metric: COCO num_classes: 80 # Datset configuration TrainDataset: !COCODataSet image_dir: train2017 anno_path: annotations/instances_train2017.json dataset_dir: dataset/coco/ EvalDataset: !COCODataSet image_dir: val2017 anno_path: annotations/instances_val2017.json dataset_dir: dataset/coco/ worker_num: 0 # preprocess reader in test EvalReader: sample_transforms: - Decode: {} - Resize: {target_size: [640, 640], keep_ratio: False, interp: 2} - NormalizeImage: {mean: [0., 0., 0.], std: [1., 1., 1.], is_scale: True} - Permute: {} batch_size: 4