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    • 11. 发明申请
    • SECURE EQUIPMENT WHICH IS USED, ON REQUEST, TO DISTRIBUTE, RECORD AND DISPLAY AUDIO-VISUAL WORKS WITH AN MPEG-2 TS-TYPE FORMAT
    • 根据要求使用安全设备,以MPEG-2 TS型格式分发,录制和显示音频 - 视频作品
    • WO2004073292A2
    • 2004-08-26
    • PCT/FR2004050046
    • 2004-02-05
    • MEDIALIVELECOMTE DANIELGEORGES SEBASTIEN
    • LECOMTE DANIELGEORGES SEBASTIEN
    • H04N7/24H04N7/26H04N
    • H04N21/6125H04N19/188H04N19/48H04N19/70H04N19/88H04N21/23608H04N21/23897H04N21/4344H04N21/43856H04N21/6137
    • The invention relates to a method of distributing audio-visual sequences according to a nominal stream format in compliance with the MPEG-2 TS standard, said sequences comprising a succession of TS packets. The invention is characterised in that, before transmission to the client equipment, the stream is analysed in order to generate (i) a first stream with the MPEG-2 TS format, which is modified through the substitution of all or part of the constituent TS packets by packets having the same structure but with modified contents, and (ii) a second stream having any format and comprising the digital information which can be used to reconstruct the above-mentioned nominal stream. The two streams thus generated are then transmitted separately from the server to the destination equipment. The invention is further characterised in that a synthesis of a stream with the nominal format is calculated on the destination equipment as a function of said first and second streams. The invention also relates to a device for producing a video stream, a device for running a video stream and a system for transmitting a video stream in order to carry out said method.
    • 本发明涉及按照MPEG-2TS标准按照标称流格式分配音频 - 视频序列的方法,所述序列包括一系列TS分组。 本发明的特征在于,在传输到客户端设备之前,分析流以产生(i)具有MPEG-2TS格式的第一流,该第一流通过替换全部或部分组成TS 分组具有相同结构但具有修改内容的分组,以及(ii)具有任何格式并包括可用于重建上述标称流的数字信息的第二流。 这样产生的两个流然后分别从服务器传输到目标设备。 本发明的进一步特征在于,作为所述第一和第二流的函数,在目的地设备上计算具有标称格式的流的合成。 本发明还涉及用于产生视频流的设备,用于运行视频流的设备以及用于传输视频流的系统以便执行所述方法。
    • 12. 发明申请
    • PROTECTION METHOD AND DEVICE FOR THE SECURE DISTRIBUTION OF AUDIO-VISUAL WORKS
    • 用于视听工作的安全分配的保护方法和设备
    • WO2004073291A2
    • 2004-08-26
    • PCT/FR2004050044
    • 2004-02-04
    • MEDIALIVELECOMTE DANIELGEORGES SEBASTIEN
    • LECOMTE DANIELGEORGES SEBASTIEN
    • H04N5/913H04N7/16H04N7/167H04N
    • H04N21/845H04N5/913H04N7/163H04N7/1675H04N21/2347H04N21/4181H04N21/4325H04N21/4334H04N21/4405H04N21/47202H04N21/6175H04N2005/91364
    • The invention relates to a method for the secure distribution of encoded video sequences according to a nominal stream format comprising visual data and stream decoding configuration data which do not represent visual data. The invention is characterised in that, before transmission to the client equipment, the stream is analysed in order to generate (i) a modified main stream having the nominal stream format and comprising images modified through the modification of the aforementioned decoding configuration data, and (ii) complementary digital information having any format and comprising the digital information which can be used to reconstruct the above-mentioned modified images. Subsequently, the modified main stream and the complementary digital information thus generated are transmitted separately from the server to the destination equipment. The invention is further characterised in that a synthesis of a stream with the nominal format is calculated on the destination equipment as a function of the modified main stream and the complementary information.
