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    Pre-filteriing to increase watermark signal-to-noise ratio
    1.
    发明授权
    Pre-filteriing to increase watermark signal-to-noise ratio 有权
    预过滤以增加水印信噪比

    公开(公告)号：US06988202B1

    公开(公告)日：2006-01-17

    申请号：US09527971

    申请日：2000-03-17

    申请人： Geoffrey Rhoads ,  Adnam M. Alattar ,  Ravi K. Sharma

    发明人： Geoffrey Rhoads ,  Adnam M. Alattar ,  Ravi K. Sharma

    IPC分类号： G06F11/30

    CPC分类号： G06T1/005 ,  G06T2201/0065 ,  H04N1/32154 ,  H04N1/32267 ,  H04N1/3232 ,  H04N1/32336

    摘要： Utilizes pre-processing (pre-filtering) of target data in order to facilitate and enable robust extraction of a watermark signal. With the present invention the watermarked data is pre-filtered using knowledge of the watermark signal. That is, utilizing knowledge of the characteristics of the watermark signal (for example that it falls in a certain frequency range), aspects or portions of the signal that do not carry the watermark signal are eliminated by filtering. Such filtering can amplify the watermark signal and/or simultaneously reduces the strength of the original (host) content or noise in the data signal that contains the watermark. That is, pre-filtering increases the signal-to-noise ratio of the watermark signal and facilitates the watermark extraction steps (detection and decoding). With the present invention it is possible to extract weak watermark signals from target data.

    摘要翻译： 利用目标数据的预处理（预过滤），以促进和实现水印信号的鲁棒提取。 利用本发明，使用水印信号的知识对水印数据进行预滤波。 也就是说，利用水印信号的特性的知识（例如，它落在一定的频率范围内），通过滤波来消除不携带水印信号的信号的方面或部分。 这样的滤波可以放大水印信号和/或同时降低包含水印的数据信号中的原始（主机）内容或噪声的强度。 也就是说，预滤波增加了水印信号的信噪比，并促进了水印提取步骤（检测和解码）。 利用本发明，可以从目标数据中提取弱水印信号。

    Watermark detection utilizing regions with higher probability of success
    2.
    发明授权
    Watermark detection utilizing regions with higher probability of success 有权

    公开(公告)号：US06442284B1

    公开(公告)日：2002-08-27

    申请号：US09302663

    申请日：1999-04-30

    申请人： Ammon Gustafson ,  Geoffrey Rhoads ,  Adnan V. Alattar ,  Ravi K. Sharma ,  Clay Davidson

    发明人： Ammon Gustafson ,  Geoffrey Rhoads ,  Adnan V. Alattar ,  Ravi K. Sharma ,  Clay Davidson

    IPC分类号： G06K900

    CPC分类号： G06T1/0078

    摘要： The present invention detects the presence of a watermark in-an image by using a multi-step process. First, the image is examined to determine which regions of the image have characteristics such that there is a high probability that a watermark signal can be detected in that region of the image. Next the regions that have a high probability that a watermark can be detected (in contrast to all regions of the image) are examined to find watermark data. In order to determine the probability of finding watermark data in a particular region of an image, the amount of “variance” in the intensity of the pixels in the region is first examined. For example a region that is entirely white or entirely black has zero variance in luminance. Such a region can not carry watermark data, hence regions with zero or low variance can be eliminated from further processing. Furthermore, if a high variance in a region is a result of the fact that the region has an abrupt border or edge between two highly contrasting regions, the high variance does not indicate a high probability that a watermark signal will be detected in the region. Therefore, after regions with high variance are located, these regions are next examined to look for regions with high edginess spread. Finally, regions with the high variance and high edginess spread are selected for further processing to detect watermark data. For those regions selected for further processing, the detection process can be enhanced by filtering the data with a two step process to increase the signal to noise ratio of the watermark signal. First a high pass filter (e.g. a Laplacian operator) is applied to each region. This filtering operation in effect established a new intensity value for each pixel in the region. Next a nonlinear operator (e.g. a signum function) is applied to the output from the first filter operation. The resulting data is examined to detect watermark data.

