opencountry_sopen61.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolsky0028-Feb-2007 18:34:280anonymous210621256125620248252303521842206481955218053165531535414156128621176510669927183757576658546923397231001410310103mountain0028-Feb-2007 18:34:281anonymous256119256192363020149184521555313856118649569797575756285359617102101032107212217116301104010653105659781103101105119105131104158110174115188118210119239120rocks0028-Feb-2007 18:34:282anonymous2135212226110341084610655103639871989210412710614210718011618311718512019712421712622712821113116013011713184131541363313416133rives water0028-Feb-2007 18:34:283anonymous256130256118226119192118187118199123220125226127226128231130river bed0028-Feb-2007 18:34:284anonymous2562562541302301332281282071301541291201308813061135561367213899137111136128146138156141170140191133211122230115246105256river water0028-Feb-2007 18:34:285anonymous22315020514318814116913814713611813573135110136130146148158161172168182167189179194193207212214232222250226254226254191243185231169ground0028-Feb-2007 18:34:286anonymous2256013515133501377214092136109135125144132150140171140193131212122229114242109251105255