    • 本发明涉及一种用于根据标称流格式来安全地分发编码视频序列的方法,包括不代表视觉数据的视觉数据和流解码配置数据。 本发明的特征在于,在传送到客户端设备之前,对流进行分析,以便产生(i)具有标称流格式的经修改的主流,并且包括通过修改上述解码配置数据修改的图像,以及( ii)具有任何格式并且包括可用于重建上述修改图像的数字信息的互补数字信息。 随后,经修改的主流和由此产生的互补数字信息与服务器分开发送到目的地设备。 本发明的特征还在于,根据修改的主流和补充信息,在目的地设备上计算具有标称格式的流的合成。
    • 13. 发明申请
    • DEVICE FOR THE TRANSFORMATION OF MPEG-2-TYPE MULTIMEDIA AND AUDIOVISUAL CONTENT INTO SECURE CONTENT OF THE SAME TYPE
    • 用于将MPEG-2型多媒体和视听内容转换成相同类型的安全内容的设备
    • WO2004040895A3
    • 2004-06-24
    • PCT/FR0350106
    • 2003-10-24
    • MEDIALIVELECOMTE DANIELGEORGES SEBASTIEN
    • LECOMTE DANIELGEORGES SEBASTIEN
    • H04N5/00H04N7/16H04N7/167H04N7/24
    • H04N21/441H04N7/163H04N7/1675H04N21/23476H04N21/2541H04N21/4331H04N21/4622H04N21/631H04N21/835
    • The invention relates to method of distributing video sequences according to a nominal stream (101) format, said sequences consisting of a succession of images with each image comprising a succession of blocks. At least one of the blocks of one of the images is calculated by predicting motion in relation to at least one reference image, said motion prediction being encoded in the stream (101) with at least one motion vector. Before transmission to the client equipment (8), the aforementioned stream (101) is analysed in order to generate (i) a first modified stream having the format of a nominal stream and comprising images modified by the substitution of certain data by data of the same type and (ii) a second stream having any format and comprising the substituted data and the digital information which can be used to reconstruct the modified stream. The two streams thus generated are then transmitted separately from the server (12) towards the destination equipment (8). Moreover, a synthesis of a stream with the nominal format is calculated on the destination equipment (8), for the above-mentioned stream, as a function of the first stream and the second stream. The invention is characterised in that the modification consists in modifying at least one of said motion vectors.
    • 本发明涉及根据标称流(101)格式分配视频序列的方法,所述序列由连续的图像组成,每个图像包括一系列块。 通过相对于至少一个参考图像预测运动来计算其中一个图像的至少一个块,所述运动预测在流(101)中用至少一个运动矢量进行编码。 在传送到客户设备(8)之前,分析上述流(101)以便产生(i)具有标称流格式的第一修改流,并且包括通过由 相同类型和(ii)具有任何格式的第二流,并且包括可用于重构修改流的替代数据和数字信息。 然后将如此生成的两个流从服务器(12)分离到目的地设备(8)。 此外,作为第一流和第二流的函数,针对上述流,在目的地设备(8)上计算具有标称格式的流的合成。 本发明的特征在于,修改在于修改所述运动矢量中的至少一个。
    • 16. 发明申请
    • VIDEO INTERFACING ARRANGEMENT, DISTRIBUTION SYSTEM AND A METHOD FOR TRANSFERRING ENCODED VIDEO PROGRAMS AND SEQUENCES OVER A WIDE AREA NETWORK
    • 视频接口设置,分发系统和一种用于传输编码视频节目和一个广域网的序列的方法
    • WO0197520A3
    • 2002-03-21
    • PCT/IB0101421
    • 2001-06-14
    • MEDIALIVELECOMTE DANIEL
    • LECOMTE DANIEL
    • H04N5/00H04N5/38H04N5/44H04N7/16H04N7/173H04N5/926
    • H04N21/47202H04N5/38H04N5/4401H04N7/163H04N7/17318H04N7/17345H04N21/222H04N21/23106H04N21/2743H04N21/4331H04N21/631
    • The present invention concerns a video interfacing arrangement for connecting at least one display device, for example a television screen type device, to at least one video source, characterized in that it is composed of a module (1) mainly including, on the one hand, a dedicated and programmed digital processing unit (6) adapted to handle, especially to decode and to descramble any type of video flow according to a preloaded decoding or descrambling program, in order to display it, in real time or delayed in time, to store it, to record it and/or to send it over a telecommunication network, and on the other hand, at least one screen interface (7, 7'), at least one storage or recording interface (8, 8'), a local or wide area network connecting interface (9) and a user communication and controlling interface (10), said interfaces (7 to 10) being linked to and driven by said processing unit (6) and preferably mounted in or on said module (1). The invention concerns also a distribution system and a method for transferring encoded video programs and sequences over a wide area network.