    Methods For Monitoring Audio And Images On The Internet
    3.
    发明申请
    Methods For Monitoring Audio And Images On The Internet 失效
    在互联网上监控音频和图像的方法

    公开(公告)号：US20070286451A1

    公开(公告)日：2007-12-13

    申请号：US11668927

    申请日：2007-01-30

    申请人： Geoffrey Rhoads

    发明人： Geoffrey Rhoads

    IPC分类号： G06K9/00

    CPC分类号： G06T1/0064 ,  G06T2201/0051 ,  H04N1/32144 ,  H04N2201/323

    摘要： An Internet monitoring method identifies content on the Internet through embedded data and pattern matching, determines the owners of the content and notifies the owners of this use of their audio or images on the Internet.

    摘要翻译： 互联网监控方法通过嵌入式数据和模式匹配来确定互联网上的内容，确定内容的所有者，并将其在互联网上的音频或图像的使用通知业主。

    Fingerprinting of Media Signals
    4.
    发明申请
    Fingerprinting of Media Signals 有权
    媒体信号的指纹识别

    公开(公告)号：US20070250716A1

    公开(公告)日：2007-10-25

    申请号：US11738973

    申请日：2007-04-23

    申请人： Hugh Brunk ,  Geoffrey Rhoads ,  Kenneth Levy

    发明人： Hugh Brunk ,  Geoffrey Rhoads ,  Kenneth Levy

    IPC分类号： H04L9/00

    CPC分类号： H04K1/00 ,  G06F21/10 ,  G10L19/018 ,  G10L25/48

    摘要： The present invention relates generally to fingerprinting, e.g., a reduced-bit representation or other identifier of a media signal (e.g., audio, video or still images). One method recites: receiving a partial fingerprint of a media signal, wherein the partial fingerprint is derived from the media signal itself, the partial fingerprint being computed a first location; processing the partial fingerprint to obtain a more refined fingerprint, relative to the partial fingerprint, the act of processing occurring at a second location that is remote from the first location; and based at least in part of the refined fingerprint, identifying the media signal or information associated with the media signal. Another method recites: obtaining a fingerprint derived from a media signal, the fingerprint comprising a reduce-bit representation of the media signal; determining information associated with the fingerprint or the media signal; and causing a text message to be sent to a mobile device representing at least a portion of the information. Of course, other methods and combinations are described and claimed as well.

    摘要翻译： 本发明一般涉及指纹，例如媒体信号（例如，音频，视频或静止图像）的缩减比特表示或其他标识符。 一种方法叙述：接收媒体信号的部分指纹，其中从媒体信号本身导出部分指纹，部分指纹在第一位置被计算; 处理部分指纹以相对于部分指纹获得更精细的指纹，处理发生在远离第一位置的第二位置处的动作; 并且至少部分地基于精细指纹，识别与媒体信号相关联的媒体信号或信息。 另一种方法说明：获得从媒体信号导出的指纹，指纹包括媒体信号的缩小位表示; 确定与指纹或媒体信号相关联的信息; 并且使文本消息被发送到表示信息的至少一部分的移动设备。 当然，也描述和要求保护其他方法和组合。

    Methods and Systems Employing Digital Content
    5.
    发明申请
    Methods and Systems Employing Digital Content 有权

    公开(公告)号：US20070250195A1

    公开(公告)日：2007-10-25

    申请号：US11746811

    申请日：2007-05-10

    申请人： Geoffrey Rhoads ,  Kenneth Levy

    发明人： Geoffrey Rhoads ,  Kenneth Levy

    IPC分类号： G06F17/00

    CPC分类号： G06Q30/02 ,  G06Q30/00 ,  G06Q30/0277 ,  G06Q30/06 ,  G06Q30/0601 ,  G06Q50/01

    摘要： A portable device for use with audio or visual content (e.g., an MP3 player-like device, or a camera-enabled device) is equipped with one or more features/capabilities, including: a user interface through which a consumer can instruct that content be delivered to a different consumer's device, the ability to derive identifiers from content and take action(s) based thereon, the ability to count playbacks of content; and/or the ability to interact with remote web services. A variety of other features and arrangements are also detailed.

