Abstract
The motion of targets is well known to result in their defocusing and displacement in SAR imagery, but detection of motion and re-focusing of targets under generic conditions remains an ongoing interest. One class of methods involves forming images of sub-apertures in which motion defocusing will be reduced. In this paper, dynamic tomographic image formation methods utilising an optical flow constraint is used to form a video of SAR sub-aperture images. These retain fine resolution of the full aperture, focusing along-track motion.
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