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    • 32. 发明授权
    • Text representation method and apparatus
    • 文本表示方法和装置
    • US08086040B2
    • 2011-12-27
    • US11950883
    • 2007-12-05
    • Zhigang FanFrancis K. Tse
    • Zhigang FanFrancis K. Tse
    • G06K9/00
    • G06K9/6202G06K2209/01H04N1/41
    • A text-like data representation technique and a text-like data representation apparatus are disclosed that may: acquire image data from a scanned image; segment text regions from the image data; further extract each connected component in the text regions; form clusters based on the connected components; group each connected component in the text regions into one of the clusters with similar or identical characters; generate a high-resolution representative for each cluster; generate a vector representation for each high-resolution representative; and code the text as text data by associating each connected component with its vectorized high-resolution representative, and location in the document.
    • 公开了类似文本的数据表示技术和文本数据表示设备,其可以:从扫描图像获取图像数据; 从图像数据中分割文本区域; 进一步提取文本区域中的每个连接的组件; 基于连接的组件形成集群; 将文本区域中的每个连接的组件分组成具有相似或相同字符的集群之一; 为每个集群生成高分辨率代表; 为每个高分辨率代表生成矢量表示; 并通过将每个连接的组件与其向量化的高分辨率代表和文档中的位置相关联来将文本编码为文本数据。
    • 34. 发明申请
    • IMAGE PROCESSING SYSTEM WITH ELECTRONIC BOOK READER MODE
    • 具有电子书阅读器模式的图像处理系统
    • US20110242610A1
    • 2011-10-06
    • US12754942
    • 2010-04-06
    • Zhigang FanTonya L. Love
    • Zhigang FanTonya L. Love
    • H04N1/409
    • H04N1/4074H04N1/00795H04N1/00801H04N1/00811H04N1/00816H04N1/00822H04N1/00827H04N1/3872H04N1/3878H04N1/40062H04N1/4092H04N2201/0094
    • An image processing system such as a multi-function device (MFD) with an “e-reader” mode is disclosed. The e-reader mode can be activated by a user from the MFD user interface, or automatically detected by the system if the mode is set to “auto.” Once in e-reader mode, the system automatically locates the area corresponding to the e-reader screen, crops it, de-skews it when necessary, and enhances the image. In addition, N-Up (printing several pages of content on one physical page) may be applied if users desire. The enhancement adjusts background color, boosts the contrast, and de-blurs the image when necessary. Two embodiments of enhancement are presented. The first one performs Tone Reproduction Curve (TRC) adjustment and possible de-blurring on the entire screen area. The second one segments the screen area into three kinds of objects (text/picture/background). Different TRCs are applied to enhance the objects.
    • 公开了诸如具有“电子阅读器”模式的多功能装置(MFD)的图像处理系统。 电子阅读器模式可以由用户从MFD用户界面激活,或者如果模式设置为“自动”,则由系统自动检测。一旦进入电子阅读器模式,系统自动定位对应于e - 读者屏幕,作物,必要时去除它,并增强图像。 另外,如果用户期望,可以应用N-Up(在一个物理页面上打印多页内容)。 增强调整背景颜色,增强对比度,并在必要时对图像进行去模糊。 提出了两个增强实施例。 第一个在整个屏幕区域执行音调再现曲线(TRC)调整和可能的去模糊。 第二个将屏幕区域分为三种对象(文本/图片/背景)。 应用不同的TRC来增强对象。
    • 35. 发明授权
    • Image output color management system and method
    • 图像输出颜色管理系统及方法
    • US08014033B2
    • 2011-09-06
    • US11890888
    • 2007-08-08
    • Yao Rong WangLalit Keshav MesthaZhigang FanAlvaro Enrique Gil
    • Yao Rong WangLalit Keshav MesthaZhigang FanAlvaro Enrique Gil
    • G06K15/00
    • H04N1/6033H04N1/40006
    • Disclosed is an image color management system and method for controlling an image output device. The method for controlling the image output device comprises generating an image output device profile LUT (look-up-table) characterizing the color profile of the image output device for a plurality of drift states associated with the image output device; generating a set of augmented basis vectors representing the LUT, L*a*b* values and multiple GCR/UCRs; storing the set of basis vectors in an image output device controller; and generating an image output device active profile associated with a current drift state of the image output device to convert image color data for display or printing by the image output device, wherein the image output device active profile is generated from the set of basis vectors.
