> <direction/> -- Direction of lines.
[?] <average/> -- Average line cleaning method.
[?] <trace/> -- Trace line removal method.
[?] <morpho/> -- Morphological operation. What do se and ze stand for?
[?] <gabor/> -- Gabor filter (under construction).
[?] [?]
</line>
Parent Element(s):
<foreground/> -- Container of foreground filtering parameters.