Watermarking via quantization of statistics of overlapping regions
    1.
    发明授权
    Watermarking via quantization of statistics of overlapping regions 有权
    通过对重叠区域的统计量量化进行水印

    公开(公告)号:US07095873B2

    公开(公告)日:2006-08-22

    申请号:US10187073

    申请日:2002-06-28

    IPC分类号: G06K9/00

    摘要: An implementation of a technology, described herein, for facilitating watermarking of digital goods. At least one implementation, described herein, performs quantization watermarking based upon semi-global characteristics of multiple regions of the digital good. Such regions are permissively overlapping. The scope of the present invention is pointed out in the appending claims.

    摘要翻译: 本文描述的用于促进数字商品的水印加密的技术的实现。 这里描述的至少一个实施方式基于数字商品的多个区域的半全局特性执行量化水印。 这些区域是允许重叠的。 在所附权利要求中指出了本发明的范围。

    Correlative assessment between scanned and original digital images
    2.
    发明授权
    Correlative assessment between scanned and original digital images 有权
    扫描和原始数字图像之间的相关性评估

    公开(公告)号:US07391884B2

    公开(公告)日:2008-06-24

    申请号:US10714581

    申请日:2003-11-14

    IPC分类号: G06K9/00

    CPC分类号: H04N1/00838

    摘要: Exemplary methods for performing a statistical analysis of scanned images are disclosed. The methods described herein may be embodied as logic instructions on a computer-readable medium. In one exemplary implementation a correlation value is determined between a scanned image included in a digital file and an original digital image, and a signal is generated indicating whether the correlation value exceeds a threshold.

    摘要翻译: 公开了用于执行扫描图像的统计分析的示例性方法。 本文描述的方法可以体现为计算机可读介质上的逻辑指令。 在一个示例性实施例中,在包括在数字文件中的扫描图像与原始数字图像之间确定相关值,并且生成指示相关值是否超过阈值的信号。

    Stealthy secret key encoding and decoding
    3.
    发明授权
    Stealthy secret key encoding and decoding 有权
    隐秘秘密密钥编码和解码

    公开(公告)号:US07302079B2

    公开(公告)日:2007-11-27

    申请号:US10716993

    申请日:2003-11-19

    IPC分类号: H04K1/00

    摘要: An implementation is described herein facilitates certification of goods and/or identifications of the source of such goods. At least one implementation, described herein, embeds a watermark into a relatively small amount of data in a deterministic manner. At least one implementation, described herein, generates an authentication transformation matrix based, at least in part, upon an authentication watermark and a pre-defined humanly perceptible authentication pattern (e.g., image, audio). With this implementation, it obtains subject goods that may have the authentication watermark embedded therein. It generates a humanly perceptible resultant pattern (e.g., image, audio) based, at least in part, upon the watermark detected in subject goods and the transformation matrix. If the detected watermark is the authentication watermark, then the resultant pattern and the pre-defined authentication pattern will match (or nearly so). At least one implementation, described herein, hides a secret key around the periphery of watermarked goods. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.

    摘要翻译: 这里描述的实施方式有助于对这些货物的来源的货物和/或标识的认证。 本文描述的至少一个实施方案以确定性方式将水印嵌入相对少量的数据。 至少一个本文描述的实施方案至少部分地基于认证水印和预定义的人为可感知的认证模式(例如,图像,音频)来生成认证转换矩阵。 通过这种实现,它获得可以将认证水印嵌入其中的对象商品。 至少部分地,基于在主题货物和变换矩阵中检测到的水印产生人为可感知的合成图案(例如,图像,音频)。 如果检测到的水印是认证水印,则所得到的模式和预定义的认证模式将匹配(或几乎相同)。 本文描述的至少一个实现在水印商品的周围隐藏秘密密钥。 本摘要本身并不旨在限制本专利的范围。 在所附权利要求中指出了本发明的范围。

    Watermark-based goods authentication
    4.
    发明授权
    Watermark-based goods authentication 有权
    基于水印的货物认证

