Fast communication: Adaptive bilateral filtering of image signals using local phase characteristics

Authors:
Alexander Wong
Affiliations:
University of Waterloo, Canada
Venue:
Signal Processing
Year:
2008

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Abstract

This paper presents a novel perceptually based method for noise reduction of image signals characterized by low signal to noise ratios. The proposed method exploits the local phase characteristics of an image signal to perform bilateral filtering in an adaptive manner. The proposed method takes advantage of the human perception system to preserve perceptually significant signal detail while suppressing perceptually significant noise in the image signal. Experimental results show that the proposed method is effective at removing signal noise while enhancing perceptual quality both quantitatively and qualitatively.