option "lower" - "Initial lower threshold" double no
option "upper" - "Initial upper threshold" double no default="-300"
+option "openingRadius" - "Radius for opening after threshold" int no default="0"
section "First Label Image (air=1)"
section "Clean-up"
option "openClose" - "Perform morphological opening and closing with unit radius" flag off
-option "noAutoCrop" - "If set : do no crop final mask to BoundingBox" flag on
+option "noAutoCrop" - "If set : do no crop final mask to BoundingBox" flag off