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    • 2. 发明申请
    • SYSTEM AND METHOD FOR CONTINUOUS PLAYING OF MOVING PICTURE BETWEEN TWO DEVICES
    • 用于连续播放两个设备之间移动图像的系统和方法
    • WO2010002080A1
    • 2010-01-07
    • PCT/KR2008/007290
    • 2008-12-10
    • SK TELECOM CO., LTD.BAE, Tae Meon
    • BAE, Tae Meon
    • H04W8/20
    • H04L65/4076H04L65/607
    • The present invention relates to a system and method for playing an identical moving picture on different types of devices, in which one terminal registers both a moving picture played thereon and the play information thereof in a server, and another terminal can download the moving picture and the play information from the server and continuously play the moving picture from a scene at which the playing thereof had previously been terminated. A server according to the present invention includes a communication unit (410) for communicating with a user terminal. A picture management unit (420) receives a moving picture and play information thereof from the user terminal, and provides the moving picture and the play information to a terminal which is of a type different from that of the user terminal. A picture information database (430) stores the moving picture and the play information.
    • 本发明涉及一种用于在不同类型设备上播放相同运动图像的系统和方法,其中一个终端将在其上播放的运动图像及其播放信息注册到服务器中,另一个终端可以下载运动图像, 来自服务器的播放信息,并且从播放之前已经终止的场景连续地播放动态图像。 根据本发明的服务器包括用于与用户终端通信的通信单元(410)。 图像管理单元(420)从用户终端接收运动图像和播放信息,并将运动图像和播放信息提供给与用户终端的类型不同的终端。 图像信息数据库(430)存储运动图像和播放信息。
    • 3. 发明申请
    • MOTION PICTURE CODING DEVICE AND METHOD
    • 运动图像编码装置及方法
    • WO2009139528A1
    • 2009-11-19
    • PCT/KR2008/006657
    • 2008-11-12
    • SK TELECOM CO., LTD.BAE, Tae Meon
    • BAE, Tae Meon
    • H04N7/24
    • H04N19/61
    • The present invention relates to a motion picture encoding apparatus and method for performing encoding on a motion picture, which has already been edited, simultaneously with a motion picture edition process, thereby being capable of significantly reducing the time that it takes to encode motion pictures. The picture encoding apparatus according to the present invention includes an input unit inputting a command to edit motion picture data, a motion picture editing unit editing the motion picture data according to the editing command, a motion picture encoding unit encoding the edited motion picture data, a storage unit for storing the encoded motion picture data, and a control unit which controls the motion picture editing unit so that the motion picture editing unit edits motion picture data and, at the same time, controls the motion picture encoding unit so that the motion picture encoding unit encodes edited data.
    • 本发明涉及一种运动图像编码装置和方法,用于与运动图像编辑处理同时对已经编辑的运动图像进行编码,由此能够显着地减少编码运动图像所需的时间。 根据本发明的图像编码装置包括:输入单元,输入编辑运动图像数据的命令;运动图像编辑单元,根据编辑命令编辑运动图像数据;运动图像编码单元,编辑编辑的运动图像数据; 用于存储编码的运动图像数据的存储单元,以及控制单元,其控制运动图像编辑单元,使得运动图像编辑单元编辑运动图像数据,并且同时控制运动图像编码单元,使得运动 图像编码单元对编辑的数据进行编码。
    • 4. 发明申请
    • SCALABLE VIDEO PROVIDING AND REPRODUCING SYSTEM AND METHODS THEREOF
    • 可扩展视频提供和再现系统及其方法
    • WO2009131286A1
    • 2009-10-29
    • PCT/KR2008/006656
    • 2008-11-12
    • SK TELECOM CO., LTD.BAE, Tae Meon
    • BAE, Tae Meon
    • H04L29/06
    • H04L65/607H04L65/4084H04N19/30H04N21/234327H04N21/4621H04N21/6377H04N21/8451
    • Disclosed hereinafter is a scalable video providing system and method. The scalable video providing system of the present invention includes a terminal apparatus for, in the case in which a full SVC video, having a higher scalability than that of a base layer SVC video previously stored in the terminal apparatus, is to be displayed, transmitting a request query to request a enhancement layer svc bit stream, which is further required, to the outside based on the base layer SVC video; and a content providing server for, when the request query is received, searching for required pertinent content based on the request query and providing the enhancement layer svc bit stream, corresponding to the remaining scalable video other than the base layer SVC video of the searched content, to the terminal apparatus.
    • 以下公开的是可扩展视频提供系统和方法。 本发明的可分级视频提供系统包括:终端装置,用于在显示具有比先前存储在终端装置中的基本层SVC视频的可扩展性更高的完整SVC视频的情况下,发送 基于所述基本层SVC视频向所述外部请求进一步要求增强层svc比特流的请求查询; 以及内容提供服务器,用于当接收到所述请求查询时,基于所述请求查询搜索所需的相关内容并提供所述增强层svc比特流,所述增强层svc比特流对应于所搜索内容的基本层SVC视频之外的剩余可分级视频 ,到终端设备。
    • 7. 发明公开
    • IMAGE ENCRYPTING/DECRYPTING SYSTEM AND METHOD
    • 图像加密/解密系统和方法
    • EP2326088A1
    • 2011-05-25
    • EP09806779.6
    • 2009-05-11
    • SK Telecom. Co., Ltd.
