Pretrained model in the README

Former-commit-id: 67bf11b4db4c5f2891bd7e8e7f58bcde8ee2d2db

README.md

@@ -81,6 +81,14 @@ By default, the `scale` is 0.5, so if you wish to obtain better results (but use
 
 The input images and target masks should be in the `data/imgs` and `data/masks` folders respectively.
 
+### Pretrained model
+A [pretrained model](https://github.com/milesial/Pytorch-UNet/releases/tag/v1.0) is available for the Carvana dataset. It can also be loaded from torch.hub:
+
+```python
+net = torch.hub.load('milesial/Pytorch-UNet', 'unet_carvana')
+```
+The training was done with a 100% scale and bilinear upsampling.
+
 ## Tensorboard
 You can visualize in real time the train and test losses, the weights and gradients, along with the model predictions with tensorboard:
 

train.py

@@ -130,7 +130,7 @@ def get_args():
                         help='Number of epochs', dest='epochs')
     parser.add_argument('-b', '--batch-size', metavar='B', type=int, nargs='?', default=1,
                         help='Batch size', dest='batchsize')
-    parser.add_argument('-l', '--learning-rate', metavar='LR', type=float, nargs='?', default=0.1,
+    parser.add_argument('-l', '--learning-rate', metavar='LR', type=float, nargs='?', default=0.0001,
                         help='Learning rate', dest='lr')
     parser.add_argument('-f', '--load', dest='load', type=str, default=False,
                         help='Load model from a .pth file')