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Skew angle estimation in document processing using Cohen's class distributions
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DOI：10.1016/S0167-8655(99)00097-5.png)
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Abstract
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A skew angle estimation approach based on the application of several time-frequency distributions of Cohen's class to the horizontal projection profile of the page is proposed for document processing. Our results prove that the Wigner-Ville is the best trade-off between accuracy and computational cost. (C) 1999 Elsevier Science B.V. All rights reserved.
Keywords:
skew estimation
Cohen distributions
document processing
projection profile
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