Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters

Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters Publisher

Sadri AR¹ ; Zekri M^{2, 3} ; Sadri S^{2, 3} ; Gheissari N¹

Show Affiliations

1. Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran
2. Department of Electrical and Engineering, Iran
3. Medical Image and Signal Processing Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Medical Signals and Sensors Published:2012

Abstract

This paper presents a new two-stage approach to impulse noise removal for medical images based on wavelet network (WN). The first step is noise detection, in which the so-called gray-level difference and average background difference are considered as the inputs of a WN. Wavelet Network is used as a preprocessing for the second stage. The second step is removing impulse noise with a median filter. The wavelet network presented here is a fixed one without learning. Experimental results show that our method acts on impulse noise effectively, and at the same time preserves chromaticity and image details very well.

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Style	Citing Format
MLA	Sadri AR, et al.. "Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters." Journal of Medical Signals and Sensors, vol. 2, no. 1, 2012, pp. 25-37.
APA	Sadri AR, Zekri M, Sadri S, Gheissari N (2012). Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters. Journal of Medical Signals and Sensors, 2(1), 25-37.
Chicago	Sadri AR, Zekri M, Sadri S, Gheissari N. "Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters." Journal of Medical Signals and Sensors 2, no. 1 (2012): 25-37.
Harvard	Sadri AR et al. (2012) 'Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters', Journal of Medical Signals and Sensors, 2(1), pp. 25-37.
Vancouver	Sadri AR, Zekri M, Sadri S, Gheissari N. Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters. Journal of Medical Signals and Sensors. 2012;2(1):25-37.
BibTex	@article{ author = {Sadri AR and Zekri M and Sadri S and Gheissari N}, title = {Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters}, journal = {Journal of Medical Signals and Sensors}, volume = {2}, number = {1}, pages = {25-37}, year = {2012} }
RIS	TY - JOUR AU - Sadri AR AU - Zekri M AU - Sadri S AU - Gheissari N TI - Impulse Noise Cancellation of Medical Images Using Wavelet Networks and Median Filters JO - Journal of Medical Signals and Sensors VL - 2 IS - 1 SP - 25 EP - 37 PY - 2012 ER -

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