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    • 3. 发明授权
    • Process and system for the secure broadcasting of protected audiovisual streams to a dynamic group of receivers
    • 将受保护视听流安全地广播到动态接收器组的过程和系统
    • US08229117B2
    • 2012-07-24
    • US11547270
    • 2005-04-06
    • Daniel LecomteReda Hosny
    • Daniel LecomteReda Hosny
    • H04N7/167H04K1/10
    • H04N21/44055H04N7/1675H04N21/234327H04N21/23476H04N21/835
    • A process for the distribution of digital audiovisual sequences. An analysis is made prior to transmission to a dynamic group of receivers to generate a first modified main stream and complementary information. A synthesis of a stream in the original format is calculated on the receiver as a function of the modified main stream and the complementary information. Generation of the complementary information is constituted of the following steps: extraction of at least one original piece of data of the original stream, storage of the original data in the complementary information, formatting the complementary information in segments with each segment corresponding to at least one entire audiovisual element of the modified main stream, and encapsulation of at least one segment with at least one piece of access information in at least one data block to generate at least one access ticket for the corresponding audiovisual elements.
    • 数字音像序列分发的过程。 在传输到动态接收器组之前进行分析以生成第一修改主流和补充信息。 作为修改主流和补充信息的函数,在接收器上计算原始格式的流的合成。 补充信息的生成由以下步骤构成:提取原始流的至少一个原始数据原始数据,将补充信息中的原始数据存储起来,将段中的补充信息格式化为与至少一个 修改的主流的整个音像元素,以及至少一个具有至少一个访问信息的片段在至少一个数据块中的封装,以生成相应的视听元素的至少一个访问单。
    • 4. 发明授权
    • Secure audio stream scramble system
    • 安全音频流加扰系统
    • US08200498B2
    • 2012-06-12
    • US12628534
    • 2009-12-01
    • Daniel LeComteDaniela Parayre-Mitzova
    • Daniel LeComteDaniela Parayre-Mitzova
    • G10L21/00G06F17/00
    • 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。
    • 5. 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。
    • 6. 发明授权
    • Method and system for ensuring secure scrambling and de-scrambling and the distribution of vectoral visual sequences
    • 确保安全加扰和解扰的方法和系统以及矢量视觉序列的分布
    • US07957530B2
    • 2011-06-07
    • US11264306
    • 2005-11-01
    • Daniel LecomtePierre Sarda
    • Daniel LecomtePierre Sarda
    • H04N7/167
    • H04N21/4622H04N7/167H04N7/17318H04N21/234318H04N21/234327H04N21/631
    • A process for secured distribution of vector visual sequences in at least two dimensions, animated and including a succession of frames containing at least one multidimensional geometric object to be displayed on a screen of a user and determined by at least one parameter including: analyzing the stream prior to transmission to addressee equipment to generate a modified main stream by deletion and replacement of information coding the original visual signal, having a format the same as the format of the original stream, but of which at least one frame was modified, and complementary information of any format including digital information suitable for permitting reconstruction of the modified frames, which modified main stream and which complementary information are transmitted separately to the addressee equipment.
    • 一种用于在至少两个维度上确保矢量视觉序列的分发的过程,其被动画化并且包括一系列框架,所述框架包含要在用户的屏幕上显示并由至少一个参数确定的至少一个多维几何对象,所述至少一个几何几何对象包括: 在传送给收件人设备之前,通过删除和替换原始视觉信号的信息来生成修改的主流,其格式与原始流的格式相同,但是至少修改了一个帧,并且补充信息 任何格式包括适合允许重建修改的帧的数字信息,该修改的主流以及哪些补充信息被分别传送到收件人设备。
    • 8. 发明授权
    • 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
    • US07702103B2
    • 2010-04-20
    • US11101793
    • 2005-04-08
    • Daniel LecomteSébastien Georges
    • Daniel LecomteSébastien Georges
    • H04N7/00
    • 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。
    • 10. 发明授权
    • Process and device for securing the transmission, recording and viewing of digital, audiovisual packetized streams
    • 用于保护数字,视听打包流的传输,记录和查看的过程和设备
    • US07613181B2
    • 2009-11-03
    • US11264953
    • 2005-11-02
    • Daniel LecomteMohammed Lamtouni
    • Daniel LecomteMohammed Lamtouni
    • H04L12/56H04N7/167
    • H04N21/454H04N7/163H04N21/23476H04N21/44055H04N21/4532H04N21/835
    • A process for secure distribution of original digital audiovisual streams including audio, video components or other data, including packetizing the original stream into packets that can be manipulated and have a flexible size, wherein each packet includes a header containing information about the packet and a useful load including part of the data of the stream, analyzing the packetized stream prior to transmission to client equipment to generate a main stream in conformity with a packetized format of the original stream, modified in that all or part of the packets were substituted by packets of the same structure, but whose content was modified, and generating complementary information with any format suitable to permit reconstruction of the original stream, and separately transmitting the modified main stream and complementary information generated from the server to addressed equipment.
    • 包括音频,视频组件或其他数据的原始数字视听流的安全分发的过程,包括将原始流打包成可被操纵并具有灵活大小的分组,其中每个分组包括包含关于分组的信息的报头和有用的 负载包括流的一部分数据,在发送到客户端设备之前分析分组化流以根据原始流的分组化格式生成主流,修改为全部或部分分组被 相同的结构,但其内容被修改,并且以适合于允许原始流重建的任何格式生成补充信息,并且将修改的主流和从服务器产生的补充信息单独发送到寻址设备。