A generalization of Otsu method for linear separation of two unbalanced classes in document image binarization
The classical Otsu method is a common tool in document image binarization. Often, two classes, text and background, are imbalanced, which means that the assumption of the classical Otsu method is not met. In this work, we considered the imbalanced pixel classes of background and text: weights of two...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Samara National Research University
2021-02-01
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Series: | Компьютерная оптика |
Subjects: | |
Online Access: | http://computeroptics.ru/KO/PDF/KO45-1/450109.pdf |