Profiles of the components of the simulated image (Figs. 2, 3) obtained in the initial and final extractions (left and right, respectively). Orthogonal profiles of a model source (the second one from the bottom in Fig. 14d) are labeled s₁ and s₂; the narrower one (red) cuts through the source in a direction perpendicular to the filament, whereas the wider one (blue) is the source profile along the filament. Profiles f₁ to f₇ show cuts through the reconstructed filament (Fig. 14a) at 7 equidistant locations from its bottom to the top. The first three profiles (f₁–f₃) pass through the locations of the 2nd, 8th, and 14th sources; all other profiles (f₄–f₇) display the upper half of the filament, unaffected by sources.