About ImageNet
Summary and Statistics (updated on Sep 25, 2009)
Publicly available subtrees
| Subtree | # Synset | Avg # images per synset | Total # images |
| fruit | 321 | 613 | 197K |
| flower | 468 | 781 | 365K |
| tree | 1014 | 593 | 602K |
| geological formation | 176 | 584 | 102K |
| instrumentality | 5495 | 648 | 3563K |
| structure | 1406 | 644 | 906K |
| vegetable | 176 | 785 | 138K |
| fabric | 284 | 604 | 171K |
| covering | 1014 | 751 | 762K |
| sport | 177 | 1031 | 182K |
| fungus | 309 | 477 | 147K |
| animal | 3999 | 723 | 2893K |