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ABSTRACT
Over the last two decades, there has been a significant improvement in the quality and volume of the remote-sensing images. With the extensive availability of the images, these are used in many applications such as change detection, image mosaicing, and image fusion where image registration is very necessary. However, image registration is a challenging task in remote sensing due to the following reasons: geometric differences between images, intensity differences, and noise affect. Over the years, wide variety of algorithms have come into existence to handle these issues. In this paper, a comprehensive review is presented on these remote sensing image registration methods. At first, the general information of remote sensing image registration, its classifications, and application areas are provided. Then, an exhaustive review is given on the existing methods and their merits as well as shortcomings are mentioned. Finally, a comparative analysis is provided for the state-of-the-art methods and current challenges of this research are presented.
Disclosure statement
No potential conflict of interest was reported by the authors.