-section "Used determined crop"
-option "lower" l "Size of the lower crop region (multiple values)" int no multiple
-option "upper" u "Size of the upper crop region (multiple values)" int no multiple
+section "Used determined padding"
+option "lower" l "Size of the lower bound padding (multiple values=number of image dimension)" int no multiple
+option "upper" u "Size of the upper bound padding (multiple values=number of image dimension)" int no multiple