    公开(公告)号:US07257234B2

    公开(公告)日:2007-08-14

    申请号:US10641684

    申请日:2003-08-14

    IPC分类号: H04K1/00

    摘要: An implementation is described herein facilitates certification of goods and/or identifications of the source of such goods. At least one implementation, described herein, embeds a watermark into a relatively small amount of data in a deterministic manner. At least one implementation, described herein, generates an authentication transformation matrix based, at least in part, upon an authentication watermark and a pre-defined humanly perceptible authentication pattern (e.g., image, audio). With this implementation, it obtains subject goods that may have the authentication watermark embedded therein. It generates a humanly perceptible resultant pattern (e.g., image, audio) based, at least in part, upon the watermark detected in subject goods and the transformation matrix. If the detected watermark is the authentication watermark, then the resultant pattern and the pre-defined authentication pattern will match (or nearly so). At least one implementation, described herein, hides a secret key around the periphery of watermarked goods. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.

    摘要翻译: 这里描述的实施方式有助于对这些货物的来源的货物和/或标识的认证。 本文描述的至少一个实施方案以确定性方式将水印嵌入相对少量的数据。 至少一个本文描述的实施方案至少部分地基于认证水印和预定义的人为可感知的认证模式(例如,图像,音频)来生成认证转换矩阵。 通过这种实现,它获得可以将认证水印嵌入其中的对象商品。 至少部分地,基于在主题货物和变换矩阵中检测到的水印产生人为可感知的合成图案(例如,图像,音频)。 如果检测到的水印是认证水印,则所得到的模式和预定义的认证模式将匹配(或几乎相同)。 本文描述的至少一个实现在水印商品的周围隐藏秘密密钥。 本摘要本身并不旨在限制本专利的范围。 在所附权利要求中指出了本发明的范围。

    Estimating orientation angle and translation values of a scanned image
    5.
    发明授权
    Estimating orientation angle and translation values of a scanned image 有权
    估计扫描图像的方位角和平移值

    公开(公告)号:US07454088B2

    公开(公告)日:2008-11-18

    申请号:US10719690

    申请日:2003-11-20

    IPC分类号: G06K9/36

    CPC分类号: G06K9/32

    摘要: Exemplary methods for estimating an orientation angle and a translation values for scanned images are disclosed. The methods described herein may be embodied as logic instructions on a computer-readable medium. In one exemplary implementation meaningful image information is removed from a scanned image, resulting in a transformed image that comprises alternating, parallel lines disposed at an orientation angle relative to an orthogonal axis. The orientation angle may be determined using geometric techniques or statistical correlation techniques, and statistical correlation techniques may be implemented to determine translation values.

    摘要翻译: 公开了用于估计用于扫描图像的取向角度和平移值的示例性方法。 本文描述的方法可以体现为计算机可读介质上的逻辑指令。 在一个示例性实施例中,从扫描图像中去除有意义的图像信息,导致变换图像,其包括以相对于正交轴线的取向角度设置的交替的平行线。 可以使用几何技术或统计相关技术来确定取向角,并且可以实现统计相关技术来确定平移值。

    Estimating Orientation Angle And Translation Values Of A Scanned Image
    7.
    发明申请
    Estimating Orientation Angle And Translation Values Of A Scanned Image 失效
    估计扫描图像的方向角度和翻译值

    公开(公告)号:US20090067748A1

    公开(公告)日:2009-03-12

    申请号:US12272335

    申请日:2008-11-17

    IPC分类号: G06K9/36

    CPC分类号: G06K9/32

    摘要: Exemplary methods for estimating an orientation angle and a translation values for scanned images are disclosed. The methods described herein may be embodied as logic instructions on a computer-readable medium. In one exemplary implementation meaningful image information is removed from a scanned image, resulting in a transformed image that comprises alternating, parallel lines disposed at an orientation angle relative to an orthogonal axis. The orientation angle may be determined using geometric techniques or statistical correlation techniques, and statistical correlation techniques may be implemented to determine translation values.

    摘要翻译: 公开了用于估计用于扫描图像的取向角度和平移值的示例性方法。 本文描述的方法可以体现为计算机可读介质上的逻辑指令。 在一个示例性实施例中,从扫描图像中去除有意义的图像信息,导致变换图像,其包括以相对于正交轴线的取向角度设置的交替的平行线。 可以使用几何技术或统计相关技术来确定取向角,并且可以实现统计相关技术来确定平移值。