Device and method for online storage, transmission device and method, and receiving device and method
    1.
    发明授权
    Device and method for online storage, transmission device and method, and receiving device and method 有权
    在线存储的装置和方法,传输装置和方法,以及接收装置和方法

    公开(公告)号:US09519800B2

    公开(公告)日:2016-12-13

    申请号:US13937176

    申请日:2011-12-16

    摘要: A device and a method for online storage, device and method for searching for similar content, a device and a method of transmission and a device and a method. Encrypted data is saved at a provider of online services. With the encrypted data, encrypted hashing data is saved with a public key and the content to save is encrypted with the encrypted hash. This advantageously enables data duplication at the online service provider to be prevented while preserving the private life of the users of the service. In order to search for content similar to reference multimedia data, fingerprints are also saved at the service provider. In order to limit the number of false positives returned, the fingerprint can further contain a search fingerprint, an encrypted selection fingerprint.

    摘要翻译: 用于在线存储的设备和方法,用于搜索类似内容的设备和方法,设备和传输方法以及设备和方法。 加密数据保存在在线服务提供商处。 使用加密数据,使用公钥保存加密散列数据,并使用加密散列对要保存的内容进行加密。 这有利于在网络服务提供商处的数据复制被阻止,同时保持服务用户的私人生活。 为了搜索类似于参考多媒体数据的内容,指纹也被保存在服务提供商处。 为了限制返回的误报数量,指纹还可以包含搜索指纹,加密的选择指纹。

    Signature based registration method and method for signature calculation
    5.
    发明申请
    Signature based registration method and method for signature calculation 有权
    基于签名的注册方法和签名计算方法

    公开(公告)号:US20110064265A1

    公开(公告)日:2011-03-17

    申请号:US12807779

    申请日:2010-09-14

    IPC分类号: G06K9/00

    摘要: A method for temporal registration of a first sequence of images and a second sequence of second images is described. The method comprises the following steps for: a) comparing the first parts of signatures of first images with corresponding parts of signatures of second images, b) temporally registering each first image with one of the second images according to the result of the comparison, c) calculating for each first image a value of quality representative of the quality of its registration, d) defining, for each first image for which the quality value is less than a threshold, a first sub-sequence from the first sequence and a second sub-sequence from the second sequence, e) comparing, for each first sub-sequence, second parts of signatures of first images of the first sub-sequence with corresponding parts of signatures of second images of the second corresponding sub-sequence, and b) temporally registering each first image of the first sub-sequence with one of the second images of the second sub-sequence according to the result of the comparison.

    摘要翻译: 描述了用于时间注册第一图像序列和第二图像序列的方法。 该方法包括以下步骤:a)将第一图像的签名的第一部分与第二图像的签名的相应部分进行比较,b)根据比较结果,将每个第一图像与第二图像中的一个暂时注册,c )为每个第一图像计算表示其注册质量的质量值,d)对于质量值小于阈值的每个第一图像,定义来自第一序列的第一子序列和第二子序列 e)对于每个第一子序列,将第一子序列的第一图像的第二部分签名的对应部分与第二对应子序列的第二图像的相应部分进行比较,以及b) 根据比较结果,将第一子序列的每个第一图像暂时登记第二子序列的第二图像之一。

    Method and devices for video processing rights enforcement
    6.
    发明申请
    Method and devices for video processing rights enforcement 失效
    用于视频处理权限执行的方法和设备

    公开(公告)号:US20090013189A1

    公开(公告)日:2009-01-08

    申请号:US12215620

    申请日:2008-06-27

    IPC分类号: H04L9/00

    摘要: A system for protection against unauthorized modifications of digital content, in particular image content, in which a content processing system retrieves content, a fingerprint for the content and at least one modification limit expressing authorized modifications to the content. The content may then be modified, but before saving or exportation is allowed, a second fingerprint is calculated, and the difference between the fingerprints is compared with the at least one modification limit. If the difference is within the allowed bounds, then saving or exportation is allowed; if not, it is prevented. Also provided are a method and a content consumer device performing essentially the same steps before allowing rendering of the content.

