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    • 13. 发明授权
    • Image encrypting/decrypting system and method
    • 图像加密/解密系统及方法
    • US08948384B2
    • 2015-02-03
    • US12737765
    • 2009-05-11
    • Tae Meon Bae
    • Tae Meon Bae
    • H04L29/06H04N7/167H04N21/2343H04N21/2347H04N21/4405
    • 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.
    • 本发明涉及图像加密/解密系统和方法,其设计方式为: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; 发射机在通过将运动图像分割成段单位并且将每个段中的图像的时间排序与根据种子生成的随机数进行混合来发送运动图像; 并且接收机通过以段为单位对它们进行分类,然后根据通过种子产生的随机数来恢复每个段中的图像的时间排序来解密其接收的运动图像。 本发明使得即使在帧的改变或加密的运动图像中的分辨率的增加的情况下也可以有效地实现加密的功能,并且还可以解决必须 在压缩的运动图像被加密的情况下进行转码之前/之后的加密/解密。
    • 14. 发明授权
    • System and method for continuous playing of moving picture between two devices
    • 在两个设备之间连续播放动态图像的系统和方法
    • US08761577B2
    • 2014-06-24
    • US12737713
    • 2008-12-10
    • Tae Meon Bae
    • Tae Meon Bae
    • H04N9/80
    • 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。
    • 16. 发明授权
    • 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
    • US08681856B2
    • 2014-03-25
    • US12737715
    • 2008-11-12
    • Tae Meon Bae
    • Tae Meon Bae
    • H04N7/26
    • 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。
    • 17. 发明申请
    • ADAPTIVE VIDEO TRANSCODING METHOD AND SYSTEM
    • 自适应视频转换方法和系统
    • US20140036993A1
    • 2014-02-06
    • US14111958
    • 2012-04-16
    • Tae Meon Bae
    • Tae Meon Bae
    • H04N7/26
    • H04N19/13H04N19/124H04N19/15H04N19/156H04N19/164H04N19/40H04N19/61
    • Disclosed is an adaptive video transcoding system including: a video transcoding device for calculating a minimum required compression rate required by a measured streamable bandwidth, selecting, as a transcoding encoding option, each of encoding options making up an encoding option combination with the lowest CPU usage rate of when at least one encoding option, from an encoding option combination having a greater compression rate of when at least one encoding option is combined and encoded, than the minimum required compression rate, is combined and encoded, and using the selected transcoding encoding option to transcode and transmit the video contents to a user terminal; and a user terminal for receiving and displaying the video contents transcoded according to the transcoding encoding option from the video transcoding device.
    • 公开了一种自适应视频代码转换系统,包括:视频代码转换装置,用于计算测量的流可用带宽所需的最小所需压缩率,选择构成具有最低CPU使用率的编码选项组合的编码选项作为代码转换编码选项 将来自编码选项组合的至少一个编码选项的时间比最小所需压缩率组合和编码,并且使用所选择的转码编码选项 将视频内容转码并发送到用户终端; 以及用户终端,用于根据来自视频代码转换装置的代码转换编码选项接收和显示被转码的视频内容。
    • 18. 发明授权
    • System for measuring the transmission bandwidth for multimedia streaming and method for same
    • 用于测量多媒体流传输带宽的系统及其方法
    • US08582453B2
    • 2013-11-12
    • US12737918
    • 2009-06-15
    • Tae Meon Bae
    • Tae Meon Bae
    • G01R31/08G06F11/00G08C15/00H04J1/16H04J3/14H04L1/00H04L12/26H04W4/00
    • H04L1/0018H04L1/0002H04L1/0026H04L43/0894H04L65/80
    • A method and system for measuring a transmission bandwidth which includes: a server for transmitting packets of multimedia data to a receiving apparatus, receiving a time stamp from the receiving apparatus, calculating a transmission bandwidth in real time from the received time stamp, and streaming the multimedia data to the receiving apparatus in accordance with the calculated transmission bandwidth; with the receiving apparatus 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 is measured using data actually transmitted and that streaming of media is suited to a transmission bandwidth to meet QoS (Quality of Service) requirements.
    • 一种用于测量传输带宽的方法和系统,包括:服务器,用于向接收设备发送多媒体数据分组,从接收设备接收时间戳,从接收到的时间戳中实时计算传输带宽,并将 根据计算出的传输带宽向接收装置发送多媒体数据; 接收装置从服务器接收多媒体数据的分组,记录每个接收的分组的接收的时间戳,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,使用实际发送的数据来测量传输带宽,并且媒体流适合于传输带宽以满足QoS(服务质量)要求。
    • 20. 发明申请
    • IMAGE ENCRYPTING/DECRYPTING SYSTEM AND METHOD
    • 图像加密/分解系统和方法
    • US20110135089A1
    • 2011-06-09
    • US12737765
    • 2009-05-11
    • Tae Meon Bae
    • Tae Meon Bae
    • 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.
    • 本发明涉及图像加密/解密系统和方法,其设计方式为: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; 发射机在通过将运动图像分割成段单位并且将每个段中的图像的时间排序与根据种子生成的随机数进行混合来发送运动图像; 并且接收机通过以段为单位对它们进行分类,然后根据通过种子产生的随机数来恢复每个段中的图像的时间排序来解密其接收的运动图像。 本发明使得即使在帧的改变或加密的运动图像中的分辨率的增加的情况下也可以有效地实现加密的功能,并且还可以解决必须 在压缩的运动图像被加密的情况下进行转码之前/之后的加密/解密。