Image exploitation for MISAR

N. Heinze; M. Edrich; G. Saur; W. Krüger

doi:10.1117/12.720670

7 May 2007 Image exploitation for MISAR

N. Heinze, M. Edrich, G. Saur, W. Krüger

Proceedings Volume 6568, Algorithms for Synthetic Aperture Radar Imagery XIV; 65680J (2007) https://doi.org/10.1117/12.720670
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

The miniature SAR-system MiSAR has been developed by EADS Germany for lightweight UAVs like the LUNASystem. MiSAR adds to these tactical UAV-systems the all-weather reconnaissance capability, which is missing until now. Unlike other SAR sensors, that produce large strip maps at update rates of several seconds, MiSAR generates sequences of SAR images with approximately 1 Hz frame rate. photo interpreters (PI) of tactical drones, now mainly experienced with visual interpretation, are not used to SARimages, especially not with SAR-image sequence characteristics. So they should be supported to improve their ability to carry out their task with a new, demanding sensor system. We have therefore analyzed and discussed with military PIs in which task MiSAR can be used and how the PIs can be supported by special algorithms. We developed image processing- and exploitation-algorithms for such SAR-image sequences. A main component is the generation of image sequence mosaics to get more oversight. This mosaicing has the advantage that also non straight /linear flight-paths and varying squint angles can be processed. Another component is a screening-component for manmade objects to mark regions of interest in the image sequences. We use a classification based approach, which can be easily adapted to new sensors and scenes. These algorithms are integrated into an image exploitation system to improve the image interpreters ability to get a better oversight, better orientation and helping them to detect relevant objects, especially considering long endurance reconnaissance missions.

Citation Download Citation

N. Heinze, M. Edrich, G. Saur, and W. Krüger "Image exploitation for MISAR", Proc. SPIE 6568, Algorithms for Synthetic Aperture Radar Imagery XIV, 65680J (7 May 2007); https://doi.org/10.1117/12.720670

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