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An Empirical Evaluation of Salt and Pepper Noise Removal for Document Images using Median Filter

by E. Balamurugan, P. Sengottuvelan, K. Sangeetha
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 82 - Number 4
Year of Publication: 2013
Authors: E. Balamurugan, P. Sengottuvelan, K. Sangeetha
10.5120/14104-2139

E. Balamurugan, P. Sengottuvelan, K. Sangeetha . An Empirical Evaluation of Salt and Pepper Noise Removal for Document Images using Median Filter. International Journal of Computer Applications. 82, 4 ( November 2013), 17-20. DOI=10.5120/14104-2139

@article{ 10.5120/14104-2139,
author = { E. Balamurugan, P. Sengottuvelan, K. Sangeetha },
title = { An Empirical Evaluation of Salt and Pepper Noise Removal for Document Images using Median Filter },
journal = { International Journal of Computer Applications },
issue_date = { November 2013 },
volume = { 82 },
number = { 4 },
month = { November },
year = { 2013 },
issn = { 0975-8887 },
pages = { 17-20 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume82/number4/14104-2139/ },
doi = { 10.5120/14104-2139 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:56:53.742740+05:30
%A E. Balamurugan
%A P. Sengottuvelan
%A K. Sangeetha
%T An Empirical Evaluation of Salt and Pepper Noise Removal for Document Images using Median Filter
%J International Journal of Computer Applications
%@ 0975-8887
%V 82
%N 4
%P 17-20
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Document Image is an electronic form of paper documents it is a combination of handwritten, Machine printed texts, pictures, office documents and graphs etc. Noise reduction in document image is important to maintain the quality of images for further processing and analysis. Noise is added into an image during the time of image acquisition. Once image is captured, image pre processing is necessarily done to correct and adjust the image for further analysis tasks such as segmentation, text classification etc. Salt and Pepper noise from document images is randomly scattered white or black (or both) pixel over the image. Normally the filters are used to improve the image quality, suppress the noise. In this paper median filtering technique is proposed for removing salt and pepper noise from various types of document images and its performance is analyzed using Peak Signal to Noise Ratio (PSNR).

References
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Index Terms

Computer Science
Information Sciences

Keywords

Document Image Noise reduction Salt and Pepper Noise Median Filtering Peak Signal to Noise Ratio(PSNR)

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