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    • 21. 发明授权
    • Exchange mechanisms for digital information packages with bandwidth securitization, multichannel digital watermarks, and key management
    • 具有带宽证券化,多通道数字水印和密钥管理的数字信息包交换机制
    • US08774216B2
    • 2014-07-08
    • US12892900
    • 2010-09-28
    • Scott Moskowitz
    • Scott Moskowitz
    • H04J3/16H04N1/32H04N21/8358
    • H04N1/32144G06F21/10G06Q30/0283G06T1/0021G06T1/005G06T2201/0052G06T2201/0061G06T2201/0064H04K1/00H04L9/3247H04L2209/56H04L2209/608H04N21/8358
    • Responsibility can be established for specific copies or instances of copies of digitized multimedia content using digital watermarks. Management and distribution of digital watermark keys (e.g., private, semiprivate and public) and the extension of information associated with such keys is implemented to create a mechanism for the securitization of multimedia titles to which the keys apply. Bandwidth rights can be created to provide for a distributed model for digital distribution of content which combines the security of a digital watermark with efficient barter mechanisms for handling the actual delivery of digital goods. Distributed keys better define rights that are traded between transacting parties in exchanging information or content. More than one party can cooperate in adding distinguished watermarks at various stages of distribution without destroying watermarks previously placed in the content. Additionally, the amount of information which any one party must divulge to another party can be minimized, and “downstream” parties can be prevented from compromising or otherwise gaining control of watermarks embedded by “upstream” parties.
    • 可以使用数字水印确定数字化多媒体内容的特定副本或副本的责任。 执行数字水印密钥(例如私有,半私人和公共)的管理和分发以及与这些密钥相关联的信息的扩展,以创建用于密钥应用的多媒体标题证券化的机制。 可以创建带宽权限,以提供用于将数字水印的安全性与用于处理数字商品的实际交付的有效易货机制相结合的内容的数字分发的分布式模型。 分布式密钥更好地定义交易方在交换信息或内容时交易的权利。 不止一方可以在分配的各个阶段加入不同水印,而不会破坏先前放置在内容中的水印。 另外,任何一方必须泄露给另一方的信息量都可以最小化,并且可以防止“下游”各方妥协或以其他方式获得“上游”方面嵌入的水印的控制。
    • 23. 发明申请
    • EXCHANGE MECHANISMS FOR DIGITAL INFORMATION PACKAGES WITH BANDWIDTH SECURITIZATION, MULTICHANNEL DIGITAL WATERMARKS, AND KEY MANAGEMENT
    • 数字信息包交换机制,具有带宽证券化,多通道数字水印和关键管理
    • US20110019691A1
    • 2011-01-27
    • US12892900
    • 2010-09-28
    • Scott Moskowitz
    • Scott Moskowitz
    • H04J3/16
    • H04N1/32144G06F21/10G06Q30/0283G06T1/0021G06T1/005G06T2201/0052G06T2201/0061G06T2201/0064H04K1/00H04L9/3247H04L2209/56H04L2209/608H04N21/8358
    • Responsibility can be established for specific copies or instances of copies of digitized multimedia content using digital watermarks. Management and distribution of digital watermark keys (e.g., private, semiprivate and public) and the extension of information associated with such keys is implemented to create a mechanism for the securitization of multimedia titles to which the keys apply. Bandwidth rights can be created to provide for a distributed model for digital distribution of content which combines the security of a digital watermark with efficient barter mechanisms for handling the actual delivery of digital goods. Distributed keys better define rights that are traded between transacting parties in exchanging information or content. More than one party can cooperate in adding distinguished watermarks at various stages of distribution without destroying watermarks previously placed in the content. Additionally, the amount of information which any one party must divulge to another party can be minimized, and “downstream” parties can be prevented from compromising or otherwise gaining control of watermarks embedded by “upstream” parties.
