tallbuilding_art101.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolsky0024-Feb-2007 10:18:420anonymous25613125612121265158977994931059811153135718132building occluded0024-Feb-2007 10:18:421anonymous2562552561311813213461105310598134111143256building occluded0024-Feb-2007 10:18:422anonymous215521265058977994936883building0024-Feb-2007 10:18:423anonymous325621556883133112142256