Table recognizing method and table recognizing system

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United States of America Patent

PATENT NO 9268999
APP PUB NO 20150093021A1
SERIAL NO

14096532

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Abstract

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Provided is a table recognizing method, comprising: parsing and analyzing metadata information in an original fixed-layout document, and extracting basic elements on a page of the document; segmenting the basic elements, extracting segmented text lines on the page, and acquiring fragments; constructing an undirected graph with respect to each of the fragments; extracting an image on the page, detecting intersection points of horizontal lines and vertical lines, detecting an external bounding box of the intersection points, and taking whether the segmented text lines fall within the external bounding box as local relationship features; training a learning model according to the local relationship features, local features of the fragments, and neighborhood relationship features among the fragments, acquiring model parameters, and establishing a table recognizing model; and invoking the table recognizing model to perform table recognizing for the document, and acquiring a recognizing result.

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Patent Owner(s)

  • FOUNDER APABI TECHNOLOGY LIMITED;PEKING UNIVERSITY FOUNDER GROUP CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tang, Zhi Beijing, CN 61 194
Tao, Xin Beijing, CN 19 190
Xu, Canhui Beijing, CN 5 51
Xu, Jianbo Beijing, CN 20 84

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