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    • 4. 发明授权
    • Methods and system for analyzing and rating images for personalization
    • 用于个性化分析和评估图像的方法和系统
    • US09042640B2
    • 2015-05-26
    • US13349751
    • 2012-01-13
    • Raja BalaZhigang FanHengzhou DingJan P. AllebachCharles A. BoumanReuven J. Sherwin
    • Raja BalaZhigang FanHengzhou DingJan P. AllebachCharles A. BoumanReuven J. Sherwin
    • G06K9/62G06K9/00G06K9/32
    • G06K9/00671G06K9/3258
    • As set forth herein, a computer-implemented method facilitates pre-analyzing an image and automatically suggesting to the user the most suitable regions within an image for text-based personalization. Image regions that are spatially smooth and regions with existing text (e.g. signage, banners, etc.) are primary candidates for personalization. This gives rise to two sets of corresponding algorithms: one for identifying smooth areas, and one for locating text regions. Smooth regions are found by dividing the image into blocks and applying an iterative combining strategy, and those regions satisfying certain spatial properties (e.g. size, position, shape of the boundary) are retained as promising candidates. In one embodiment, connected component analysis is performed on the image for locating text regions. Finally, based on the smooth and text regions found in the image, several alternative approaches are described herein to derive an overall metric for “suitability for personalization.”
    • 如本文所述,计算机实现的方法有助于预分析图像并且自动地向用户建议图像内的最合适的区域用于基于文本的个性化。 具有空间平滑的图像区域和具有现有文本的区域(例如标牌,横幅等)是用于个性化的主要候选者。 这产生了两组相应的算法:一种用于识别平滑区域,一种用于定位文本区域。 通过将图像划分成块并应用迭代组合策略来找到平滑区域,并且满足某些空间属性(例如,边界的大小,位置,形状)的那些区域被保留为有希望的候选者。 在一个实施例中,对用于定位文本区域的图像执行连接分量分析。 最后,基于图像中发现的平滑和文本区域,本文描述了几种替代方法,以得出“适合个性化”的总体度量。
    • 8. 发明授权
    • Hierarchical multidimensional lookup table generation
    • 分层多维查找表生成
    • US08526727B2
    • 2013-09-03
    • US12815823
    • 2010-06-15
    • Martin S. MaltzRaja BalaLalit Keshav Mestha
    • Martin S. MaltzRaja BalaLalit Keshav Mestha
    • G06K9/00G06K9/36G06K1/00G06F15/00H04N1/60G03F3/08G09G5/02
    • G06K9/00G06T11/001
    • A system and method for generating a hierarchical LUT for implementing a color transformation within a color imaging system. In one embodiment, a coarse LUT is received which comprises a plurality of sub-cubes arrayed on a plurality of coarse levels on a structured coarse grid. Each of the sub-cubes encompasses at least one coarse LUT node. Sub-cubes in the coarse grid are identified that are bisected by a boundary surface of the gamut. Then, each of the identified coarse LUT sub-cubes are associated with fine LUT which comprises a plurality of fine LUT nodes arrayed on a plurality of fine levels on a structured fine grid. A hierarchical LUT is generated from the coarse LUT and the associated fine LUTs. Thereafter, the hierarchical LUT can be used for color transformation within a color imaging system.
