diff --git a/train.py b/train.py index 8cb68fc0748e..28bd62ef2c27 100644 --- a/train.py +++ b/train.py @@ -124,7 +124,10 @@ def train(hyp, # path/to/hyp.yaml or hyp dictionary model = Model(cfg, ch=3, nc=nc, anchors=hyp.get('anchors')).to(device) # create # Freeze - freeze = [f'model.{x}.' for x in range(freeze)] # layers to freeze + if len(freeze) >= 2: + freeze = [f'model.{x}.' for x in freeze] # specify multiple frozen layer + else: + freeze = [f'model.{x}.' for x in range(freeze)] # specify frozen layer up to freeze for k, v in model.named_parameters(): v.requires_grad = True # train all layers if any(x in k for x in freeze): @@ -469,7 +472,8 @@ def parse_opt(known=False): 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('--patience', type=int, default=100, help='EarlyStopping patience (epochs without improvement)') - parser.add_argument('--freeze', type=int, default=0, help='Number of layers to freeze. backbone=10, all=24') + parser.add_argument('--freeze', nargs='+', type=int, default=0, + help='Specify the layers that you want to freeze in training. (e.g. 10 represents freeze up to 10, or 1 2 4 6 represents freeze layers 1,2,4,6)') parser.add_argument('--save-period', type=int, default=-1, help='Save checkpoint every x epochs (disabled if < 1)') parser.add_argument('--local_rank', type=int, default=-1, help='DDP parameter, do not modify')