COCO dataset
https://cocodataset.orgCOCO has several features: Object segmentation; Recognition in context; Superpixel stuff segmentation; 330K images (>200K labeled); 1.5 million object instances ...
Create COCO Annotations From Scratch — Immersive Limit
https://www.immersivelimit.com/tutorials/create-coco-annotations-from-scratch10.01.2019 · "COCO is a large-scale object detection, segmentation, and captioning dataset. 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."