Atomic decomposition-based SAR imaging technique

The conventional SAR imaging algorithms are developed based on specified imaging geometry models, and these algorithms become more complex considering finer resolution or more complicated geometry. The quality of the product is measured by resolution, PSLR and ISLR, etc. without regard to its application. This paper proposes a signal-model-based imaging scheme. Independent of imaging geometry, the new scheme focuses the backscattered echoes by estimating the signal parameters. Furthermore, two realizations of the scheme are presented. This scheme will also have great potential for target feature extraction and image interpretation.