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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Medical Image De-Noising Schemes Using Different Wavelet Threshold Techniques

Author 1: Nadir Mustafa
Author 2: Saeed Ahmed Khan
Author 3: Jiang Ping Li
Author 4: Mohamed Tag Elsir

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2015.061108

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 6 Issue 11, 2015.

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Abstract: In recent years most of researcher’s has done tremendous work in the field of medical image applications such as Magnetic Resonance Imaging (MRI), Ultra Sound, CT scan but still there are many research and experiments in medical imaging field and diagnosing of human health by Health Care Institutes. There is a growing interest for medical imaging de-noising as a hot area of research and also imaging equipment as a device. It is used for better image processing and highlighting the important features. These images are affected with random noise during acquisition, analyzing and Transmission process. This results in blurry image visible in low contrast. Wavelet transforms have effective method to separate the noise from the original medical image by using threshold techniques without affecting the important data of an image. Wavelet transform enables us to use the forward wavelet transform to represent sub-band of the original image in decomposition process then reconstructing this sub band coefficients to original image using inverse wavelet transform. In this work, the quality of medical image has been evaluated using filter assessment parameters like Variance, standard deviation, the squared difference error between original medical image & de-noised image (MSE) and the ratio between original image & noisy image. From numerical results, we can see that the algorithm is efficient de-noising of noisy medical image. When, investigating with Baye’s threshold techniques it achieved the Best value of peak signal to noise ratio (PSNR). For best medical image de-noising, the wavelet based de-noising algorithm has been investigated and results of Baye’s techniques and hard & soft threshold methods have been compared.

Keywords: Baye’s Wavelet threshold; Discrete Wavelet; Medical Image De-noising; Magnetic Resonance Imaging (MRI)

Nadir Mustafa, Saeed Ahmed Khan, Jiang Ping Li and Mohamed Tag Elsir, “Medical Image De-Noising Schemes Using Different Wavelet Threshold Techniques” International Journal of Advanced Computer Science and Applications(IJACSA), 6(11), 2015. http://dx.doi.org/10.14569/IJACSA.2015.061108

@article{Mustafa2015,
title = {Medical Image De-Noising Schemes Using Different Wavelet Threshold Techniques},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2015.061108},
url = {http://dx.doi.org/10.14569/IJACSA.2015.061108},
year = {2015},
publisher = {The Science and Information Organization},
volume = {6},
number = {11},
author = {Nadir Mustafa and Saeed Ahmed Khan and Jiang Ping Li and Mohamed Tag Elsir}
}


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