TABLE RECOGNIZING METHOD AND TABLE RECOGNIZING SYSTEM

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

Vision1.00
Machine learning1.00
Natural language0.98
Knowledge representation0.01
AI hardware0.01
Planning0.00
Evolutionary computation0.00
Speech0.00

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.

From the same owner

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