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Binarization via the Dynamic Histogram and Window Tracking for Degraded Textual Images Sitti Rachmawati Yahya, Khairuddin Omar, Siti Norul Huda Sheikh Abdullah and Choong-Yeun Liong

Sitti Rachmawati Yahya, Khairuddin Omar, Siti Norul Huda Sheikh Abdullah and Choong-Yeun Liong

Pertanika Journal of Tropical Agricultural Science, Volume 25, Issue S, June 2017

Keywords: Dynamic image histogram, Image smoothness, Reference image, Standard deviation, Window tracking

Published on: 12 Mac 2018

In this paper, an image binarization method for separating text from the background of degraded textual images is proposed. This proposed methods are based on combination of Window Tracking Method (WTM) and Dynamic Image Histogram (DIH). The WTM and DIH methods work on an image that has been pre-processed. The WTM method searches for the largest pixel value in a 3 × 3 window up to a maximum of five tracking steps, while the method searches for a definite frequency between the two highest values in the image histogram. We test proposed method on DIBCO dataset and self-collection faded manuscripts. The experimental results show that our proposed method outperforms state of the art methods.

ISSN 1511-3701

e-ISSN 2231-8542

Article ID

JST-S0376-2017

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