The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 07, 2023

Filed:

Dec. 03, 2020
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Peter Zhong, Vermont, AU;

Antonio Jose Jimeno Yepes, Melbourne, AU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 40/157 (2020.01); G06N 3/04 (2023.01); G06N 3/08 (2023.01); G06V 30/413 (2022.01); G06V 30/414 (2022.01);
U.S. Cl.
CPC ...
G06F 40/157 (2020.01); G06N 3/04 (2013.01); G06N 3/08 (2013.01); G06V 30/413 (2022.01); G06V 30/414 (2022.01);
Abstract

Aspects of the present invention disclose a method for automatic delineation and extraction of tabular data in portable document format (PDF). The method includes one or more processors extracting metadata corresponding to tabular data in a text-based portable document format (PDF), wherein the metadata is associated with characters and border lines of the tabular data. The method further includes generating a graph structure corresponding to the tabular data in the text-based PDF based at least in part on the metadata. The method further includes generating a vector representation of the graph structure. The method further includes constructing a tree structure corresponding to the tabular data based at least in part on the vector representation.


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