    • BAE, Tae Meon
    • H04N7/167
    • H04N7/1675H04N21/234309H04N21/2347H04N21/4405
    • The present invention relates to an image encrypting/decrypting system and method devised in such a way that: a transmitter and a receiver for transmitting and receiving moving images share a seed for encrypting and decrypting the moving images; the transmitter transmits moving images after encrypting the moving images by dividing them into segment units and mixing the time sequencing of the images in each of the segments in accordance with a random number generated by means of the seed; and the receiver decrypts the moving images which it receives, by sorting them in segment units and then restoring the time sequencing of the images in each of the segments in accordance with the random number generated by means of the seed. The present invention makes it possible to effectively implement the function of encrypting after having carried out transcoding even in cases involving an alteration to the frame or an increase in resolution in an encrypted moving image, and also makes it possible to resolve the problem of having to encrypt/decrypt before/after carrying out transcoding in cases where a compressed moving image is being encrypted.
    • 本发明涉及这样设计的图像加密/解密系统和方法:用于发送和接收运动图像的发射机和接收机共享用于加密和解密运动图像的种子; 所述发送器在通过将运动图像划分为分段单元来加密所述运动图像之后发送运动图像,并且根据通过所述种子生成的随机数来混合每个分段中的图像的时间排序; 并且接收器通过以段为单位对它们进行排序然后根据通过种子生成的随机数来恢复每个段中的图像的时间排序来解密它接收到的运动图像。 即使在涉及帧的变更或加密运动图像的分辨率提高的情况下,本发明也能够有效地实现进行了代码转换之后的加密功能,并且还能够解决必须 在压缩运动图像被加密的情况下执行转码之前/之后加密/解密。
    • 8. 发明公开
    • MEDIA TRANSMISSION SYSTEM AND METHOD
    • MEDIENÜBERTRAGUNGSSYSTEMUNDERVERHREN
    • EP2323390A2
    • 2011-05-18
    • EP09811642.9
    • 2009-06-15
    • Sk Telecom Co., LTD
    • BAE, Tae MeonKIM, Kyung Min
    • H04N7/18
    • H04N7/17318H04N21/2387H04N21/6587H04N21/8455
    • The present invention relates to a media transmission system wherein a server selects an video frame having an image number nearest to play position information and a high compression ratio, and transmits the video frame to a user terminal when the user terminal transmits desired play position information to the server while media data streaming is being performed from the server to the user terminal, thereby moving to the scene desired by a user and playing the scene in a simple manner. The present invention also relates to a method for the same. The media transmission system according to the present invention includes: a user terminal for receiving, from a user, desired position information for the media data being streamed and played, transmitting the position information, and receiving the video stream matched to the position information and playing the video stream; and a media server for searching the video stream having a high compression ratio among the video streams nearest to the position information, and streaming the searched video stream to the user terminal when the position information is received from the user terminal after streaming media data to the user terminal. The present invention provides a user with more random access points so that the user may select and view the desired scene while viewing a motion picture, prevents the degradation of the compression ratio by providing more random access points, and enables a user to easily change and view the desired scene while viewing media content.
    • 本发明涉及一种媒体传输系统,其中服务器选择具有最接近播放位置信息和高压缩比的图像编号的视频帧,并且当用户终端将期望的播放位置信息发送到用户终端时将该视频帧发送到 服务器,同时从服务器到用户终端执行媒体数据流传输,从而以简单的方式移动到用户期望的场景和播放场景。 本发明还涉及其用于其的方法。 根据本发明的媒体传输系统包括:用户终端,用于从用户接收用于流媒体播放的媒体数据的所需位置信息,发送位置信息,以及接收与位置信息和播放相匹配的视频流 视频流; 以及媒体服务器,用于在最接近位置信息的视频流中搜索具有高压缩比的视频流,并且在将媒体数据流传输到用户终端之后,当从用户终端接收到位置信息时,将搜索到的视频流流式传输到用户终端 用户终端。 本发明为用户提供更多的随机接入点,使得用户可以在观看动态影像的同时选择和观看期望的场景,通过提供更多的随机接入点来防止压缩比的恶化,并且使用户能够容易地改变, 查看媒体内容时查看所需的场景。
    • 9. 发明公开
    • SYSTEM FOR MEASURING THE TRANSMISSION BANDWIDTH FOR MULTIMEDIA STREAMING AND METHOD FOR SAME
    • 系统ZUR MESSUNG DERÜBERTRAGUNGSBANDBREITEFÜRMEDIEN-STREAMING UND VERFAHRENDAFÜR
    • EP2323281A2
    • 2011-05-18
    • EP09810125.6
    • 2009-06-15
    • SK Telecom Co., Ltd.
