tallbuilding_archi28.jpgspatial_envelope_256x256_static_8outdoorcategoriesAude Oliva and Antonio Torralba, IJCV 2001, vol 42(3).LabelMe Webtoolsky0007-Mar-2007 17:46:450anonymous2256212561256256231256196863796skyscrape0007-Mar-2007 17:46:452anonymous352562256379619686232256tree0007-Mar-2007 17:46:453anonymous111613241431164014429333447521447184818559591366167410766891290188420911497810451111011431172732631570218029843685487645673268295126433847445142615660624873437948964810236108291052698259724962297109267936355715562859326932782582337236573545344724462039153910451045522tree0007-Mar-2007 17:46:454anonymous164716017153171482215322143291421813619136271372912630123231122711534118361253113430137301303713639144391503315026148381424313749141501395813055128561376313961150621514815549158541636117063180541774817151162481643316420164151703317041177461825018240185451884719353194601946720164206622106420854199562014220024204212142720816217132254211720416189201852217525176181911419481854181717212170215911562