Methods, systems and computer program products for analyzing inf

Details Methods, systems and computer program products for analyzing inf Methods, systems and computer program products for analyzing inf

1997-07-07

1999-12-28

Tran, Phuoc

Image analysis

Image segmentation

382137, 382164, 382171, G06K 900, G06K 934

Patent

active

060091940

ABSTRACT:
Information in the form is analyzed based on adjacency relationships among cells in the forms. By using adjacency relationships, a format may be provided for forms which are divided into cells by separators such as lines, notwithstanding that the positions and sizes of the cells may change, as long as their order remains unchanged. In particular, cells are extracted from the image data of a form. Adjacency relationships among the extracted cells are determined. The determined adjacency relationships are compared with a set of adjacency relationships are compared with a set of adjacency relationships in order to identify the extracted cells. Information contained in the form is then recognized based upon the identified extracted cells. In particular, the information contained in the form is recognized, based upon the identified cell in which the information is contained.

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patent: 5850490 (1998-12-01), Johnson
patent: 5852676 (1998-12-01), Lazar
Watanabe, et al "Layout Recognition of Multi-Kinds of Table-Form Documents", IEEE, pp. 432-445, Apr. 1995.

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