A comparative study of local thresholding methods for document image binarization

Authors:
Francisco Jiménez-López;David Cuesta-Frau;Jordi Linares-Pellicer;Pau Micó-Tormos
Affiliations:
Polytechnic University of Valencia, Spain;Polytechnic University of Valencia, Spain;Polytechnic University of Valencia, Spain;Polytechnic University of Valencia, Spain
Venue:
Machine Graphics & Vision International Journal
Year:
2006

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Abstract

This paper provides a comparative study of several local thresholding techniques applied in the binarization of document images with text and graphs. First, the methods are described, and then a quantitative comparative analysis is carried out. Ground truth images are used in the experiments to provide an objective measure, and computational costs are also compared.