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    • 2. 发明授权
    • Guilloche mark generation
    • Guilloche标记代
    • US08681387B2
    • 2014-03-25
    • US12958819
    • 2010-12-02
    • Martin S. MaltzZhigang FanReiner EschbachJudith Stinehour
    • Martin S. MaltzZhigang FanReiner EschbachJudith Stinehour
    • H04N1/32
    • H04N1/0044H04N1/00883
    • A method and system for creating guilloché base pattern with two-dimensional periodicity in a plurality of replicate patterns is shown wherein the creating can be assessed in real-time for pattern acceptability by a user. A base pattern is set on an imaging device in vector space relative to a set of predetermined pattern nodes. The base pattern is modulated via a user interface by adjusting positions of the pattern known for selectively controlling curve shapes of the pattern. A guilloché mark is illustrated by display on the imaging device of the adjusted base pattern and a compilation of associated replicate patterns for user assessment of the mark.
    • 示出了用于在多个重复图案中创建具有二维周期性的illo形基底图案的方法和系统,其中可以实时地评估创建以便用户的图案可接受性。 在相对于一组预定图案节点的向量空间中的成像装置上设置基本图案。 通过调整已知的用于选择性地控制图案的曲线形状的图案的位置,经由用户界面调制基本图案。 通过在成像装置上显示调整后的基本图案和用于用户评估标记的相关联的重复图案的汇编来说明illo迹标记。
    • 4. 发明申请
    • VARIABLE DATA IMAGE WATERMARKING USING INFRARED SEQUENCE STRUCTURES IN BLACK SEPARATION
    • 在黑色分离中使用红外序列结构的可变数据图像水印
    • US20140022603A1
    • 2014-01-23
    • US13553338
    • 2012-07-19
    • Reiner EschbachZhigang FanMartin E. Hoover
    • Reiner EschbachZhigang FanMartin E. Hoover
    • G06K15/02
    • G06T1/0028G06T2201/0051H04N1/32261H04N1/32309H04N1/32331H04N1/32352H04N2201/327
    • An image watermarking method includes a color transform on RGB image data to derive CMYK image data that define a constant K image. Variable infrared (IR) mark data defining an IR mark are received and a sparse two-dimensional pattern of black pixels is defined that corresponds to the variable IR data, e.g., using Gold codes or pseudorandom binary sequences. A watermarked black separation K″ is defined by embedding the sparse two-dimensional pattern into the constant K black separation K′ while maintaining local average levels. A watermarked image includes the watermarked black separation K″ in combination with the CMY separations of the constant K image. A decoding process includes using an IR microscope fitted with IR LEDs and an IR pass filter to capture an IR image, which is subjected to exposure correction, thresholding, and dilation operations to extract the two-dimensional pattern for subsequent correlation processing.
    • 图像水印方法包括对RGB图像数据进行颜色变换以导出定义常数K图像的CMYK图像数据。 接收定义IR标记的可变红外(IR)标记数据,并且例如使用Gold码或伪随机二进制序列来定义对应于可变IR数据的稀疏二维图案的黑色像素。 通过将稀疏二维图案嵌入到常数K黑色分离K'中同时保持局部平均水平来定义水印黑色分离K“。 水印图像包括与常数K图像的CMY分离相结合的水印黑色分离K“。 解码过程包括使用装有IR LED的IR显微镜和IR通过滤光片来捕获经过曝光校正,阈值和扩张操作的IR图像,以提取二维图案用于随后的相关处理。
    • 7. 发明授权
    • Colorimetric matching the perception of a digital data file to hardcopy legacy
    • 比色法将数字数据文件的感知与硬拷贝遗留匹配
    • US08456704B2
    • 2013-06-04
    • US12814579
    • 2010-06-14
    • Vishal MongaJudith StinehourReiner Eschbach
    • Vishal MongaJudith StinehourReiner Eschbach
    • H04N1/48H04N1/40H04N1/46G03F3/08
    • H04N1/6033
    • A system/method of color match assessment for electronic documents includes receiving digital data defining a composite electronic document including a raster image object having an edge and a color graphics object bordering the edge of the raster image object. The pixel color values defining the edge of the raster image object are processed to estimate a local color variance of the pixel color values. The local color variance is used to determine if the edge can be color matched to the bordering color graphics object. If the edge can be color matched, a match color for the edge is derived. The match color is associated with the digital data defining the electronic document so that a downstream object color match system can use the match color as needed.
    • 用于电子文档的颜色匹配评估的系统/方法包括接收定义包括具有边缘的光栅图像对象和与光栅图像对象边缘接近的彩色图形对象的复合电子文档的数字数据。 处理定义光栅图像对象边缘的像素颜色值,以估计像素颜色值的局部颜色方差。 局部颜色方差用于确定边缘是否可以与边界颜色图形对象进行颜色匹配。 如果边缘可以匹配,则会导出边缘的匹配颜色。 匹配颜色与定义电子文档的数字数据相关联,使得下游对象颜色匹配系统可以根据需要使用匹配颜色。
    • 10. 发明授权
    • Infrared watermarking of photographic images by matched differential black strategies
    • 通过匹配差分黑色策略的摄影图像的红外水印
    • US08111432B2
    • 2012-02-07
    • US12106709
    • 2008-04-21
    • Reiner EschbachMartin S. Maltz
    • Reiner EschbachMartin S. Maltz
    • H04N1/40H04N1/46G06K9/00
    • H04N1/32309
    • A system and method for infrared watermarking using gray component replacement and other color removal schemes is shown. This method includes providing a substrate and implementing two infrared absorption strategies, one with low infrared absorption and the other with high infrared absorption. These two strategies are then combined in order to form two gamuts with substantially similar shapes. This combination can be made by blending the gamuts at areas where one of the strategies do not meet or implementing the intersection of the two gamuts. A watermark is then printed along with an image. The resultant image with watermark is void of artifacts while still having a consistent watermark signal.
    • 示出了使用灰色组件替换和其他颜色去除方案的红外水印的系统和方法。 该方法包括提供基板并实现两个红外吸收策略,一个具有低红外吸收,另一个具有高红外吸收。 然后组合这两种策略以形成具有基本相似形状的两个色域。 这种组合可以通过在其中一个策略不满足或实现两个色域的交点的区域混合色域来进行。 然后将水印与图像一起打印。 所得到的具有水印的图像在没有伪像的同时仍然具有一致的水印信号。