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International Journal of Modern Education and Computer Science (IJMECS)

ISSN: 2075-0161 (Print), ISSN: 2075-017X (Online)

Published By: MECS Press

IJMECS Vol.10, No.2, Feb. 2018

An Efficient Adaptive based Median Technique to De-noise Colour and Greyscale Images

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Author(s)

Gourav, Tejpal Sharma

Index Terms

Image features;Noise types and Filters;Algorithms steps;Performance analysis

Abstract

The picture noise is an irregular variation of brightness and color information in pictures. It decreases picture quality and permeability of specific elements inside the picture. The most surely understood noise that corrupts the photo with impulse noise. In this work, an effective algorithm is intended to identify and remove noise from a picture. An improved de-noising calculation in view of the median filter is exhibited for greyscale and colored images. The algorithm incorporates two cases: I) if the chose window contains all pixel values "0" to "255" at that point center preparing pixel supplanted by the mean of qualities. II) If the chosen window does not contain all components "0" and "255" then eliminate "0" and "255" and central preparing pixel is replaced by the median of remaining pixels values. The performance is checked off the purposed algorithm by comparing it with corresponding filters. The experiment checked at various noise proportion 5% to 80% for greyscale and color pictures. Results are checked as far as MSE and PSNR and even at high noise proportion; it gives better outcomes over other existing techniques.

Cite This Paper

Gourav, Tejpal Sharma, " An Efficient Adaptive based Median Technique to De-noise Colour and Greyscale Images", International Journal of Modern Education and Computer Science(IJMECS), Vol.10, No.2, pp. 48-53, 2018.DOI: 10.5815/ijmecs.2018.02.06

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