Merge pull request #1403 from d8ahazard/ScuNET

Add ScuNET Denoiser/Upscaler, Fix some Model Loader issues
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AUTOMATIC1111 2022-10-02 17:39:34 +03:00 committed by GitHub
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5 changed files with 379 additions and 13 deletions

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@ -5,7 +5,6 @@ import importlib
from urllib.parse import urlparse
from basicsr.utils.download_util import load_file_from_url
from modules import shared
from modules.upscaler import Upscaler
from modules.paths import script_path, models_path
@ -121,16 +120,30 @@ def move_files(src_path: str, dest_path: str, ext_filter: str = None):
def load_upscalers():
sd = shared.script_path
# We can only do this 'magic' method to dynamically load upscalers if they are referenced,
# so we'll try to import any _model.py files before looking in __subclasses__
modules_dir = os.path.join(sd, "modules")
for file in os.listdir(modules_dir):
if "_model.py" in file:
model_name = file.replace("_model.py", "")
full_model = f"modules.{model_name}_model"
try:
importlib.import_module(full_model)
except:
pass
datas = []
c_o = vars(shared.cmd_opts)
for cls in Upscaler.__subclasses__():
name = cls.__name__
module_name = cls.__module__
module = importlib.import_module(module_name)
class_ = getattr(module, name)
cmd_name = f"{name.lower().replace('upscaler', '')}-models-path"
cmd_name = f"{name.lower().replace('upscaler', '')}_models_path"
opt_string = None
try:
opt_string = shared.opts.__getattr__(cmd_name)
if cmd_name in c_o:
opt_string = c_o[cmd_name]
except:
pass
scaler = class_(opt_string)

90
modules/scunet_model.py Normal file
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@ -0,0 +1,90 @@
import os.path
import sys
import traceback
import PIL.Image
import numpy as np
import torch
from basicsr.utils.download_util import load_file_from_url
import modules.upscaler
from modules import shared, modelloader
from modules.paths import models_path
from modules.scunet_model_arch import SCUNet as net
class UpscalerScuNET(modules.upscaler.Upscaler):
def __init__(self, dirname):
self.name = "ScuNET"
self.model_path = os.path.join(models_path, self.name)
self.model_name = "ScuNET GAN"
self.model_name2 = "ScuNET PSNR"
self.model_url = "https://github.com/cszn/KAIR/releases/download/v1.0/scunet_color_real_gan.pth"
self.model_url2 = "https://github.com/cszn/KAIR/releases/download/v1.0/scunet_color_real_psnr.pth"
self.user_path = dirname
super().__init__()
model_paths = self.find_models(ext_filter=[".pth"])
scalers = []
add_model2 = True
for file in model_paths:
if "http" in file:
name = self.model_name
else:
name = modelloader.friendly_name(file)
if name == self.model_name2 or file == self.model_url2:
add_model2 = False
try:
scaler_data = modules.upscaler.UpscalerData(name, file, self, 4)
scalers.append(scaler_data)
except Exception:
print(f"Error loading ScuNET model: {file}", file=sys.stderr)
print(traceback.format_exc(), file=sys.stderr)
if add_model2:
scaler_data2 = modules.upscaler.UpscalerData(self.model_name2, self.model_url2, self)
scalers.append(scaler_data2)
self.scalers = scalers
def do_upscale(self, img: PIL.Image, selected_file):
torch.cuda.empty_cache()
model = self.load_model(selected_file)
if model is None:
return img
device = shared.device
img = np.array(img)
img = img[:, :, ::-1]
img = np.moveaxis(img, 2, 0) / 255
img = torch.from_numpy(img).float()
img = img.unsqueeze(0).to(shared.device)
img = img.to(device)
with torch.no_grad():
output = model(img)
output = output.squeeze().float().cpu().clamp_(0, 1).numpy()
output = 255. * np.moveaxis(output, 0, 2)
output = output.astype(np.uint8)
output = output[:, :, ::-1]
torch.cuda.empty_cache()
return PIL.Image.fromarray(output, 'RGB')
def load_model(self, path: str):
device = shared.device
if "http" in path:
filename = load_file_from_url(url=self.model_url, model_dir=self.model_path, file_name="%s.pth" % self.name,
progress=True)
else:
filename = path
if not os.path.exists(os.path.join(self.model_path, filename)) or filename is None:
print(f"ScuNET: Unable to load model from {filename}", file=sys.stderr)
return None
model = net(in_nc=3, config=[4, 4, 4, 4, 4, 4, 4], dim=64)
model.load_state_dict(torch.load(filename), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
return model

