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    Systems and Methods For Efficient Messaging And Targeted IP Multicast Advertisement In Communication Networks
    2.
    发明申请
    Systems and Methods For Efficient Messaging And Targeted IP Multicast Advertisement In Communication Networks 有权
    用于通信网络中高效消息传递和目标IP组播广播的系统和方法

    公开(公告)号：US20100169916A1

    公开(公告)日：2010-07-01

    申请号：US12345884

    申请日：2008-12-30

    申请人： Armando Paul Stettner ,  Marcelo D. Lechner ,  Michael Patrick Ruffini ,  Harpal Singh Bassali

    发明人： Armando Paul Stettner ,  Marcelo D. Lechner ,  Michael Patrick Ruffini ,  Harpal Singh Bassali

    IPC分类号： H04N7/10 ,  G06Q30/00

    CPC分类号： H04N21/812 ,  G06Q30/02 ,  H04H60/46 ,  H04H2201/70 ,  H04N7/163 ,  H04N21/23439 ,  H04N21/25891 ,  H04N21/4532 ,  H04N21/6125 ,  H04N21/6405

    摘要： Systems, apparatus, methods and computer readable mediums for efficient and unconstrained information distribution and IP multicasting are provided. An exemplary method may include receiving, from a set top box, information indicative of criteria associated with targeted advertisement; and determining, at a set top box, whether the criteria corresponds to a characteristic of a household at which the criteria is received. The method may also include joining, from a set top box, a multicast group associated with the criteria in the event the criteria is determined to correspond to the characteristic of the household at which the criteria is received. The method may also include receiving, via multicast, at a set top box, the targeted advertisement associated with the criteria; and displaying, at a video display device, the targeted advertisement. The exemplary method may allow efficient and unconstrained information distribution leading to improved application quality and performance.

    摘要翻译： 提供了用于高效和无约束的信息分发和IP多播的系统，装置，方法和计算机可读介质。 示例性方法可以包括从机顶盒接收指示与目标广告相关联的标准的信息; 以及在机顶盒处确定所述准则是否对应于接收到所述标准的家庭的特征。 该方法还可以包括在机顶盒中加入与标准相关联的多播组，其中该标准被确定为对应于接收到该标准的家庭的特征。 该方法还可以包括经由组播在机顶盒处接收与标准相关联的目标广告; 以及在视频显示装置处显示所述目标广告。 该示例性方法可以允许有效和无约束的信息分发导致改进的应用质量和​​性能。

    Data embedding scheme with error diffusion
    4.
    发明授权
    Data embedding scheme with error diffusion 有权
    具有误差扩散的数据嵌入方案

    公开(公告)号：US06404899B1

    公开(公告)日：2002-06-11

    申请号：US09346104

    申请日：1999-07-01

    申请人： Saurabh Agarwal ,  Alok Aggarwal ,  Harpal Singh Bassali ,  Jatin Chhugani ,  Pradeep Kumar Dubey

    发明人： Saurabh Agarwal ,  Alok Aggarwal ,  Harpal Singh Bassali ,  Jatin Chhugani ,  Pradeep Kumar Dubey

    IPC分类号： G06K900

    CPC分类号： G06T1/0057 ,  G06T1/0028 ,  G06T2201/0061

    摘要： A method for data embedding in a digital image under the constraint of a pre-specified upper bound value on the amount of change in the value of a property associated with the image. For compression tolerant data hiding in digital images, a property is selected in which the required information can be embedded. The property should be such that the value obtained from the property before and after a lossy compression does not change by a significant amount, and the change should be bounded. The property should be such that a property value as obtained from the image will not vary due to compression, but only due to malicious tampering. The value obtained from the property is stored so that the image can be verified. The complete image is considered in deciding whether to increase or decrease the property value in a particular region. The method also takes into account the fact that blocks having values of 0 or L, corresponding to the minimum and maximum property values, respectively, are incapable of change in a particular region. The method also attempts to vary even the checksum (stored information), in addition to modifying the image so that the net resultant checksum and the modified image coincide with each other.

    摘要翻译： 一种用于在预先指定的上限值的约束下数字嵌入数字图像的方法，该方法是与图像相关联的属性的值的变化量。 对于隐藏在数字图像中的压缩容忍数据，选择可以嵌入所需信息的属性。 财产应该是从有损压缩之前和之后的财产获得的价值不会有大量的变化，变化应该是有限的。 属性应该使得从图像获得的属性值不会因压缩而变化，而只是由于恶意篡改。 存储从属性获得的值，以便可以验证图像。 在决定是否增加或减少特定区域中的属性值时考虑完整的图像。 该方法还考虑到具有对应于最小和最大属性值的值为0或L的块在特定区域中不能改变的事实。 除了修改图像之外，该方法还尝试改变校验和（存储的信息），使得净结果校验和和修改的图像彼此一致。

    Compression-tolerant watermarking scheme for image authentication
    5.
    发明授权
    Compression-tolerant watermarking scheme for image authentication 有权
    图像认证的压缩容忍水印方案

    公开(公告)号：US06246777B1

    公开(公告)日：2001-06-12

    申请号：US09273055

    申请日：1999-03-19

    申请人： Saurabh Agarwal ,  Alok Aggarwal ,  Harpal Singh Bassali ,  Jatin Chhugani ,  Pradeep Kumar Dubey

    发明人： Saurabh Agarwal ,  Alok Aggarwal ,  Harpal Singh Bassali ,  Jatin Chhugani ,  Pradeep Kumar Dubey

    IPC分类号： G06K900

    CPC分类号： G06T1/0057 ,  G06T2201/0051

    摘要： A verification system for still images that embeds a watermark so that no visual artifacts are created in the images and thus maintains the visual quality of the image. The algorithm embeds information in an uncompressed image so as to later detect the alteration of the image, as well as the location of the alteration. The embedding of information into a source image is based on a defined mapping process. An image plane consists of macroblocks, which are themselves comprised of microblocks. A code is embedded corresponding to the value of this image property in each macroblock. The specific sequence of microblocks used for embedding this information in the watermarking image plane is a unique function of this property for the corresponding set of microblocks in the indexing image plane. This information can be later decoded from the stamped image. The watermark is embedded by combining the pixel values of the image with the watermark. The watermark is altered if the image is altered.

    摘要翻译： 用于嵌入水印的静止图像的验证系统，使得在图像中不产生视觉伪影，从而保持图像的视觉质量。 该算法将信息嵌入到未压缩图像中，以便稍后检测图像的改变以及改变的位置。 将信息嵌入到源图像中是基于定义的映射过程。 图像平面由宏块组成，宏块本身由微块组成。 在每个宏块中嵌入与该图像属性的值相对应的代码。 用于将该信息嵌入水印图像平面中的微块的特定序列是该索引图像平面中相应的微块集合的该属性的唯一函数。 该信息可以稍后从加盖的图像中解码。 通过将图像的像素值与水印相结合来嵌入水印。 如果图像被改变，则改变水印。