    Rules Driven Pan ID Metadata Routing System and Network
    6.
    发明申请
    Rules Driven Pan ID Metadata Routing System and Network 有权

    公开(公告)号：US20070208711A1

    公开(公告)日：2007-09-06

    申请号：US11614947

    申请日：2006-12-21

    申请人： Geoffrey Rhoads ,  Tony Rodriguez ,  Kenneth Levy

    发明人： Geoffrey Rhoads ,  Tony Rodriguez ,  Kenneth Levy

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30908 ,  G06F17/30 ,  G06F17/30017 ,  G06F17/3002 ,  G06F17/30026 ,  G06F17/30038 ,  G06F17/30047 ,  G06F17/30289 ,  G06F17/30292 ,  G06F17/30743 ,  G06F17/30749 ,  G06F17/30778 ,  G06F17/30864 ,  G06F17/30876 ,  G06F17/30979 ,  G06F17/30991 ,  G06F21/10 ,  G06Q10/06 ,  G06Q10/10 ,  G06Q30/00 ,  G06Q30/02 ,  H04L65/4084 ,  H04L67/10 ,  H04L67/22 ,  H04L67/327 ,  H04N1/32283 ,  H04N21/218 ,  H04N21/2343 ,  H04N21/235 ,  H04N21/2355 ,  H04N21/23892 ,  H04N21/252 ,  H04N21/25891 ,  H04N21/26258 ,  H04N21/41407 ,  H04N21/42203 ,  H04N21/435 ,  H04N21/4415 ,  H04N21/4722 ,  H04N21/84 ,  H04N21/854 ,  H04N21/8586

    摘要： A method of associating a content object with metadata uses a combination of a content identifier and a bounding identifier to enable handling of disparate sets of content identifiers for content objects with potentially conflicting content identifiers. The method receives a content identifier for a content object from among a set of content identifiers. It provides a unique bounding identifier for the set of content identifiers. This unique bounding identifier is used in combination with the content identifier to form a globally unique identifier for the content object. This globally unique identifier is associated with a metadata source, which enables routing of a user to the metadata source. Another novel method addresses content objects with two or more content identifiers, potentially referencing different metadata sources. This method registers different globally unique identifiers for a content object. These globally unique identifiers each comprise a content identifier provided with the content object and a bounding identifier identifying a set of content identifiers of which the content identifier is a member. For each of the globally unique identifiers, information is maintained about a metadata source. The method receives a first content identifier for the content object, and uses a bounding identifier associated with the set of the first content identifier to determine the globally unique identifier for the first content identifier. The user is routed to the metadata source associated with globally unique identifier. This document describes a novel system that enables multiple identity providers (ID Providers) to register and use the system. The ID Provider registers with a metadata directory system, receives a unique bounding identifier, and uses this bounding ID (e.g., an ID provider ID) with subsequent interactions with the metadata directory system. Separately, metadata source providers register metadata sources with the metadata directory system. This enables many different participants to associate content objects with metadata sources using one or more identify providers. Examples of metadata source providers include content providers, like content owners or retailers that have the flexibility of working with different ID providers to associate content objects with metadata. Both content providers and ID providers can register and use the system. The metadata source is the system or device that provides the metadata, like a web site. The directory system uses an identifier for the metadata source, which enables it to maintain an association between a content object and its corresponding metadata source. For example, in some embodiments, a URL serves to identify the location of the source. The Content Metadata Directory Services (CMDS) is a global trusted directory service that connects consumers of identified content to content-provider authorized and managed metadata databases and other digital resources. It includes mostly links to metadata, forms globally unique IDs based upon overlapping content identifiers and unique bounding identifiers, enables multiple content identifiers within a content object, and enables multiple content identity technology providers, even when they are using different technology.