A contrast-based image fusion system and method of processing multiple images
to
form a processed or fused image including regions selected from one or more images.
Images are divided into image regions. Portions of the images are filtered if necessary.
A contrast map is generated for each image via a convolution kernel resulting in
a contrast map with contrast values for each image region. Contrast values are
compared and image regions are selected based on a selection criteria or process
such as greater or maximum contrast. The selected image regions form the fused
image. If necessary, the luminance of one or more portions of the fused image is
adjusted. One sensor is selected as a reference sensor, and an average intensity
of each region of the reference sensor image is determined across the reference
sensor image. The intensity of one or more regions in the final image is adjusted
by combining the determined average luminance values and intensity values of the
final image.
