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UDC 621.39:004, DOI:10.2298/CSIS090405029C

Design of Median-type Filters with an Impulse Noise Detector Using Decision Tree and Particle Swarm Optimization for Image Restoration

Bae-Muu Chang^{1, 2}, Hung-Hsu Tsai³, Xuan-Ping Lin³ and Pao-Ta Yu¹

1. Department of Computer Science and Information Engineering, National Chung Cheng University
   Min-Hsiung, Chia-Yi 621, Taiwan, R.O.C.
   bmchang@cs.ccu.edu.tw, csipty@cs.ccu.edu.tw
2. Department of Information Management, Chienkuo Technology University
   Chang-Hua, Chang-Hua 500, Taiwan, R.O.C.
   bmchang@cc.ctu.edu.tw
3. Department of Information Management, National Formosa University
   Hu-Wei, Yun-Lin 632, Taiwan, R.O.C.
   thh@nfu.edu.tw, no300601@gmail.com

Abstract

This paper proposes the median-type filters with an impulse noise detector using the decision tree and the particle swarm optimization, for the recovery of the corrupted gray-level images by impulse noises. It first utilizes an impulse noise detector to determine whether a pixel is corrupted or not. If yes, the filtering component in this method is triggered to filter it. Otherwise, the pixel is kept unchanged. In this work, the impulse noise detector is an adaptive hybrid detector which is constructed by integrating 10 impulse noise detectors based on the decision tree and the particle swarm optimization. Subsequently, the restoring process in this method respectively utilizes the median filter, the rank ordered mean filter, and the progressive noise-free ordered median filter to restore the corrupted pixel. Experimental results demonstrate that this method achieves high performance for detecting and restoring impulse noises, and outperforms the existing well-known methods.

Key words

Impulse noise detector, Decision tree, Particle swarm optimization, Median-type image filter, Noise removal

Digital Object Identifier (DOI)

https://doi.org/10.2298/CSIS090405029C

Publication information

Volume 7, Issue 4 (December 2010)
Year of Publication: 2010
ISSN: 2406-1018 (Online)
Publisher: ComSIS Consortium

Full text

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How to cite

Chang, B., Tsai, H., Lin, X., Yu, P.: Design of Median-type Filters with an Impulse Noise Detector Using Decision Tree and Particle Swarm Optimization for Image Restoration. Computer Science and Information Systems, Vol. 7, No. 4, 859-882. (2010), https://doi.org/10.2298/CSIS090405029C