Mixing / Combining 2 Images (Image Fusion)

This program fuses/combines/mixes 2 images
It supports both Gray & Color Images
In the program, Alpha Factor can be varied to vary the proportion of mixing of each image.
With Alpha Factor = 0.5, the two images are mixed equally.
With Alpha Facotr < 0.5, the contribution of background image will be more.
With Alpha Facotr > 0.5, the contribution of foreground image will be more.