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Fusion of two images

The principle of image fusion using wavelets is to merge the wavelet decompositions of the two original images using fusion methods applied to approximations coefficients and details coefficients.

returns the fused image `xfus`

= wfusimg(`x1,x2`

,`wname`

,`level`

,`afusmeth,dfusmeth`

)`xfus`

obtained by fusion of the two original images
`x1`

and `x2`

.

`[`

also returns three wavelet decomposition tree objects associated with `xfus`

,`txfus,tx1,tx2`

] = wfusimg(`x1,x2`

,`wname`

,`level`

,`afusmeth,dfusmeth`

)`xfus`

,
`x1`

, and `x2`

, respectively.

`[___] = wfusimg(___,'plot')`

plots the objects
`txfus`

, `tx1`

, and `tx2`

. This
syntax can be used with any of the previous syntaxes.

[1] de Zeeuw, P. M. "Wavelet and image
fusion." CWI, Amsterdam, March 1998.
`https://groups.google.com/d/msg/comp.soft-sys.matlab/AjqIENmx1Z4/5g7QDFrZvWMJ`

[2] Li, H., B. S. Manjunath, and S. K.
Mitra. "Multisensor Image Fusion Using the Wavelet Transform." *Graphical Models and
Image Processing*. Volume 57, Issue 3, May 1995, pp. 235–245.

[3] Misiti, M., Y. Misiti, G.
Oppenheim, and J.-M. Poggi. *Les ondelettes et leurs applications*. France:
Hermes Science/Lavoisier, 2003.