Analysis PSNR of High Density Salt and Pepper Impulse Noise Using Median Filter

Prof. Anshuj Jain; Sonali Malviya

Title:
Analysis PSNR of High Density Salt and Pepper Impulse Noise Using Median Filter

Authors:
Sonali Malviya | Prof. Anshuj Jain
DOI:
https://doi.org/10.31142/ijtsrd19086

Cite This Article :

Sonali Malviya | Prof. Anshuj Jain "Analysis PSNR of High Density Salt and Pepper Impulse Noise Using Median Filter" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-1, December 2018, pp.866-870, URL: https://www.ijtsrd.com/papers/ijtsrd19086.pdf

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Abstract :
In this paper a new method for the enhancement of gray scale images is introduced, when images are corrupted by fixed valued impulse noise (salt and pepper noise). The proposed methodology ensures a better output for low and medium density of fixed value impulse noise as compare to the other famous filters like Standard Median Filter (SMF), Decision Based Median Filter (DBMF) and Modified Decision Based Median Filter (MDBMF) etc. The main objective of the proposed method was to improve peak signal to noise ratio (PSNR), visual perception and reduction in blurring of image. The proposed algorithm replaced the noisy pixel by trimmed mean value. When previous pixel values, 0‘s and 255‘s are present in the particular window and all the pixel values are 0‘s and 255‘s then the remaining noisy pixels are replaced by mean value. The gray-scale image of mandrill and Lena were tested via proposed method. The experimental result shows better peak signal to noise ratio (PSNR), mean square error (MSE) and mean absolute error (MAE) values with better visual and human perception.

Keywords :
Mean Square Error, Peak Signal to Noise Ratio. Pepper noise

Publication Details:

Unique Identification Number : IJTSRD19086

Published In : Volume-3 | Issue-1, December 2018

Page Number(s) : 866-870

Publisher Name : IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470

Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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