NDLI: Table structure analysis based on cell classification and cell modification for XML document transformation

Content Provider	IEEE Xplore Digital Library
Author	Ishitani, Y. Fume, K. Sumita, K.
Copyright Year	2005
Description	Author affiliation: Corporate R&D Center, Toshiba Corp., Kawasaki, Japan (Ishitani, Y.; Fume, K.; Sumita, K.)
Abstract	A new method of table structure analysis based on cell classification and cell modification is proposed in this paper as the basis of an OCR which can convert a variety of printed tables into XML documents in accordance with a specified XML schema. The outline of this method is described as follows. Firstly, cell features defined by ruled lines, which correspond to data fields, are extracted from the input image of a table. After that, each cell is classified to identify the irregular table whose ruled lines are not gridded and is modified to form regular cell arrangement. Next, the hierarchical table structure consisting of a regular row structure of cells is extracted from the modified regular table and is described using a DOM tree. In this case, logical objects within a cell are extracted and are converted into a sub-tree in the DOM tree. Finally, this DOM tree is transformed into a target XML document by an XML parser with information extraction process. Experimental results show the method is effective in transforming various printed tables to various XML documents.
Starting Page	1247
Ending Page	1252
File Size	519504
Page Count	6
File Format	PDF
ISBN	0769524206
ISSN	15205263
DOI	10.1109/ICDAR.2005.225
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-08-31
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	XML Data mining Knowledge management Technology management Documentation Optical character recognition software Image converters Drugs Books Pharmaceutical technology
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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