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    • 11. 发明授权
    • Method and system for the secure distribution of compressed digital texts
    • 压缩数字文本的安全分发方法和系统
    • US07925012B2
    • 2011-04-12
    • US10591832
    • 2005-03-08
    • Daniel LecomteJérôme CaporossiDaniela Parayre-Mitzova
    • Daniel LecomteJérôme CaporossiDaniela Parayre-Mitzova
    • H04L9/00G06F11/30
    • G11B20/00086G06F21/10G06F21/6209
    • A process for the secure distribution of compressed digital texts formed by blocks of binary data stemming from digital transformations applied to an original text, and including two stages: a preparatory stage including modifying at least one binary data in one of the blocks according to at least one substitution operation including extraction of the binary data in a block and its replacement by a decoy, and a transmission stage of a modified compressed digital text in conformity with the format of the original text, constituted of blocks modified during the course of the preparatory stage, and by a separate path of the modified compressed digital text, of digital complementary information permitting reconstitution of the original compressed digital text on the equipment of the addressee from the modified compressed digital text and from the complementary information.
    • 一种用于由应用于原始文本的数字变换产生的二进制数据块形成的压缩数字文本的安全分发的过程,包括两个阶段:准备阶段,包括根据至少修改其中一个块中的至少一个二进制数据 一种替代操作,包括提取块中的二进制数据及其由诱饵的替换,以及根据原始文本格式的修改的压缩数字文本的传输级,由在准备阶段中修改的块构成 以及修改的压缩数字文本的单独路径,允许从修改的压缩数字文本和补充信息重新构建收件人的设备上的原始压缩数字文本的数字补充信息。
    • 12. 发明授权
    • Adaptive and progressive protection of fixed images encoded in wavelets
    • 以小波编码的固定图像的自适应和渐进保护
    • US07529415B2
    • 2009-05-05
    • US11167783
    • 2005-06-27
    • Daniel LecomteDaniela Parayre-MitzovaJérôme Caporossi
    • Daniel LecomteDaniela Parayre-MitzovaJérôme 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组的块 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。
    • 13. 发明申请
    • Method And System For The Secure Distribution Of Compressed Digital Texts
    • 压缩数字文本的安全分配方法与系统
    • US20070195953A1
    • 2007-08-23
    • US10591832
    • 2005-03-08
    • Daniel LecomteJerome CaporossiDaniela Parayre-Mitzova
    • Daniel LecomteJerome CaporossiDaniela Parayre-Mitzova
    • H04L9/00
    • G11B20/00086G06F21/10G06F21/6209
    • A process for the secure distribution of compressed digital texts formed by blocks of binary data stemming from digital transformations applied to an original text, and including two stages: a preparatory stage including modifying at least one binary data in one of the blocks according to at least one substitution operation including extraction of the binary data in a block and its replacement by a decoy, and a transmission stage of a modified compressed digital text in conformity with the format of the original text, constituted of blocks modified during the course of the preparatory stage, and by a separate path of the modified compressed digital text, of digital complementary information permitting reconstitution of the original compressed digital text on the equipment of the addressee from the modified compressed digital text and from the complementary information.
    • 一种用于由应用于原始文本的数字变换产生的二进制数据块形成的压缩数字文本的安全分发的过程,包括两个阶段:准备阶段,包括根据至少修改一个块中的至少一个二进制数据 一种替代操作,包括提取块中的二进制数据及其由诱饵的替换,以及根据原始文本格式的修改的压缩数字文本的传输级,由在准备阶段中修改的块构成 以及修改的压缩数字文本的单独路径,允许从修改的压缩数字文本和补充信息重新构建收件人的设备上的原始压缩数字文本的数字补充信息。
    • 16. 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。
    • 17. 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。
    • 19. 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。