"In case you are unfamiliar with it, Hugin is a tool useful for
bending and correcting photos in interesting ways. The initial use
case was sewing side-by-side photographs together into a seamless
panorama, but the bag of tricks has expanded considerably over the
years. Hugin can instantly take the "warp" out of a wide-angle
shot, remove color fringing from the edges of a picture, straighten
the converging sides of a tall building when shot from below, and
make other corrections that it would be arduous — if not
impossible — to do by hand.