    • 可以使用数字水印确定数字化多媒体内容的特定副本或副本的责任。 执行数字水印密钥(例如私有,半私人和公共)的管理和分发以及与这些密钥相关联的信息的扩展,以创建用于密钥应用的多媒体标题证券化的机制。 可以创建带宽权限,以提供用于将数字水印的安全性与用于处理数字商品的实际交付的有效易货机制相结合的内容的数字分发的分布式模型。 分布式密钥更好地定义交易方在交换信息或内容时交易的权利。 不止一方可以在分配的各个阶段加入不同水印,而不会破坏先前放置在内容中的水印。 另外,任何一方必须泄露给另一方的信息量都可以最小化,并且可以防止“下游”各方妥协或以其他方式获得“上游”方面嵌入的水印的控制。
    • 29. 发明申请
    • OPTIMIZATION METHODS FOR THE INSERTION, PROTECTION, AND DETECTION OF DIGITAL WATERMARKS IN DIGITIZED DATA
    • 数字水印数据的插入,保护和检测优化方法
    • US20110305365A1
    • 2011-12-15
    • US13212264
    • 2011-08-18
    • Scott MoskowitzMarc Cooperman
    • Scott MoskowitzMarc Cooperman
    • G06K9/00
    • G06T1/0092G06T1/0028G06T1/005G06T2201/0064G06T2201/0065H04K1/00H04L2209/08H04L2209/34H04L2209/608H04N1/32149H04N1/32187H04N1/32229H04N1/3232H04N21/23892H04N21/8358H04N2201/3233H04N2201/327
    • The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of digitally-sampled audio, video and other multimedia works. Watermark application parameters can be adapted to the individual characteristics of a given digital sample stream. Watermark information can be either carried in individual samples or in relationships between multiple samples, such as in a waveform shape. More optimal models may be obtained to design watermark systems that are tamper-resistant given the number and breadth of existent digitized sample options with different frequency and time components. The highest quality of a given content signal may be maintained as it is mastered, with the watermark suitably hidden, taking into account usage of digital filters and error correction. The quality of the underlying content signals can be used to identify and highlight advantageous locations for the insertion of digital watermarks. The watermark is integrated as closely as possible to the content signal, at a maximum level to force degradation of the content signal when attempts are made to remove the watermarks.
    • 考虑到数字采样音频,视频和其他多媒体作品的性质,数字水印的实现可以最适合于特定的传输,分发和存储介质。 水印应用参数可以适应给定数字样本流的各个特征。 水印信息可以在单个样本中携带,也可以在多个样本之间的关系中携带,例如波形形状。 鉴于具有不同频率和时间分量的现有数字化样本选项的数量和广度,可以获得更好的模型来设计防篡改的水印系统。 考虑到数字滤波器的使用和误差校正,可以保持给定内容信号的最高质量,因为它被掌握,水印被适当地隐藏。 底层内容信号的质量可用于识别和突出显示用于插入数字水印的有利位置。 尽可能地将内容信号尽可能地集成到内容信号上,以在尝试去除水印时强制内容信号的劣化。
    • 30. 发明申请
    • Optimization methods for the insertion, protection, and detection of digital watermarks in digital data
    • 数字数据中插入,保护和检测数字水印的优化方法
    • US20080046742A1
    • 2008-02-21
    • US11599964
    • 2006-11-15
    • Scott Moskowitz
    • Scott Moskowitz
    • H04L9/00
    • G06T1/0028G06T2201/0064
    • Disclosed herein are methods and systems for encoding digital watermarks into content signals. Also disclosed are systems and methods for detecting and/or verifying digital watermarks in content signals. According to one embodiment, a system for encoding of digital watermark information includes: a window identifier for identifying a sample window in the signal; an interval calculator for determining a quantization interval of the sample window; and a sampler for normalizing the sample window to provide normalized samples. According to another embodiment, a system for pre-analyzing a digital signal for encoding at least one digital watermark using a digital filter is disclosed. According to another embodiment, a method for pre-analyzing a digital signal for encoding digital watermarks comprises: (1) providing a digital signal; (2) providing a digital filter to be applied to the digital signal; and (3) identifying an area of the digital signal that will be affected by the digital filter based on at least one measurable difference between the digital signal and a counterpart of the digital signal selected from the group consisting of the digital signal as transmitted, the digital signal as stored in a medium, and the digital signal as played backed. According to another embodiment, a method for encoding a watermark in a content signal includes the steps of (1) splitting a watermark bit stream; and (2) encoding at least half of the watermark bit stream in the content signal using inverted instances of the watermark bit stream. Other methods and systems for encoding/decoding digital watermarks are also disclosed.
    • 这里公开了将数字水印编码成内容信号的方法和系统。 还公开了用于在内容信号中检测和/或验证数字水印的系统和方法。 根据一个实施例,一种用于编码数字水印信息的系统包括:用于识别信号中的采样窗口的窗口标识符; 用于确定样本窗口的量化间隔的间隔计算器; 以及用于归一化样本窗口以提供归一化样本的采样器。 根据另一实施例,公开了一种用于使用数字滤波器预分析用于对至少一个数字水印进行编码的数字信号的系统。 根据另一实施例,一种用于预分解用于对数字水印进行编码的数字信号的方法包括:(1)提供数字信号; (2)提供要应用于数字信号的数字滤波器; 以及(3)基于数字信号与从由发送的数字信号组成的组中选择的数字信号的对应物之间的至少一个可测量的差异来识别将受数字滤波器影响的数字信号的区域, 存储在介质中的数字信号,以及播放的数字信号。 根据另一实施例,一种用于在内容信号中编码水印的方法包括以下步骤:(1)分割水印比特流; 和(2)使用水印比特流的反转实例来编码内容信号中的水印比特流的至少一半。 还公开了用于对数字水印进行编码/解码的其它方法和系统。