A Comprative Analysis of Multitransform Techniques for Enhancement of Multifocus Image Fusion

Gurjot Kaur, Arun Begill, Umesh Sehgal

Abstract


Image Fusion is procedure of combination of the numerous images into particular image which provides enhanced quality of fused image with high resolution than source images.  Image fusion provides a superior significance in defence, military affairs, civilian sector and medical area. So, now these days image resolution and fusion enhancement is very necessary.  By using different multi-transform techniques image resolution and image fusion enhancement is possible. This Comparison paper delivers the study of multi-transform techniques DWT+SWT and DWT+LWT.Execution performance of these image fusion multi-transform techniques is evaluated by different parameters like Peak Signal to Noise Ratio, Root mean square error, Entropy, Structural similarity index, spatial frequency and computation time. On the basis of these techniques it is concluded that DWT+LWT is best multi-transform technique as compare to DWT+SWT. In this paper merits and demerits of both techniques are also defined. 


Keywords


Comparison, DWT+SWT, DWT+LWT, Image Fusion, Multi-transform techniques, Performance parameters

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