Open Images is a dataset of \~9 million images that have been annotated with image-level labels and bounding boxes spanning thousands of classes.

* 15,851,536 boxes on 600 categories
* 2,785,498 instance segmentations on 350 categories
* 3,284,282 relationship annotations on 1,466 relationships
* 507,444 localized narratives
* 59,919,574 image-level labels on 19,957 categories
* Extension - 478,000 crowdsourced images with 6,000+ categories

[Link to the dataset](https://storage.googleapis.com/openimages/web/index.html)