Feature extraction 2 Image texture 2 Image texture analysis 2 Inverse Gaussian density 2 Numerical problems 2 Parameter estimation 2 Radar 2 Radar imaging 2 Roughness parameters 2 Speckle 2 Statistics 2 Stochastic systems 2 Synthetic Aperture Radar Imagery 2 Synthetic aperture radar 2 Synthetic aperture radar (SAR) 2 Texture parameters 2 Textures 2 Theoretical density 2 Three parameters 2 image analysis 2 image texture analysis 2 imagery 2 roughness 2 speckle 2 statistics 2 stochasticity 2 synthetic aperture radar 2