Geometric Integration of Aerial and High-Resolution Satellite Imagery and Application in Shoreline Mapping

Abstract

This paper investigates the geopositioning accuracy achievable from integrating IKONOS and QuickBird satellite stereo image pairs with aerial images acquired over a region at Tampa Bay, Florida. The results showed that the accuracy is related to a few factors of imaging geometry. For example, the geopositioning accuracy of a stereo pair of IKONOS or QuickBird images can be improved by integrating a set of aerial images, even just a single aerial image or a stereo pair of aerial images. Shorelines derived from the IKONOS and QuickBird stereo images, particularly the vertical positions, are compared with the corresponding observations of water-penetrating LiDAR and water gauge stations and proved that differences are within the limit of the geopositioning uncertainty of the satellite images.

Keywords:

• High-resolution satellite images
• aerial images
• geometric integration
• geopositioning accuracy
• shoreline

Acknowledgements

The aerial images were provided by the Florida Department of Transportation. The water gauge station observations were provided by the National Oceanic and Atmospheric Administration. This research has been supported by the National Science Foundation and the National Geospatial-Intelligence Agency.