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US07739587B2 Methods and apparatuses for finding rectangles and application to segmentation of grid-shaped tables 失效
用于查找矩形的方法和装置以及对网格表分割的应用

  • Patent Title: Methods and apparatuses for finding rectangles and application to segmentation of grid-shaped tables
  • Patent Title (中): 用于查找矩形的方法和装置以及对网格表分割的应用
  • Application No.: US11451525
    Application Date: 2006-06-12
  • Publication No.: US07739587B2
    Publication Date: 2010-06-15
  • Inventor: Jean-Yves Vion-Dury
  • Applicant: Jean-Yves Vion-Dury
  • Applicant Address: US CT Norwalk
  • Assignee: Xerox Corporation
  • Current Assignee: Xerox Corporation
  • Current Assignee Address: US CT Norwalk
  • Agency: Fay Sharpe LLP
  • Main IPC: G06F17/16
  • IPC: G06F17/16
Methods and apparatuses for finding rectangles and application to segmentation of grid-shaped tables
Abstract:
In a method for identifying cells, line graphics are converted into vectors (12) having a canonical form without vector overlaps or crossings. Connecting vectors (22, 24, 26, 30, 32) are associated, including (i) forking vectors (22) having common starting points, and (ii) meeting vectors (24) having common ending points. A set of vectors is identified including at least two forking vectors and two meeting vectors cooperatively defining a cell.
Abstract(Chinese):

在用于识别细胞的方法中，线图形被转换成具有规范形式的向量（12），而没有载体重叠或交叉。 连接向量（22,24,26,30,32）相关联，包括（i）具有共同起始点的分岔向量（22）和（ii）具有共同终点的会议向量（24）。 识别包括至少两个分叉矢量和两个协调地限定小区的会议向量的向量集合。

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