DOCUMENT IMAGING

Global-local-global method for logical structure extraction of form document image

[+] Author Affiliations
Hong Zhao, Bing Liu, Zao Jiang

Software Center of Northeastern University, P.O. Box 308, Shenyang, Liaoning 110006, People’s Republic of China

Tobias Ostgathe

Fachhochschule Ulm, Department of Computer Science, Ulm, Germany

J. Electron. Imaging. 9(3), 296-304 (Jul 01, 2000). doi:10.1117/1.482746
History: Received July 1, 1999; Revised Mar. 10, 2000; Accepted Mar. 17, 2000
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Abstract

Many methods on form document image analysis have been proposed, but only a few of them have treated the extraction of logical structure. A new method called global-local-global (GLG) method for the logical structure extraction of a form document is proposed in this paper. Its algorithm consists of three phases: global division, local logical structure analysis, and global redivision of the whole document. GLG method emphasizes the global layout structure analysis and has a high accuracy. It is robust for treating with the accidental direct adjacent relationship between two unrelated cells. In addition, a logical structure tree is proposed to represent the logical structure of a form document. © 2000 SPIE and IS&T.

© 2000 SPIE and IS&T

Citation

Hong Zhao ; Bing Liu ; Zao Jiang and Tobias Ostgathe
"Global-local-global method for logical structure extraction of form document image", J. Electron. Imaging. 9(3), 296-304 (Jul 01, 2000). ; http://dx.doi.org/10.1117/1.482746


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