Patent №
US 9,268,999
Granted
2016-02-23
Filed 2013
Owner
PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
+3 more
Lab
—
AI components
3
ml · nlp · vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
14096532
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.
AI classification
Ownership
PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
assignment · 317640965
FOUNDER APABI TECHNOLOGY LIMITED
assignment · 317640965
NEW FOUNDER HOLDINGS DEVELOPMENT LIMITED LIABILITY COMPANY
assignment · 628480974
BEIJING FOUNDER APABI TECHNOLOGY LTD.
assignment · 628480974
Assignors
XU, CANHUI, TANG, ZHI, XU, JIANBO, TAO, XIN
On an employer assignment, the assignors are typically the inventors.