    • BAE, Tae Meon
    • H04B7/26
    • H04L1/0018H04L1/0002H04L1/0026H04L43/0894H04L65/80
    • The present invention relates to a system for measuring a transmission bandwidth that calculates a transmission bandwidth not by transmitting a proving packet to the receiving side, but rather by using a transmission packet to be transmitted to a receiving side, and streams multimedia data to the receiving side by using the transmission bandwidth, in a service for streaming multimedia data on a real-time basis, and to a method for same. The system for measuring a transmission bandwidth according to the present invention, includes: a server for transmitting packets of multimedia data to a receiving apparatus, receiving received time stamp on the reception of packets from the receiving apparatus, calculating a transmission bandwidth from the received time stamp, and streaming the multimedia data to the receiving apparatus in accordance with the calculated transmission bandwidth; and a receiving apparatus for receiving packets of the multimedia data from the server, recording received time stamp for each of received packets, and transmitting the received time stamp to the server by a predetermined cycle. According to the present invention, transmission bandwidth can be measured not by using a proving packet, but rather by using data to be actually transmitted. Moreover, additional occupation of the transmission bandwidth due to a proving packet can be prevented, and multimedia data streaming suited to a transmission bandwidth can be efficiently performed. Further, streaming of media suiting to a transmission bandwidth meets QoS (Quality of Service) requirements.
    • 本发明涉及一种用于测量传输带宽的系统,其不是通过向接收侧发送证明分组而是通过使用要发送到接收侧的传输分组来计算传输带宽,并且将多媒体数据流传送到接收端 通过使用传输带宽,在用于实时流式传输多媒体数据的服务中,以及其方法。 根据本发明的用于测量传输带宽的系统包括:用于向接收设备发送多媒体数据分组的服务器,在从接收设备接收分组时接收接收到的时间戳,从接收时间计算传输带宽 按照计算出的传输带宽将多媒体数据传送到接收装置; 以及接收装置,用于从服务器接收多媒体数据的分组,记录每个接收到的分组的接收时间戳,并以预定的周期将接收到的时间戳发送到服务器。 根据本发明,可以不通过使用证明分组而是通过使用要实际发送的数据来测量传输带宽。 此外,可以防止由于证明分组引起的传输带宽的附加占用,并且可以有效地执行适合于传输带宽的多媒体数据流。 此外,适用于传输带宽的媒体流满足QoS(服务质量)要求。
    • 10. 发明公开
    • SYSTEM FOR MEASURING TRANSMISSION BANDWIDTH FOR MEDIA STREAMING AND METHOD FOR SAME
    • 测量系统的传输带宽的流媒体及相应方法
    • EP2320580A2
    • 2011-05-11
    • EP09810126.4
    • 2009-06-15
    • SK Telecom. Co., Ltd.
    • BAE, Tae Meon
    • H04B7/26
    • H04L1/0018H04L1/0002H04L1/0026H04L43/0894H04L65/80
    • The present invention relates to a system for measuring a transmission bandwidth that calculates a transmission bandwidth not by transmitting a measurement packet to the receiving side, but rather by using a transmission packet to be transmitted to a receiving side, and streams media data to the receiving side by using the transmission bandwidth, in a service for streaming media data such as motion pictures or the like, on a real-time basis, as well as to a method for same. The system for measuring a transmission bandwidth according to the present invention includes: a server for transmitting a pair of data packets to a receiving apparatus, receiving received time information on the reception of the data from the receiving apparatus, calculating a transmission bandwidth on the basis of the received time information, and streaming the media to the receiving apparatus by using the calculated transmission bandwidth; and a receiving apparatus for receiving the transmitted data, recording received time information for each of the transmitted data packets, transmitting the recorded received time information to the server by a predetermined cycle, and receiving streaming media from the server. According to the present invention, transmission bandwidth can be measured not by using a measurement packet, but rather by using data to be actually transmitted. Moreover, the loss of bandwidth caused by additional measurement packets can be prevented, and streaming media such as motion pictures or the like which is suited to a transmission bandwidth can be efficiently performed. Further, streaming of media suiting to a transmission bandwidth meets QoS (Quality of Service) requirements.
    • 本发明涉及一种系统,用于测量传输带宽做了通过发送测量分组到接收侧计算的传输带宽不是,而是通过使用一个传输包是反式mitted到接收侧,和流媒体数据到接收 如运动画面或类似物,一个实时的基础上,以及用于其的方法:通过使用传输带宽,在服务的流媒体数据侧。 用于测量传输带宽雅丁到本发明的系统包括:用于发送对数据包向接收装置,接收来自所述接收设备的数据的接收装置接收的时间信息,在此基础上计算的传输带宽的服务器 的接收到的时间信息,并通过使用所计算的传输带宽的流媒体到接收装置; 和用于接收反式mitted数据的接收装置,记录接收到的每个反式mitted数据包的时间信息,通过以预定的周期发射所记录的接收到的时间信息发送到服务器,并从服务器接收流媒体。 。根据本发明,传输带宽可以通过不使用一个测量分组来测量,而是通过使用数据是反式mitted实际上。 更完了,通过附加的测量包引起带宽的损失可以防止,以及流媒体:诸如电影或类似的所有其适合于传输带宽可以有效地执行。 此外,媒体相适应的传输带宽流符合要求的QoS(服务质量)。