing broadcasting service by cooperation with other terminals based on overlay multicast environment are provided to supply real time broadcasting service through a broadcasting channel by setting the broadcasting channel through inter-terminal collaboration. CONSTITUTION: A broadcasting terminal(1) comprises a channel generation unit(10) and a channel decision unit(20). The channel generating unit generates a virtual channel according to the contents. The class of the contents is differentiated. The channel decision unit sets the virtual channel for the contents providing through the collaboration with other broadcasting terminal. The channel decision unit provides the contents to the set virtual channel. The channel decision unit sets one virtual channel through the merge of the generated virtual channel.
Abstract translation: 目的：提供广播终端和基于覆盖多播环境与其他终端协作提供广播服务的方法，通过终端间协作设置广播频道，通过广播频道提供实时广播服务。 广播终端（1）包括信道生成单元（10）和信道判定单元（20）。 信道生成单元根据内容生成虚拟信道。 内容的类别是有区别的。 信道决定单元通过与其他广播终端的协作来设置提供的内容的虚拟频道。 信道决定单元向所设置的虚拟信道提供内容。 信道决定单元通过生成的虚拟信道的合并来设置一个虚拟信道。
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公开(公告)号：KR1020100060736A
公开(公告)日：2010-06-07
申请号：KR1020080119464
申请日：2008-11-28
Applicant: 한국전자통신연구원
IPC: H04L12/805 , H04L29/06 , H04L12/18
CPC classification number: H04L69/16 , H04L69/161 , H04L69/164 , H04L69/166
Abstract: PURPOSE: A route maximum transfer unit control system according to the duplication division packet detection and a method thereof are provided to detect the multicast environment, the duplication IP packet segmentation and reduce the loss of the packet. CONSTITUTION: A packet capture unit(411) captures a received packet to a quality measuring apparatus. A duplicatedly division detector(412) detects the packet in which the captured packet. The detected packet transmits maximum transmission information to PMTU(Path Maximum Transmission Unit) information transmission unit(414). The route maximum transfer unit information obtains with the duplication division detection unit.
Abstract translation: 目的：提供一种根据复制分组检测的路由最大传输单元控制系统及其方法，用于检测组播环境，复制IP分组，减少分组丢失。 构成：分组捕获单元（411）将接收的分组捕获到质量测量装置。 复制分割检测器（412）检测捕获的分组的分组。 所检测的分组向PMTU（路径最大传输单元）信息发送单元（414）发送最大传输信息。 路由最大传送单元信息与复制分割检测单元获得。
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