ABSTRACT
This chapter provides practicable image fusion techniques available for remote sensing images. The number of algorithms has increased over the years, and it has become a challenge to organize and present the various possibilities of fusing remote sensing images. In particular, it has become extremely difficult to identify the various algorithms since they often appear under different names. This is due to the fact that many fusion algorithms have been implemented in commercial software. Different software providers chose different names to supply the same thing. Another difficulty in listing available algorithms occurs in the identification of who really originated the approach because over the years published research on the development of new algorithms has not been cited from the originator. Authors rather cite citations of citations, which make it sometimes impossible to track the material back to its origin. Together with the confusion of multiple names for one algorithm, the challenge to master is identification of the original algorithm along with using its accepted terminology. In this chapter, we have tried to present the basic underlying algorithms and originators, although we might not have always succeeded in this effort.
