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    • 35. 发明申请
    • Device for the transformation of MPEG 2-type multimedia and audiovisual contents into secured contents of the same type
    • 用于将MPEG 2型多媒体和视听内容转换为相同类型的安全内容的设备
    • US20050213760A1
    • 2005-09-29
    • US11101793
    • 2005-04-08
    • Daniel LeComteSebastien Georges
    • Daniel LeComteSebastien Georges
    • G06F12/14H04N7/167
    • H04N21/631H04N7/1675H04N21/23476H04N21/44055H04N21/4622
    • A process for distributing video sequences according to a nominal flux format including a succession of images, where each image includes a succession of blocks, and in which at least one of blocks in one of the images is calculated by motion prediction relative to at least one reference image, where the motion prediction is encoded in the flux with at least one motion vector, the flux being processed, before transmission to client equipment, with an analysis for generating a first modified flux having the format of a nominal flux and having images modified by substitution of selected data with selected data of the same nature, but random, and a second flux of any format including the substituted data and digital information likely to allow reconstruction of the modified flux, then transmitting separately, in real or deferred time, the two fluxes generated from a server toward the client equipment, and for which is calculated on the client equipment a synthesis of a nominal format flux as a function of the primary flux and of the second flux distinguished by the fact that the modification includes modifying at least one of the motion vectors.
    • 一种用于根据包括一连串图像的标称通量格式分配视频序列的过程,其中每个图像包括一系列块,并且其中通过相对于至少一个的运动预测来计算一个图像中的至少一个块 参考图像,其中运动预测在具有至少一个运动矢量的通量中被编码,所述通量在被传送到客户端设备之前被处理,具有用于生成具有标称通量格式并具有图像的第一修改的通量的分析 通过使用具有相同性质但是随机的所选数据的选定数据,以及包括可能允许修改的通量的重建的替代数据和数字信息的任何格式的第二通量,然后在实际或延迟的时间内单独地传输 从服务器向客户端设备产生的两个通量,并且在客户端设备上计算出一个名义格式通量的合成 作为主要通量和第二通量的函数,其特征在于修改包括修改运动矢量中的至少一个。