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An Adaptive Method for Thresholding of Document Images

Publish Year: 1395
Type: Conference paper
Language: English
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IRCEM01_217

Index date: 15 December 2016

An Adaptive Method for Thresholding of Document Images abstract

Thresholding is a pre-processing step that is usually used in applications such as automatic text recognition. Some conditions such as environmental lighting can defect segmentation procedure. Adaptive thresholding is usually used to overcome these defections. In this paper, a new method, based on within-class calculation, is proposed to extract text lines in an uneven background. Here it is shown that in many cases within-class variance is a good criterion for finding a proper window size in adaptive thresholding.

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An Adaptive Method for Thresholding of Document Images authors

Mehran Rasoodi

Electrical Engineering Department, Islamic Azad University, Tehran South Branch, Tehran, Iran

Abolfazl Ahmadi

Electrical Engineering Department, Islamic Azad University, Tehran South Branch, Tehran, Iran

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M.M. Mokji. And S.A.R Abu Bakar, Ana.(2007). Adaptive Thresholding Based ...
Francis H.Y. And Chan, F.K. Lam. And Huizhu, Ana.(1998). Adaptive ...
Qingming Huang. And Wen Gao. And Wenjian Cai. Ana.(2004). Thresholding ...
N.Otsu. Ana.(1979). A Thresholding Method From Gray-Level Histogram. IEEE Trans.Systems, ...
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