    • 一种用于生成用于在彩色成像系统内实现颜色变换的分层LUT的系统和方法。 在一个实施例中,接收粗略LUT,其包括排列在结构化粗网格上的多个粗略级上的多个子立方体。 每个子立方体包含至少一个粗略LUT节点。 识别粗网格中的子立方体,其被色域的边界面平分。 然后,识别的粗略LUT子立方体中的每一个都与精细LUT相关联,该精细LUT包括排列在结构化细网格上的多个精细级上的多个精细LUT节点。 从粗略LUT和相关联的精细LUT生成分层LUT。 此后,分层LUT可以用于彩色成像系统内的颜色变换。
    • 9. 发明授权
    • Infrared encoding of security elements using standard xerographic materials with distraction patterns
    • 使用具有分心模式的标准静电复印材料对安全元件进行红外编码
    • US08455087B2
    • 2013-06-04
    • US11758359
    • 2007-06-05
    • Reiner EschbachRaja BalaMartin S Maltz
    • Reiner EschbachRaja BalaMartin S Maltz
    • G03C1/00
    • G03G21/046Y10T428/24802
    • The teachings as provided herein relate to a watermark embedded in an image that has the property of being relatively indecipherable under normal light, and yet decipherable under infrared illumination when viewed by a suitable infrared sensitive device. This infrared mark entails in combination with at least one distraction pattern, a substrate reflective to infrared radiation, and a first colorant mixture and second colorant mixture printed as an image upon the substrate. The first colorant mixture layer in connection with the substrate has a property of strongly reflecting infrared illumination, as well as a property of low contrast under normal illumination against a second colorant mixture as printed in close spatial proximity to the first colorant mixture pattern, such that the resultant image rendered substrate suitably exposed to an infrared illumination, will yield a discernable image evident as a infrared mark to a suitable infrared sensitive device.
    • 本文提供的教导涉及嵌入在图像中的水印,其具有在正常光线下相对不可解译的性质,并且在由合适的红外敏感装置观看时在红外照明下可解码。 该红外标记需要与至少一个分散图案,反射红外辐射的基底以及作为图像印刷在基底上的第一着色剂混合物和第二着色剂混合物组合。 与基底相关的第一着色剂混合物层具有强烈反射红外照明的性质,以及在正常照射下对第二着色剂混合物的低对比度的性质,其与第一着色剂混合物图案紧密相邻地印刷,使得 适当地暴露于红外照明的所得到的图像渲染基板将产生作为适合的红外敏感装置的红外标记显而易见的可识别图像。
    • 10. 发明授权
    • Finding a locus of colorant formulations that produces a desired color
    • 找到产生所需颜色的着色剂配方的位置
    • US08451521B2
    • 2013-05-28
    • US12782362
    • 2010-05-18
    • Martin S. MaltzRaja BalaYonghui ZhaoMatthew Frederick Hoffmann
    • Martin S. MaltzRaja BalaYonghui ZhaoMatthew Frederick Hoffmann
    • G03F3/08
    • H04N1/6019
    • What is disclosed is a novel system and method for converting a set of L*a*b* values to CMYK color space in which all CMYK formulations that produce each L*a*b* value are found and enumerated. The CMYK formulations are found through a search algorithm starting with the lightest L*a*b* values then visiting neighboring L*a*b* values until the entire L*a*b* color set has been processed. The CMYK space is tessellated into a set of pentahedrons, and for each L*a*b* value, an enclosing pentahedron is found and the CMYK values corresponding to where the locus of this point penetrates each surface is recorded. Adjacent pentahedrons are then visited and this process continues until the gamut boundary is reached. The result is a piecewise linear representation of the CMYK locus containing all values that will give the target L*a*b* value. The present method provides a flexible and powerful approach for solving color management problems.
    • 所公开的是用于将一组L * a * b *值转换为CMYK颜色空间的新型系统和方法,其中发现并列举了产生每个L * a * b *值的所有CMYK公式。 通过搜索算法找到CMYK公式,从最轻的L * a * b *值开始,然后访问相邻的L * a * b *值,直到整个L * a * b *颜色集合被处理。 CMYK空间被镶嵌成一组五面体,并且对于每个L * a * b *值,找到一个包围的五面体,并且记录与该点的轨迹穿过每个表面的位置相对应的CMYK值。 然后访问相邻的五面体,并且该过程继续,直到达到色域边界。 结果是包含将给出目标L * a * b *值的所有值的CMYK轨迹的分段线性表示。 本方法为解决颜色管理问题提供了灵活而强大的方法。