metric: VOC map_type: integral num_classes: 4 TrainDataset: name: VOCDataSet dataset_dir: dataset/roadsign_voc anno_path: train.txt label_list: label_list.txt data_fields: ['image', 'gt_bbox', 'gt_class', 'difficult'] EvalDataset: name: VOCDataSet dataset_dir: dataset/roadsign_voc anno_path: valid.txt label_list: label_list.txt data_fields: ['image', 'gt_bbox', 'gt_class', 'difficult'] TestDataset: name: ImageFolder anno_path: dataset/roadsign_voc/label_list.txt