train2017(训练集图片)。一般还会配套下val2017和annotations。
COCO 2017 Train Images:
http://images.cocodataset.org/zips/train2017.zipGitHubCOCO 2017 Val Images:
http://images.cocodataset.org/zips/val2017.zipGitHubCOCO 2017 Train/Val Annotations:
http://images.cocodataset.org/annotations/annotations_trainval2017.zipGitHub
(如果确实需要 test:http://images.cocodataset.org/zips/test2017.zipGitHub)