Geodesic
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, Tome 7 (2010) no. 4.

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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.
Keywords: Impulse noise detector, Decision tree, Particle swarm optimization, Median-type image filter, Noise removal 
@article{CSIS_2010_7_4_a11,
     author = {Bae-Muu Chang and Hung-Hsu Tsai and Xuan-Ping Lin and Pao-Ta Yu},
     title = {Design of {Median-type} {Filters} with an {Impulse} {Noise} {Detector} {Using} {Decision} {Tree} and {Particle} {Swarm} {Optimization} for {Image} {Restoration}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2010_7_4_a11/}
}
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Bae-Muu Chang; Hung-Hsu Tsai; Xuan-Ping Lin; Pao-Ta Yu. 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, Tome 7 (2010) no. 4. http://geodesic.mathdoc.fr/item/CSIS_2010_7_4_a11/