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Adaptive fuzzy inference system based directional median filter for impulse noise removal

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Details

Original languageEnglish
Pages (from-to)689-697
Number of pages9
JournalAEU International Journal of Electronics and Communication
Volume70
Issue number5
DOIs
Publication statusPublished - 1 May 2016
Publication typeA1 Journal article-refereed

Abstract

Noise filtering in presence of important image detail information is considered as challenging task in imaging applications. Use of fuzzy logic based techniques is capturing more focus since last decade to deal with these challenges. In order to tackle conflicting issues of noise smoothing and detail preservation, this paper presents a novel approach using adaptive fuzzy inference system for random valued impulse noise detection and removal. The proposed filter uses the intensity based directional statistics to construct adaptive fuzzy membership functions which plays an important role in fuzzy inference system. Fuzzy inference system constructed in this way is used by the noise detector for accurate classification of noisy and noise-free pixels by differentiating them from edges and detailed information present in an image. After classification of pixels, noise adaptive filtering is performed based on median and directional median filter using the information provided by the noise detector. Simulation results based on well known quantitative measure i.e., peak-signal-to-noise ratio (PSNR) show the effectiveness of proposed filter.

ASJC Scopus subject areas

Keywords

  • Adaptive threshold, Fuzzy inference system, Noise detection, Noise removal, Random-valued impulse noise

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