insidecity_a212025.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolbuilding0016-Nov-2006 18:54:140anonymous2242212561256242235245212241209237168238156244154241125236103242902428524376238352383323829240sidewalk0016-Nov-2006 18:54:141anonymous0256224326242322397423985244102243125237153240156245167239208239213242235246256242256256door0016-Nov-2006 18:54:142anonymous901461561471552401242369824288241