Fig. 20
Top left: a pure fBm map generated with S/N = ∞ and spectral index ζ = 3. Top right: a pure fBm map filtered with maximum filter of size 15 pix. Bottom left: efBm map, which is generated by superimposing the pure fBm structure (top left) and the filtered fBm structure (top right) and for brightness parameter W = 1. Bottom right: efBm map shifted by τi,x = 10 pix and τi,y = 10 pix.
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