http://images.cocodataset.org/zips/val2017.zip [8] -train2017/val2017 annotations:(241MB) http://images.cocodataset.org/annotations/annotations_trainval2017.zip [9] -stuff train2017/val2017 annotations:(1.1GB) http://images.cocodataset.org/annotations/stuff_annotations_trainval2017.zip [10] ...