COCO is a large-scale object detection, segmentation, and captioning dataset.
http://cocodataset.org
COCO has several features:
Object segmentation
Recognition in context
Superpixel stuff segmentation
330K images (>200K labeled)
1.5 million object instances
80 object categories
91 stuff categories
5 captions per image
* 250,000 people with keypoints
Terms of Use
http://cocodataset.org/#termsofuse
