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Reseach Article

Image Fusion Scheme based on Wavelet Transformation

by Nisar Ahmed, Ruhiat Sultana, Syed Abdul Sattar
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 179 - Number 10
Year of Publication: 2018
Authors: Nisar Ahmed, Ruhiat Sultana, Syed Abdul Sattar
10.5120/ijca2018916099

Nisar Ahmed, Ruhiat Sultana, Syed Abdul Sattar . Image Fusion Scheme based on Wavelet Transformation. International Journal of Computer Applications. 179, 10 ( Jan 2018), 16-20. DOI=10.5120/ijca2018916099

@article{ 10.5120/ijca2018916099,
author = { Nisar Ahmed, Ruhiat Sultana, Syed Abdul Sattar },
title = { Image Fusion Scheme based on Wavelet Transformation },
journal = { International Journal of Computer Applications },
issue_date = { Jan 2018 },
volume = { 179 },
number = { 10 },
month = { Jan },
year = { 2018 },
issn = { 0975-8887 },
pages = { 16-20 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume179/number10/28836-2018916099/ },
doi = { 10.5120/ijca2018916099 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-07T00:54:58.374143+05:30
%A Nisar Ahmed
%A Ruhiat Sultana
%A Syed Abdul Sattar
%T Image Fusion Scheme based on Wavelet Transformation
%J International Journal of Computer Applications
%@ 0975-8887
%V 179
%N 10
%P 16-20
%D 2018
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The paper focuses on image fusion between multi-spectral images and panchromatic images using a gradient based wavelet analysis method with image processing traits. For highlighting the core features of source images, pre-processing is accomplished. A new gradient technique is developed based on wavelet transformation. As of gradient process, for a multi-spectral image, every pixel having 4 neighbors of each of them. The summation that we do matches those of the multi-spectral images that we have selected. Two major considerations for gradient are considered. One is for the pixel values in the multi-spectral images region and other is the gradient pixel values that are at the boundary. Once we have calculated these values, we transfer these values from the multi-spectral images onto the panchromatic image and then rest of the values outside the mask are kept as same. Since we are working on the RGB images, we copied the RGB channels directly. By calculating bigger gradient of the two images either in multi-spectral images or panchromatic images and then construct the final image using inverse wavelet transformation. The proposed method is experimented on satellite, medical and natural images. In all the cases, this method shown superiority with existing methods.

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Index Terms

Computer Science
Information Sciences

Keywords

Gradient wavelet fusion Multi-spectral pre-processing.