insidecity_art1366.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolclock0002-Nov-2006 06:52:070anonymous120441255113456140561465415247153421533715029145251392313423128251223012039building0002-Nov-2006 06:52:071anonymous0025612562560256