tallbuilding_urb992.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolsky0023-Apr-2007 17:41:500anonymous2203212561256941701114341093210038994479546445396235842490building0023-Apr-2007 17:41:501anonymous22432389358438606444775398431003810831113331711256942562562152511742521062506524852243ground grass0023-Apr-2007 17:41:502anonymous332561225065248220251256256road0023-Apr-2007 17:41:503anonymous2256224354243672471225030256