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An Adaptive Two-level Filtering Technique for Noise Lines in Video Images
Baris Baykant Alagoz, Mehmet Emin Tagluk
Pages - 270 - 282     |    Revised - 01-07-2011     |    Published - 05-08-2011
Volume - 5   Issue - 3    |    Publication Date - July / August 2011  Table of Contents
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KEYWORDS
Adaptive Noise Filter, Wireless Video image Enhancement, Image Enhencement
ABSTRACT
Due to narrow-band noise signals in transmission channels, visible lines of disturbance can appear in video images. In this paper, an adaptive method based on two-level filtering is proposed to enhance the visual quality of such images. In the first level, an adaptive orientation selective filter detects and clears the noisy lines in the image. In the second level, a median filter repairs defects resulting from the orientation selective filtering process and also filters the wide-band impulsive noise. It was observed that in case of periodic noisy lines in TV images, this filtering technique can sufficiently enhance the image quality and improve the SNR level.
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Mr. Baris Baykant Alagoz
bayindirlik - Turkey
baykant.alagoz@inonu.edu.tr
Dr. Mehmet Emin Tagluk
- Turkey