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A New Iterative FIR Filter for Image and Video Restoration

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3 Author(s)
Prasad, N.R. ; Dept. of Instrum., Indian Inst. of Sci., Bangalore ; Mondal, Partha P. ; Kanhirodan, Rajan

Image and video filtering is a key image-processing task in computer vision especially in noisy environment. In most of the cases the noise source is unknown and hence possess a major difficulty in the filtering operation. In this paper we present an error-correction based learning approach for iterative filtering. A new FIR filter is designed in which the filter coefficients are updated based on Widrow-Hoff rule. Unlike the standard filter the proposed filter has the ability to remove noise without the a priori knowledge of the noise. Experimental result shows that the proposed filter efficiently removes the noise and preserves the edges in the image. We demonstrate the capability of the proposed algorithm by testing it on standard images infected by Gaussian noise and on a real time video containing inherent noise. Experimental result shows that the proposed filter is better than some of the existing standard filters

Published in:

Cognitive Informatics, 2006. ICCI 2006. 5th IEEE International Conference on  (Volume:2 )

Date of Conference:

17-19 July 2006

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