    • 公开了一种用于控制图像输出装置的图像颜色管理系统和方法。 用于控制图像输出装置的方法包括:生成表征与图像输出装置相关联的多个漂移状态的图像输出装置的颜色特征图像​​的图像输出装置简档LUT(查找表); 生成表示LUT,L * a * b *值和多个GCR / UCR的增强基向量集合; 将所述一组基矢量存储在图像输出装置控制器中; 以及生成与所述图像输出设备的当前漂移状态相关联的图像输出设备活动轮廓,以转换由图像输出设备显示或打印的图像颜色数据,其中从所述一组基矢量生成所述图像输出设备活动简档。
    • 36. 发明申请
    • GLYPH-LOOKING ALPHABET FOR VIPP / SPECIALTY IMAGING FONTS
    • 用于VIPP /特殊成像功能的GLYPH-LOOKING字符
    • US20110205569A1
    • 2011-08-25
    • US12710686
    • 2010-02-23
    • Reiner EschbachZhigang Fan
    • Reiner EschbachZhigang Fan
    • G06K15/02
    • G06F17/214G06F21/64
    • A method of defining a glyph font character representing an input binary code includes defining a first portion of a matrix using an input binary code including a plurality of input bits. A second portion of the matrix is defined by performing a transformation on the input binary code so that the second portion of the matrix includes a plurality of transformed bits. A glyph character is derived that corresponds to the matrix. The glyph character is defined by a plurality of components corresponding in location to said bits of said matrix, wherein the components of the glyph character comprise a first component (e.g. a forward slash /) that corresponds to and represents a “1” bit of the matrix and second component (e.g., a backslash \) that corresponds to and represents a “0” bit of the matrix. The transformation operation includes a NOT operation or other logic operation, and includes a shift operation. The transformation can be repeated to derive additional portions of the matrix by transforming the group of bits of the preceding matrix portion. The glyph characters corresponding to alphabet characters are each defined as a bitmap and are saved as Postscript Type 3 font.
    • 定义表示输入二进制码的字形字符的方法包括使用包括多个输入位的输入二进制码定义矩阵的第一部分。 矩阵的第二部分通过对输入的二进制码执行变换来定义,使得矩阵的第二部分包括多个变换的比特。 派生对应于矩阵的字形字符。 字形字符由位于所述矩阵的所述位的位置对应的多个分量定义,其中,字形字符的分量包括对应于并表示所述矩阵的“1”位的第一分量(例如,正斜杠) 矩阵和第二组件(例如,反斜杠\),其对应于并且表示矩阵的“0”位。 转换操作包括NOT操作或其他逻辑操作,并且包括移位操作。 可以重复变换以通过变换前面的矩阵部分的位组来导出矩阵的附加部分。 对应于字母字符的字形字符都被定义为位图,并保存为Postscript Type 3字体。
    • 39. 发明授权
    • System and method for embedding miniature security marks
    • 用于嵌入微型安全标记的系统和方法
    • US07792324B2
    • 2010-09-07
    • US11502987
    • 2006-08-11
    • Zhigang FanWilliam A. Fuss
    • Zhigang FanWilliam A. Fuss
    • G06K9/00
    • H04N1/32309H04N1/32229
    • A method is provided for embedding miniature security marks within documents and images, utilizing a mark parameters database, graphical user interface, and detection simulator. The method includes predicting detection error rates for each pixel location of a host image, defined as a digital representation of at least one recipient of the miniature security marks. The detection error rates for each pixel are displayed with the host image on a graphical user interface and the desired miniature security mark locations are selected. At least one set of miniature security mark parameters is identified, with the parameters being mark parameters that enable determination of an optimized balance between detectability and visibility of the miniature security marks. The host image with the miniature security mark is displayed on the graphical user interface for review and adjustment by an operator.
    • 提供了一种利用标记参数数据库,图形用户界面和检测模拟器在文档和图像内嵌入微型安全标记的方法。 该方法包括预测主机图像的每个像素位置的检测错误率,被定义为微型安全标记的至少一个接收者的数字表示。 每个像素的检测错误率与图像用户界面上的主机图像一起显示,并选择所需的微型安全标记位置。 识别至少一组微型安全标记参数,其中参数是可以确定微型安全标记的可检测性和可见性之间的优化平衡的标记参数。 具有微型安全标记的主机图像显示在图形用户界面上,供操作员查看和调整。