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    • 7. 发明授权
    • Secure audio stream scramble system
    • 安全音频流加扰系统
    • US07630492B2
    • 2009-12-08
    • US11092533
    • 2005-03-29
    • Daniel LecomteDaniela Parayre-Mitzova
    • Daniel LecomteDaniela Parayre-Mitzova
    • H04K1/10H04L9/00
    • H04K1/00G10L19/00
    • A process for distributing digital audio sequences according to a nominal flux format including a succession of fields, each of which includes at least one digital block clusterizing a selected number of coefficients corresponding to single audio elements that are digitally coded inside the flux and utilized by audio decoders that are able to play it to be able to decode it correctly, including a preparatory step including modifying at least one of the coefficients, and a transmission step including a primary flux in compliance with a nominal format including blocks that were modified during the preparatory step and by a route separated from the primary flux by an additional piece of digital information which allows reconstruction of the original flux starting with a calculation, on recipient equipment, as a function of the primary flux and of the additional information.
    • 根据包括一系列字段的标称通量格式来分配数字音频序列的过程,每个字段包括至少一个数字块,所述至少一个数字块将对应于通量内的数字编码的单个音频元素的选定数量的系数聚类并被音频利用 能够播放它以能够正确解码的解码器,包括准备步骤,包括修改系数中的至少一个,以及传输步骤,包括符合包括在准备期间被修改的块的标称格式的主要通量 通过附加的数字信息片段与主要通量分离的路线,其允许从接收设备开始的计算开始重建原始通量,作为主要通量和附加信息的函数。
    • 10. 发明授权
    • Adaptive and progressive protection of fixed images encoded in wavelets
    • 用小波编码的固定图像的自适应和渐进式保护
    • US08094953B2
    • 2012-01-10
    • US12408877
    • 2009-03-23
    • Daniel LecomteDaniela Parayre-MitzovaJerome Caporossi
    • Daniel LecomteDaniela Parayre-MitzovaJerome Caporossi
    • G06K9/36
    • H04N21/44055H04N5/76H04N7/17318H04N19/17H04N19/63H04N19/88H04N21/23476H04N21/2541H04N21/4334H04N21/835H04N21/845
    • A process for secured distribution of fixed numerical images according to a nominal format resulting from numerical encoding in wavelets, represented by a original stream including a packet relating to organization of a binary sequence that contains at least a block that regroups numerically encoded simple elements according to a mode specified inside the stream and utilized by decoders that are capable of reconstructing or decoding it to be able to correctly display the image including modifying at least one of the simple elements according to at least a substitution operation including extracting the simple element, followed by its replacement by lure data, modifying a principal stream to conform to a nominal format including modified blocks and packets, and by a path that is separate from the principal stream of complementary numerical information and allowing reconstruction of the original stream from calculations, on destination equipment, as a function of the principal stream and the complementary information.
    • 根据由小波中的数字编码产生的标称格式的固定数字图像的安全分发的过程,由原始流表示,原始流包括与二进制序列的组织相关的分组,该二进制序列至少包含根据数据编码的简单元素重新组合的块 在流内指定的模式并由能够重建或解码的解码器使用以便能够正确显示图像的模式,包括至少根据包括提取简单元素的替换操作来修改至少一个简单元素,随后是 通过诱饵数据替换,修改主流以符合包括修改的块和分组的标称格式,以及通过与补充数字信息的主流分离的路径,并允许在目的地设备上对来自计算的原始流进行重建 ,作为主流的一个功能 d补充信息。