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Representation and Classification of Complex-Shaped Printed Regions Using White Tiles

Summary: Representation and Classification of Complex-Shaped Printed Regions
Using White Tiles
A. Antonacopoulos and R.T. Ritchings
Systems Engineering Group, Department of Computation,
University of Manchester Institute of Science and Technology (UMIST),
P.O. Box 88, Manchester, M60 lQD, U.K.
There is an increasingly pressing need to develop
document analysis methods that are able to cope with
images of documents containing printed regions of
complex shapes. Contrary to the bounding-box represen-
tation used in most past page segmentation and classifi-
cation approaches which assume rectangular regions,
there is a need for a more flexible description which also
retains most of the functionality of the representation by
rectangles. In the first part of this paper, the practical
considerations of describing and handling the complex-
shaped regions are examined and an appropriate repre-
sentation scheme is proposed. For page classification, a
new approach based on the description of white space


Source: Antonacopoulos, Apostolos - School of Computing, Science and Engineering, University of Salford


Collections: Computer Technologies and Information Sciences