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Abstract
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Article Information:
A Novel Algorithm for Image Denoising using Modified Adaptive Median Filter
K. Venkatachalam and E. Mohan
Corresponding Author: K. Venkatachalam
Submitted: September 13, 2014
Accepted: October 17, 2014
Published: June 05, 2015 |
Abstract:
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In this study a novel algorithm is proposed for image denoising using Modified Adaptive Median Filter (MAMF) on digital images. The proposed algorithm replaces the noisy pixel by trimmed median value when other pixel values, 0’s and 255’s are present in the selected window and when all the pixel values are 0’s and 255’s hence the noise pixel is replaced by mean value of all the elements present in the selected window. This proposed algorithm shows better results than the Standard Median Filter (SMF), Decision Based Algorithm (DBA). Different grayscale and color images are tested by using the proposed algorithm and found to produce better Peak Signal to Noise Ratio (PSNR).
Key words: Adaptive median filter, decision based algorithm, image denoising, standard median filter, , ,
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Cite this Reference:
K. Venkatachalam and E. Mohan, . A Novel Algorithm for Image Denoising using Modified Adaptive Median Filter. Research Journal of Applied Sciences, Engineering and Technology, (4): 373-375.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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