Function l1_loss

utils/loss_utils.py:18–19

(network_output, gt)

from torchmetrics import MultiScaleStructuralSimilarityIndexMeasure

def l1_loss(network_output, gt):
    return torch.abs((network_output - gt)).mean()

def l2_loss(network_output, gt):
    return ((network_output - gt) ** 2).mean()