Fast registration of satellite images in the presence of significant scene content variations

Subrata Rakshit; Dipti Deaodhare; R. Krishnan

doi:10.1117/12.364038

4 October 1999 Fast registration of satellite images in the presence of significant scene content variations

Subrata Rakshit, Dipti Deaodhare, R. Krishnan

Proceedings Volume 3809, Signal and Data Processing of Small Targets 1999; (1999) https://doi.org/10.1117/12.364038
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Many remote sensing applications require comparison between satellite images acquired over a span of years. Commercially available radar images, such as ERS images, have misalignments between images ranging up to 100 pixels for images acquired a few years apart. The registration of these images is rendered difficult due to three reasons. (i) The volume of data to be processed makes speed of execution key issue. (ii) The uncertainty regarding scene contents rules out the use of any predefined 'target class'. (iii) The long time interval between images leads to large scene content variations. This requires the matching process to be very robust.

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Subrata Rakshit, Dipti Deaodhare, and R. Krishnan "Fast registration of satellite images in the presence of significant scene content variations", Proc. SPIE 3809, Signal and Data Processing of Small Targets 1999, (4 October 1999); https://doi.org/10.1117/12.364038

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KEYWORDS

Image registration

Sensors

Ions

Radar

Earth observing sensors

Satellite imaging

Satellites

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