    • 本发明涉及一种用于将至少一个显示设备(例如电视屏幕类型设备)连接到至少一个视频源的视频接口装置,其特征在于它包括主要包括一个方面的模块(1) ,专用和编程的数字处理单元(6),其适于处理,特别是根据预加载的解码或解扰程序解码和解扰任何类型的视频流,以便将其实时或延迟地显示到 存储它,以及/或通过电信网络发送它,另一方面,至少一个屏幕界面(7,7'),至少一个存储或记录接口(8,8'), 本地或广域网连接接口(9)和用户通信和控制接口(10),所述接口(7至10)链接到所述处理单元(6)并由所述处理单元(6)驱动,并且优选地安装在所述模块 )。 本发明还涉及一种用于在广域网上传送编码视频节目和序列的分发系统和方法。
    • 18. 发明申请
    • METHOD AND DEVICE FOR DISTRIBUTING SECURE DIGITAL AUDIOVISUAL CONTENTS BY INTEROPERABLE SOLUTIONS
    • 通过互操作解决方案分配安全数字视听内容的方法和设备
    • WO2007104887A2
    • 2007-09-20
    • PCT/FR2007050910
    • 2007-03-12
    • MEDIALIVELECOMTE DANIELDUPUIS SEBASTIEN
    • LECOMTE DANIELDUPUIS SEBASTIEN
    • H04L29/06
    • H04L63/0428H04L63/10H04L2463/101
    • The invention concerns a method for distributing a nominal audiovisual stream to a recipient device, the nominal audiovisual stream comprising nominal coefficients; the method including; a step which consists in modifying, in the nominal audiovisual stream at least one nominal coefficient among said nominal coefficients so as to generate a modified main stream; generating a complementary information such that the nominal audiovisual stream is capable of being implemented based on said complementary information and on the modified main stream. The method is characterized in that it includes steps which consist in: applying a plurality of methods for protecting the complementary information to generate multiple protected complementary data, each of the respective protected complementary data enabling the nominal stream of the main stream to be implemented upon application of an access method compatible with the protection method which has been used to protect it; transmitting to the recipient device the modified main stream and the multiple protected complementary data.
    • 本发明涉及一种用于将标称视听流分配给接收方设备的方法,所述标称视听流包括标称系数; 该方法包括: 包括在标称视听流中修改所述标称系数中的至少一个标称系数以便产生修改的主流的步骤; 生成补充信息,使得标称视听流能够基于所述补充信息和修改后的主流来实施。 该方法的特征在于它包括以下步骤:应用多种方法来保护补充信息以产生多个受保护的补充数据,相应的受保护互补数据中的每一个使主流的标称流能够在应用程序 与已用于保护它的保护方法兼容的访问方法; 向接收方设备发送修改后的主流和多个受保护的补充数据。
    • 19. 发明申请
    • SCRAMBLING, DESCRAMBLING AND SECURE DISTRIBUTION OF AUDIO-VISUAL SEQUENCES FROM VIDEO ENCODERS BASED ON WAVELET PROCESSING
    • 基于小波处理的视频编码器的音视频序列的扫描,解密和安全分配
    • WO2004095840A2
    • 2004-11-04
    • PCT/FR2004000947
    • 2004-04-16
    • MEDIALIVELECOMTE DANIELCAPOROSSI JEROME
    • LECOMTE DANIELCAPOROSSI JEROME
    • H04N7/167H04N7/24H04N7/26
    • H04N21/23418H04N7/1675H04N19/10H04N19/31H04N19/48H04N19/61H04N19/62H04N19/63H04N19/70H04N21/2347H04N21/23476H04N21/4621H04N21/631H04N21/64792H04N21/8355
    • The invention relates to a method and system which are used for the visual scrambling of a video sequence and for the reconstruction (descrambling) of the original content thereof from a digital video stream obtained from encoding based on a wavelet transform. The method for the secure distribution of video sequences according to a digital stream format stems from wavelet-based coding, said format consisting of frames comprising blocks containing wavelet coefficients which describe visual elements. According to the invention, before transmission to the client equipment, the stream is analysed in order to generate (i) a modified main stream through the removal