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Published in:
2009 | OriginalPaper | Chapter
The Diagonal Split: A Pre-segmentation Step for Page Layout Analysis and Classification
Authors : Albert Gordo, Ernest Valveny
Published in: Pattern Recognition and Image Analysis
Publisher: Springer Berlin Heidelberg
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Document classification is an important task in all the processes related to document storage and retrieval. In the case of complex documents, structural features are needed to achieve a correct classification. Unfortunately, physical layout analysis is error prone. In this paper we present a pre-segmentation step based on a divide & conquer strategy that can be used to improve the page segmentation results, independently of the segmentation algorithm used. This pre-segmentation step is evaluated in classification and retrieval using the selective CRLA algorithm for layout segmentation together with a clustering based on the voronoi area diagram, and tested on two different databases, MARG and Girona Archives.