opencountry_sopen15.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolsky0028-Feb-2007 18:29:430anonymous272256225631239352194019650175591685715849150531415313152129551265012240117461104596368738733255224414358mountain0028-Feb-2007 18:29:432anonymous153601596016462172631755916957161491594815052143521345113052130551405614659trees0028-Feb-2007 18:29:433anonymous26522251338409441449185118552357196226632975328536863693361033710443111451194512240128491325412854133601386811667776843671766hill0028-Feb-2007 18:29:434anonymous25674255302243720249179581726316261151601395713255135631386815669180702107323574river water0028-Feb-2007 18:29:435anonymous313426610167157692197425673256123217119174122147126110129851335513333131boat0028-Feb-2007 18:29:436anonymous621037799107100148103166105165123141126116128881257011660110ground grass0028-Feb-2007 18:29:437anonymous22562133231304513177134115130133127174123203119226120256123256256