gaussian-splatting/lpipsPyTorch/__init__.py
2023-07-04 10:00:48 +02:00

22 lines
635 B
Python

import torch
from .modules.lpips import LPIPS
def lpips(x: torch.Tensor,
y: torch.Tensor,
net_type: str = 'alex',
version: str = '0.1'):
r"""Function that measures
Learned Perceptual Image Patch Similarity (LPIPS).
Arguments:
x, y (torch.Tensor): the input tensors to compare.
net_type (str): the network type to compare the features:
'alex' | 'squeeze' | 'vgg'. Default: 'alex'.
version (str): the version of LPIPS. Default: 0.1.
"""
device = x.device
criterion = LPIPS(net_type, version).to(device)
return criterion(x, y)