TrainReader: reader_function: ppocr.data.rec.dataset_traversal,SimpleReader num_workers: 8 img_set_dir: . label_file_path: ./train_data/hard_label.txt EvalReader: reader_function: ppocr.data.rec.dataset_traversal,SimpleReader img_set_dir: . label_file_path: ./train_data/label_val_all.txt TestReader: reader_function: ppocr.data.rec.dataset_traversal,SimpleReader infer_img: ./infer_img