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    • 1. 发明授权
    • Automatic background detection of scanned documents
    • 扫描文件的自动背景检测
    • US06674899B2
    • 2004-01-06
    • US09739405
    • 2000-12-18
    • Ramesh NagarajanXing LiFrancis K. Tse
    • Ramesh NagarajanXing LiFrancis K. Tse
    • G06K900
    • H04N1/4074H04N1/38
    • A method for generating a background statistics that distinguishes between gray level information from document areas and non-document areas. The method includes determining a full page background statistics from selected pixels within a scanned area; determining a sub-region background statistics from selected pixels within a sub-region of the scanned area; determining if the sub-region background statistics corresponds to image data from a non-document area; determining if the full page background statistics is corrupted; and generating a validated full page background statistics if the full page background statistics is corrupted.
    • 一种用于生成从文档区域和非文档区域区分灰度级信息的背景统计信息的方法。 该方法包括从扫描区域内的所选像素确定全页背景统计; 从扫描区域的子区域内的所选像素确定子区域背景统计; 确定子区域背景统计是否对应于来自非文档区域的图像数据; 确定全页背景统计信息是否已损坏; 并且如果整页背景统计信息已损坏,则生成经过验证的全页背景统计信息。
    • 6. 发明申请
    • METHOD FOR SELECTIVE COMPRESSION FOR PLANNED DEGRADATION AND OBSOLENCE OF FILES
    • 用于选择性压缩的方案用于计划的降解和文件的吸收
    • US20100042655A1
    • 2010-02-18
    • US12193324
    • 2008-08-18
    • Francis K. TseMinette Ann BeabesRamesh NagarajanSusan Marie Zak
    • Francis K. TseMinette Ann BeabesRamesh NagarajanSusan Marie Zak
    • G06F17/30
    • G06F16/122
    • A system and method manages a file storage system by defining an arbitration policy, the arbitration policy defining a pre-defined usage level threshold and defining implementation priorities for a plurality of storage management mitigation actions, each storage management mitigation action defining a distinct action to be taken to reduce the usage level of the file storage system and a parameter for selecting which file or files stored in the file storage system qualify for the storage management mitigation action. If a usage level of the file storage system is greater than the pre-defined usage level threshold, a storage management mitigation action is selected from the plurality of storage management mitigation actions. Which files that qualify for the selected storage management mitigation action is determined and the selected storage management mitigation action is applied to the files determined to qualify for the selected storage management mitigation action to reduce the usage level of the file storage system.
    • 系统和方法通过定义仲裁策略来管理文件存储系统,所述仲裁策略定义预定义的使用级别阈值并且定义多个存储管理缓解动作的实现优先级,每个存储管理缓解动作定义了明确的动作 被采取以减少文件存储系统的使用水平和用于选择存储在文件存储系统中的文件或文件的参数有资格进行存储管理缓解动作的参数。 如果文件存储系统的使用级别大于预定义的使用级别阈值,则从多个存储管理缓解动作中选择存储管理缓解动作。 确定符合选定的存储管理缓解措施的哪些文件,并且将所选择的存储管理缓解动作应用于被确定为限定所选择的存储管理缓解动作的文件,以减少文件存储系统的使用水平。
    • 7. 发明授权
    • Electronic image registration for a scanner
    • 扫描仪的电子图像注册
    • US06999209B2
    • 2006-02-14
    • US10854010
    • 2004-05-26
    • Nancy R. KellyRamesh NagarajanFrancis K. Tse
    • Nancy R. KellyRamesh NagarajanFrancis K. Tse
    • H04N1/04
    • G06T3/608G06K9/32H04N1/3878
    • A system electronically registers an image on an input document. The system includes a scanner for generating an image data stream representing an electronic image of the image on the input document and an edge detecting circuit for detecting edge data within the image data stream. A circuit detects a first corner of a leading edge of the input document based on the detected edge data and for establishing a first coordinate value therefrom and a second corner of a leading edge of the input document based on the detected edge data and for establishing a second coordinate value therefrom. The system further determines a minimum and maximum location for a leading edge of the scanned document and determines a minimum and maximum location for a trailing edge of the scanned document. An image window is generated representing valid image data to processed and rendered based on the minimum and maximum location for a leading edge of the scanned document, the minimum and maximum location for a trailing edge of the scanned document, the first coordinate value, and the second coordinate value.
    • 系统在输入文档上电子地注册图像。 该系统包括用于生成表示输入文档上的图像的电子图像的图像数据流的扫描器和用于检测图像数据流内的边缘数据的边缘检测电路。 电路基于检测到的边缘数据检测输入文档的前沿的第一角,并且基于检测到的边缘数据和从输入文档的前沿的第二角度建立第一坐标值和第二角,并且建立 第二坐标值。 系统进一步确定扫描文档前缘的最小和最大位置,并确定扫描文档后缘的最小和最大位置。 生成基于扫描文档的前沿的最小和最大位置处理和呈现的有效图像数据的图像窗口,扫描文档的后缘的最小和最大位置,第一坐标值和 第二坐标值。
    • 10. 发明授权
    • Method and system for generating contone encoded binary print data streams
    • 用于生成连续编码的二进制打印数据流的方法和系统
    • US07580569B2
    • 2009-08-25
    • US11268147
    • 2005-11-07
    • Francis K. TseRamesh Nagarajan
    • Francis K. TseRamesh Nagarajan
    • G06K9/34
    • H04N1/4092
    • A method and system to convert an image described in a page description language to a contone image. The contone image is halftoned and encoded to generate image data including edge tag data and image data. A tagged state value of each pixel of image data within a predefined neighborhood of pixels is determined. The image data is filtered using a predetermined set of filter weighting values wherein each pixel of image data within the predefined neighborhood of pixels has an associated filter weighting value. A predetermined filtered image value is assigned to each pixel having a tagged state indicating an edge pixel. A summation of all filtered image values for the predefined neighborhood of pixels is assigned when the tagged state of the pixel is a non-edge pixel.
    • 将页面描述语言中描述的图像转换为连字图像的方法和系统。 连续色调图像被半色调编码以产生包括边缘标签数据和图像数据的图像数据。 确定预定义像素邻域内的图像数据的每个像素的标记状态值。 使用预定的一组过滤器加权值来过滤图像数据,其中预定的像素邻域内的图像数据的每个像素具有相关联的滤波器权重值。 将预定的滤波图像值分配给具有指示边缘像素的带状态的每个像素。 当像素的标记状态是非边缘像素时,分配用于预定义像素邻域的所有滤波图像值的求和。