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Fix/taming download path #226

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Fix/taming download path #226

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04dffbd
add directory args to download LPIPS model
shibuiwilliam Sep 29, 2023
426920c
add missing import os
shibuiwilliam Sep 29, 2023
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8 changes: 6 additions & 2 deletions taming/modules/losses/lpips.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
"""Stripped version of https://github.com/richzhang/PerceptualSimilarity/tree/master/models"""
import os

import torch
import torch.nn as nn
Expand All @@ -10,8 +11,9 @@

class LPIPS(nn.Module):
# Learned perceptual metric
def __init__(self, use_dropout=True):
def __init__(self, use_dropout=True, download_directory: str = "/tmp/"):
super().__init__()
self.download_directory = download_directory
self.scaling_layer = ScalingLayer()
self.chns = [64, 128, 256, 512, 512] # vg16 features
self.net = vgg16(pretrained=True, requires_grad=False)
Expand All @@ -25,7 +27,9 @@ def __init__(self, use_dropout=True):
param.requires_grad = False

def load_from_pretrained(self, name="vgg_lpips"):
ckpt = get_ckpt_path(name, "taming/modules/autoencoder/lpips")
root = os.path.join(self.download_directory, "taming/modules/autoencoder/lpips")
os.makedirs(root, exist_ok=True)
ckpt = get_ckpt_path(name, root)
self.load_state_dict(torch.load(ckpt, map_location=torch.device("cpu")), strict=False)
print("loaded pretrained LPIPS loss from {}".format(ckpt))

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