save sift_matches_plot.png image as uint8 png instead of float32 tiff, to save disk space
save sift_matches_plot.png image as uint8 png instead of float32 tiff,
to save disk space

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