Environmental monitoring is a very important field nowadays, as it allows for disaster prevention, fire damage assessment, snowmelt forecasts, etc. All this tasks heavy rely on the quality of the satellite data. Radar data is a fairly new approach which allows to retrieve land surface information in a cloudiness conditions and even at night. One of the main quality parameters of satellite images is spatial resolution, which stands for how well different small objects differentiate on the image itself. Thus, satellite SAR data spatial resolution enhancement is an important modern task.
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