wget -P ./pretrain_models/ https://paddleocr.bj.bcebos.com/pretrained/MobileNetV3_large_x0_5_pretrained.pdparams

python   tools/train.py -c configs/det/det_mv3_db.yml -o Global.epoch_num=50  Architecture.Backbone.scale=1.25 Global.eval_batch_step=[0,40] Train.loader.batch_size_per_card=36 Train.loader.num_workers=2 Eval.loader.num_workers=0  2>&1 | tee ./$(date '+%Y-%m-%dT%H_%M_%S')_dbnet
