Not logged in. Login | Signup

About ImageNet


Summary and Statistics (updated on April 30, 2010)



Overall
  • Total number of non-empty synsets: 21841
  • Total number of images: 14,197,122
  • Number of images with bounding box annotations: 1,034,908
  • Number of synsets with SIFT features: 1000
  • Number of images with SIFT features: 1.2 million
Statistics of high level categories
High level category # synset (subcategories) Avg # images per synset Total # images
amphibian9459156K
animal38227322799K
appliance51116459K
bird856949812K
covering946819774K
device23856751610K
fabric262690181K
fish566494280K
flower462735339K
food14956701001K
fruit309607188K
fungus303453137K
furniture1871043195K
geological formation151838127K
invertebrate728573417K
mammal1138821934K
musical instrument157891140K
plant1666600999K
reptile268707190K
sport1661207200K
structure1239763946K
tool316551174K
tree993568564K
utensil8691278K
vegetable176764135K
vehicle481778374K
person2035468952K