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Autofocusing of Through-the-Wall Radar Imagery Under Unknown Wall Characteristics

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3 Author(s)
Ahmad, F. ; Villanova Univ., Villanova ; Amin, M.G. ; Mandapati, G.

The quality and reliability of through-the-wall radar imagery is governed, among other things, by the knowledge of the wall characteristics. Ambiguities in wall characteristics smear and blur the image, and also shift the imaged target positions. An autofocusing technique, based on higher order statistics, is presented which corrects for errors under unknown walls. Simulation results show that the proposed technique provides high-quality focused images with target locations in close proximity to true target positions.

Published in:

Image Processing, IEEE Transactions on  (Volume:16 ,  Issue: 7 )