Proceedings of 8th ICPR, pp.745-748 (1986)
Abstract
In this paper, the design and implementation of a programming language for knowledge-based document segmentation are described. This approach makes it possible to write layout models of documents and provides a mechanism that analyzes the document image in a top-down manner. Most documents, particularly printed matter, have their own layout rules. Within each class of documents, these are rules are common, creating nearly fixed forms. Therefore, by incorporating models of layout as document knowledge, regions that contain bibliographic items, such as the title, authors and other important items, can be identified and extracted from the image of documents automatically. Presented here is the Form Definition Language (FDL). It is a language for representing the layout rules of a document. In the FDL, the layout is described as a set of rectangular regions in the frame structure, where the regions are repeatedly in terms of smaller rectangular regions. Some of the illustrative programming techniques and their experimental results are also presented.
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