and replacement of certain pieces of information encoding the original stream and having the same format as said original stream, and (ii) a complementary piece of information with any format, comprising digital information which encode the original stream and which can be used to reconstruct the aforementioned modified frames. The modified main stream and the complementary information thus generated are then transmitted separately from the server to the destination equipment and, subsequently, a synthesis of a stream with the nominal format is calculated on the destination equipment as a function of the modified main stream and the complementary information. The invention also relates to a system comprising at least one multimedia server containing the original video sequences, a video stream analysis device, a device for separating the original video stream into a modified main stream and a complementary piece of information according to the aforementioned analysis and at least one device on the destination equipment for the reconstruction of the video stream as a function of the modified main stream and the complementary information.
    • 本发明涉及一种方法和系统,用于视频序列的视觉加扰以及从基于小波变换的编码获得的数字视频流重构(解扰)其原始内容。 用于根据数字流格式安全地分配视频序列的方法源于基于小波的编码,所述格式由包含描述视觉元素的小波系数的块组成。 根据本发明,在传送到客户端设备之前,分析流以便通过去除和替换编码原始流的特定信息段并且具有与所述原始流相同的格式来生成(i)修改的主流 ,和(ii)具有任何格式的补充信息片段,其包括对原始流进行编码的数字信息,并可用于重建上述修改的帧。 然后将经修改的主流和由此产生的补充信息从服务器分离地发送到目的地设备,随后根据修改的主流和目标设备的目的地设备来计算具有标称格式的流的合成,并且 补充信息。 本发明还涉及一种包括至少一个包含原始视频序列的多媒体服务器的系统,视频流分析设备,用于根据上述分析将原始视频流分离成修改主流和补充信息的设备,以及 目的地设备上的至少一个设备,用于根据修改的主流和补充信息来重建视频流。
    • 20. 发明专利
    • FR2835386A1
    • 2003-08-01
    • FR0201164
    • 2002-01-31
    • LECOMTE DANIEL
    • LECOMTE DANIEL
    • H04N7/32G09C1/00H03M7/30H04N5/913H04N7/167H04N7/173H04N7/24H04N7/16
    • The invention relates to an MPEG-4-type multimedia and video interfacing arrangement which is used to connect at least one display device to at least one video source. The invention essentially comprises a processing unit which is adapted to display any MPEG-4-type video stream in real or delayed time, to store and record the aforementioned stream and/or to send said stream over a diffusion network (4) and/or over a wide area network (10) with a low bandwidth and/or to record same on a chip card. Moreover, the invention also comprises at least one screen interface (7) and an interface for connecting to a local or wide area network (5, 9) and/or a chip card reader. The invention is characterised in that (i) it essentially comprises a store of certain correlation coefficients of planes I-VOP and/or P-VOP and/or a store of certain planes B-VOP and P-VOP from the video stream in each audiovisual portal (12) and (ii) each video interfacing arrangement (8) possesses functions for storing, recording and processing audiovisual programmes and is associated with at least one integrated or television screen-type display device (6). According to the invention, each video interfacing arrangement (8) reconstructs the MPEG-4 streams which originate from information from the hard disk thereof and algorithms and/or correlation coefficients of planes I-VOP and/or P-VOP and/or planes P-VOP and/or B-VOP, all originating from the portal (12).