Figure 2

Datasets. Examples of amplitude images from three distinct dataset types used in this study. The ‘Lines’ and ‘Fines Features’ (Gaussian Random Field - GRF) datasets provide contrasting conditions of local symmetry (i.e., isotropy). The Gaussian random field process produces characteristic speckle, while ‘Lines’ consists of sharp, oriented edges. ‘Large Features’ is anisotropic but coarser than both ‘Lines’ and ‘Fine Features’.