    摘要翻译: 一种防止未经授权修改数字内容的系统,特别是其中内容处理系统检索内容的图像内容,内容的指纹以及表示对内容的授权修改的至少一个修改限制。 然后可以修改内容,但在允许保存或导出之前,计算第二指纹,并且将指纹之间的差异与至少一个修改限制进行比较。 如果差异在允许范围内,则允许保存或导出; 如果没有,就防止了。 还提供了在允许呈现内容之前执行基本上相同的步骤的方法和内容消费者设备。

    Method for watermark detection using reference blocks comparison
    7.
    发明授权
    Method for watermark detection using reference blocks comparison 有权
    使用参考块比较的水印检测方法

    公开(公告)号:US08768004B2

    公开(公告)日:2014-07-01

    申请号:US13543860

    申请日:2012-07-08

    IPC分类号: G06K9/00

    摘要: The invention relates to a method for decoding a watermark embedded in a video comprising blocks of samples representative of the video comprising the steps of determining in the video a location of a watermarked block; determining a location for each reference block among a plurality of reference blocks wherein a reference block is associated to a watermark value among a plurality of watermark values; comparing the watermarked block with each reference block; and identifying watermark value for the watermarked block from the results of the plurality of comparison. The method is remarkable in that each reference block is equally located in the video, for instance the pirated video, so that the plurality of comparisons between the watermarked block and each reference block is performed among the same video.

    摘要翻译: 本发明涉及一种用于对嵌入视频中的水印进行解码的方法,包括代表视频的样本块,其包括以下步骤:在视频中确定水印块的位置; 确定多个参考块中的每个参考块的位置,其中参考块与多个水印值中的水印值相关联; 将加水印块与每个参考块进行比较; 以及从所述多个比较的结果识别所述水印块的水印值。 该方法是显着的,因为每个参考块同样位于视频中,例如盗版视频,使得在相同视频之间执行加水印块和每个参考块之间的多个比较。

    Signature based registration method and method for signature calculation
    8.
    发明授权
    Signature based registration method and method for signature calculation 有权
    基于签名的注册方法和签名计算方法

    公开(公告)号:US08442326B2

    公开(公告)日:2013-05-14

    申请号:US12807779

    申请日:2010-09-14

    IPC分类号: G06K9/64

    摘要: A method for temporal registration of a first sequence of images and a second sequence of second images is described. The method comprises the following steps for: a) comparing the first parts of signatures of first images with corresponding parts of signatures of second images, b) temporally registering each first image with one of the second images according to the result of the comparison, c) calculating for each first image a value of quality representative of the quality of its registration, d) defining, for each first image for which the quality value is less than a threshold, a first sub-sequence from the first sequence and a second sub-sequence from the second sequence, e) comparing, for each first sub-sequence, second parts of signatures of first images of the first sub-sequence with corresponding parts of signatures of second images of the second corresponding sub-sequence, and b) temporally registering each first image of the first sub-sequence with one of the second images of the second sub-sequence according to the result of the comparison.

    摘要翻译: 描述了用于时间注册第一图像序列和第二图像序列的方法。 该方法包括以下步骤:a)将第一图像的签名的第一部分与第二图像的签名的相应部分进行比较,b)根据比较结果,将每个第一图像与第二图像中的一个暂时注册,c )为每个第一图像计算表示其注册质量的质量值,d)对于质量值小于阈值的每个第一图像,定义来自第一序列的第一子序列和第二子序列 e)对于每个第一子序列,将第一子序列的第一图像的第二部分签名的对应部分与第二对应子序列的第二图像的相应部分进行比较,以及b) 根据比较结果,将第一子序列的每个第一图像暂时登记第二子序列的第二图像之一。