metric: COCO
num_classes: 3

TrainDataset:
  !COCODataSet
    image_dir: train/images
    anno_path: annotations/instances_train.json
    dataset_dir: Layout_Analysis/V1.3_27K
    data_fields: ['image', 'gt_bbox', 'gt_class', 'is_crowd']

EvalDataset:
  !COCODataSet
    image_dir: eval/images
    anno_path: annotations/instances_val.json
    dataset_dir: Layout_Analysis/V1.3_27K

TestDataset:
  !ImageFolder
    anno_path: annotations/instances_val.json # also support txt (like VOC's label_list.txt)
    dataset_dir: Layout_Analysis/V1.3_27K # if set, anno_path will be 'dataset_dir/anno_path'