Patent
1994-11-10
1997-08-19
Kulik, Paul V.
395776, G06F 1730
Patent
active
056597673
ABSTRACT:
An application programming interface accesses page analysis functionality of a block selection program and accesses data structures resulting therefrom. The application programming interface includes plural page analysis functionality which manipulate block selection functions including functions to analyze a document page, to create a hierarchical tree structure corresponding to the analyzed document page, and to return a pointer which is a block ID or a root node of the analyzed page. Plural hierarchical tree structure accessing functions traverse the hierarchical tree structure, and locate desired nodes in the hierarchical tree structure.
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Chang Mann
Nguyen Thieu Quang
Canon Information & Systems, Inc.
Kulik Paul V.
Loomis John C.
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