radar image de-noising based on Shearlet transform using the context-based modelDecember 2014Shuaiqi Liu | Mingzhu Shi | Shaohai Hu | Yang XiaoAs the synthetic aperture radar (SAR) has been widely used in agriculture, forestry, hydrology, mining, marine, mapping and other fields, the method to improve the image quality and visual effect of...Nested sparse sampling and co-prime sampling in sense-th