Yolov5训练意外中断后如何接续训练详解

if __name__ == '__main__':
	os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
	parser = argparse.ArgumentParser()
	parser.add_argument('--weights', type=str, default='../weights/yolov5s.pt', help='initial weights path')
	parser.add_argument('--cfg', type=str, default='./models/yolov5s.yaml', help='model.yaml path')
	parser.add_argument('--data', type=str, default='data/car.yaml', help='data.yaml path')
	parser.add_argument('--hyp', type=str, default='data/hyp.scratch.yaml', help='hyperparameters path')
	parser.add_argument('--epochs', type=int, default=300)
	parser.add_argument('--batch-size', type=int, default=32, help='total batch size for all GPUs')
	parser.add_argument('--img-size', nargs='+', type=int, default=[640, 640], help='[train, test] image sizes')
	parser.add_argument('--rect', action='store_true', help='rectangular training')
	parser.add_argument('--resume', nargs='?', const=True, default=False, help='resume most recent training')
	parser.add_argument('--nosave', action='store_true', help='only save final checkpoint')
	parser.add_argument('--notest', action='store_true', help='only test final epoch')
	parser.add_argument('--noautoanchor', action='store_true', help='disable autoanchor check')
	parser.add_argument('--evolve', action='store_true', help='evolve hyperparameters')
	parser.add_argument('--bucket', type=str, default='', help='gsutil bucket')
	parser.add_argument('--cache-images', action='store_true', help='cache images for faster training')
	parser.add_argument('--image-weights', action='store_true', help='use weighted image selection for training')
	parser.add_argument('--device', default='1', help='cuda device, i.e. 0 or 0,1,2,3 or cpu')
	parser.add_argument('--multi-scale', action='store_true', help='vary img-size +/- 50%%')
	parser.add_argument('--single-cls', action='store_true', help='train multi-class data as single-class')
	parser.add_argument('--adam', action='store_true', help='use torch.optim.Adam() optimizer')
	parser.add_argument('--sync-bn', action='store_true', help='use SyncBatchNorm, only available in DDP mode')
	parser.add_argument('--local_rank', type=int, default=-1, help='DDP parameter, do not modify')
	parser.add_argument('--workers', type=int, default=8, help='maximum number of dataloader workers')
	parser.add_argument('--project', default='runs/train', help='save to project/name')
	parser.add_argument('--entity', default=None, help='W&B entity')
	parser.add_argument('--name', default='exp', help='save to project/name')
	parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment')
	parser.add_argument('--quad', action='store_true', help='quad dataloader')
	parser.add_argument('--linear-lr', action='store_true', help='linear LR')
	parser.add_argument('--label-smoothing', type=float, default=0.0, help='Label smoothing epsilon')
	parser.add_argument('--upload_dataset', action='store_true', help='Upload dataset as W&B artifact table')
	parser.add_argument('--bbox_interval', type=int, default=-1, help='Set bounding-box image logging interval for W&B')
	parser.add_argument('--save_period', type=int, default=-1, help='Log model after every "save_period" epoch')
	parser.add_argument('--artifact_alias', type=str, default="latest", help='version of dataset artifact to be used')
	opt = parser.parse_args()

	parser.add_argument('--resume', nargs='?', const=True, default=True, help='resume most recent training')