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http://dx.doi.org/10.6109/jkiice.2014.18.2.475

A Study on Image Restoration Filter in Impulse Noise Environments  

Xu, Long (Department of Control and Instrumentation Engineering, Pukyong National University)
Kim, Nam-Ho (Department of Control and Instrumentation Engineering, Pukyong National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.2, 2014 , pp. 475-481 More about this Journal
Abstract
As the society develops to advanced digital information times, many studies are underway about digital video processing technology areas such as image restoration. There are typical methods to restore the image which have been damaged by the impulse noise like SM(standard median) filter and CWM(center weighted median) filter. These filters show excellent noise reduction capabilities in low noise density areas, but in high noise density areas, noise reduction capabilities are not sufficient. In this paper, in order to restore the degraded images in impulse(Salt & Pepper) noise environment, the image restoration filter algorithm was suggested which expands and subdivide the mask focusing on damaged pixels. And to demonstrate the superiority of the proposed algorithm used PSNR (peak signal to noise ratio) as the standard of judgement.
Keywords
Denoising; Impulse noise; Mask expand; Subdivide;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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