Fuzzy based Impulse Noise Reduction Method

Authors:
Ayyaz Hussain;Sohail Masood Bhatti;M. Arfan Jaffar
Affiliations:
Department of Computer Science, International Islamic University Islamabad, Islamabad, Pakistan;Department of Computer Science, National University of Computer and Emerging Sciences, Islamabad, Pakistan;Department of Computer Science, National University of Computer and Emerging Sciences, Islamabad, Pakistan and Signal and Image Processing Lab, GIST, Gwangju, South Korea
Venue:
Multimedia Tools and Applications
Year:
2012

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Abstract

In this paper, we propose an image filtering technique based on fuzzy logic control to remove impulse noise for low as well as highly corrupted images. The proposed method is based on noise detection, noise removal and edge preservation modules. The main advantage of the proposed technique over the other filtering techniques is its superior noise removal as well as detail preserving capability. Based on the criteria of peak-signal-to-noise-ratio (PSNR), mean square error (MSE), structural similarity index measure (SSIM) and subjective evaluation measure we have found experimentally that the proposed method provides much better performance than the state-of-the-art filters. To analyze the detail preservation capability of the proposed filter sensitivity analysis is performed by changing the detail preservation module to see its effects on the details (texture and edge information) of resultant image. This sensitivity analysis proves experimentally that significant image details have been preserved by the proposed method.