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Third International Conference on Document Analysis and Recognition (ICDAR'95) - Volume 2
Four directional adjacency graphs (FDAG) and their application in locating fields in forms
Montr?al, Canada
August 14-August 15
ISBN: 0-8186-7128-9
Jianxing Yuan, Center for Pattern Recognition & Machine Intelligence, Concordia Univ., Montreal, Que., Canada
Y.Y. Tang, Center for Pattern Recognition & Machine Intelligence, Concordia Univ., Montreal, Que., Canada
C.Y. Suen, Center for Pattern Recognition & Machine Intelligence, Concordia Univ., Montreal, Que., Canada
A new non-hierarchical spatial data structure named four directional adjacency graphs (FDAG) is proposed. In the FDAG vertical and horizontal neighborhood relationship between rectangles is well represented so that structural information can be easily extracted. An application for structural analysis of forms is given, where experiments are conducted with positive results.
Index Terms:
spatial data structures; four directional adjacency graphs; non-hierarchical spatial data structure; structural analysis; forms
Citation:
Jianxing Yuan, Y.Y. Tang, C.Y. Suen, "Four directional adjacency graphs (FDAG) and their application in locating fields in forms," icdar, vol. 2, pp.752, Third International Conference on Document Analysis and Recognition (ICDAR'95) - Volume 2, 1995
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