2017
DOI: 10.4018/ijmcmc.2017070104
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A Novel Fast Hierarchical Projection Algorithm for Skew Detection in Multimedia Big Data Environment

Abstract: Optical character recognition is an effective way for information input of paper media and skew detection of document images is a key stage of it. An algorithm for skew detection employing hierarchical projection is proposed in this paper. Projection histograms at various directions in a given range are acquired according to an initial angle step length. Then variances of it and absolute difference of the variances are calculated respectively and the angle corresponding to the maximum difference is served as r… Show more

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Cited by 4 publications
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