fixed filetype of the cost map written by sgbm. It's now a tif file, instead of a Netpbm PGM image text.
fixed filetype of the cost map written by sgbm. It's now a tif file,
instead of a Netpbm PGM image text.

dyoussef/s2p,dyoussef/s2p,dyoussef/s2p,mnhrdt/s2p,dyoussef/s2p,MISS3D/s2p,MISS3D/s2p,MISS3D/s2p,carlodef/s2p,jmichel-otb/s2p,MISS3D/s2p,jmichel-otb/s2p,jmichel-otb/s2p,mnhrdt/s2p,jmichel-otb/s2p,carlodef/s2p