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Asian Journal of Scientific Research
  Year: 2015 | Volume: 8 | Issue: 3 | Page No.: 291-303
DOI: 10.3923/ajsr.2015.291.303
 
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A Case Study of Impulse Noise Reduction Using Morphological Image Processing with Structuring Elements

V. Elamaran, Har Narayan Upadhyay, K. Narasimhan and J. Jezebel Priestley

Abstract:
Image enhancement plays a vital role in the field of digital image processing since the noise is added very often with the original image. Spatial filtering techniques like low pass, high pass, band pass and notch with the help of convolution mask are often used to enhance the image with reduced noise. Recently, morphological algorithms play a major role in the area of filtering noise, boundary detection, shape detection, image manipulation, etc. Especially by applying dilation, erosion, opening and closing to the image appropriately, the quality of the image can be further enhanced. In this study, morphological algorithms are being applied to remove the salt and pepper noise from the input image. Erosion followed by dilation and dilation followed by erosion are the main methods to remove this kind of impulsive noise. MATLAB software is used to apply these opening and closing methods to enhance the quality of the image with difference structuring elements. Simulation results are obtained and the comparison is done with the performance metrics like Peak Signal-to-Noise Ratio (PSNR), Mean Absolute Error (MAE), Normalized Correlation Coefficient (NCC) and Image Enhancement Factor (IEF) with different structuring elements.
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How to cite this article:

V. Elamaran, Har Narayan Upadhyay, K. Narasimhan and J. Jezebel Priestley, 2015. A Case Study of Impulse Noise Reduction Using Morphological Image Processing with Structuring Elements. Asian Journal of Scientific Research, 8: 291-303.

DOI: 10.3923/ajsr.2015.291.303

URL: https://scialert.net/abstract/?doi=ajsr.2015.291.303

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