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@ -0,0 +1,265 @@
# -*- coding: utf-8 -*-
import numpy as np
import torch
import torch.nn as nn
from einops import rearrange
from einops.layers.torch import Rearrange
from timm.models.layers import trunc_normal_, DropPath
class WMSA(nn.Module):
""" Self-attention module in Swin Transformer
"""
def __init__(self, input_dim, output_dim, head_dim, window_size, type):
super(WMSA, self).__init__()
self.input_dim = input_dim
self.output_dim = output_dim
self.head_dim = head_dim
self.scale = self.head_dim ** -0.5
self.n_heads = input_dim // head_dim
self.window_size = window_size
self.type = type
self.embedding_layer = nn.Linear(self.input_dim, 3 * self.input_dim, bias=True)
self.relative_position_params = nn.Parameter(
torch.zeros((2 * window_size - 1) * (2 * window_size - 1), self.n_heads))
self.linear = nn.Linear(self.input_dim, self.output_dim)
trunc_normal_(self.relative_position_params, std=.02)
self.relative_position_params = torch.nn.Parameter(
self.relative_position_params.view(2 * window_size - 1, 2 * window_size - 1, self.n_heads).transpose(1,
2).transpose(
0, 1))
def generate_mask(self, h, w, p, shift):
""" generating the mask of SW-MSA
Args:
shift: shift parameters in CyclicShift.
Returns:
attn_mask: should be (1 1 w p p),
"""
# supporting sqaure.
attn_mask = torch.zeros(h, w, p, p, p, p, dtype=torch.bool, device=self.relative_position_params.device)
if self.type == 'W':
return attn_mask
s = p - shift
attn_mask[-1, :, :s, :, s:, :] = True
attn_mask[-1, :, s:, :, :s, :] = True
attn_mask[:, -1, :, :s, :, s:] = True
attn_mask[:, -1, :, s:, :, :s] = True
attn_mask = rearrange(attn_mask, 'w1 w2 p1 p2 p3 p4 -> 1 1 (w1 w2) (p1 p2) (p3 p4)')
return attn_mask
def forward(self, x):
""" Forward pass of Window Multi-head Self-attention module.
Args:
x: input tensor with shape of [b h w c];
attn_mask: attention mask, fill -inf where the value is True;
Returns:
output: tensor shape [b h w c]
"""
if self.type != 'W': x = torch.roll(x, shifts=(-(self.window_size // 2), -(self.window_size // 2)), dims=(1, 2))
x = rearrange(x, 'b (w1 p1) (w2 p2) c -> b w1 w2 p1 p2 c', p1=self.window_size, p2=self.window_size)
h_windows = x.size(1)
w_windows = x.size(2)
# sqaure validation
# assert h_windows == w_windows
x = rearrange(x, 'b w1 w2 p1 p2 c -> b (w1 w2) (p1 p2) c', p1=self.window_size, p2=self.window_size)
qkv = self.embedding_layer(x)
q, k, v = rearrange(qkv, 'b nw np (threeh c) -> threeh b nw np c', c=self.head_dim).chunk(3, dim=0)
sim = torch.einsum('hbwpc,hbwqc->hbwpq', q, k) * self.scale
# Adding learnable relative embedding
sim = sim + rearrange(self.relative_embedding(), 'h p q -> h 1 1 p q')
# Using Attn Mask to distinguish different subwindows.
if self.type != 'W':
attn_mask = self.generate_mask(h_windows, w_windows, self.window_size, shift=self.window_size // 2)
sim = sim.masked_fill_(attn_mask, float("-inf"))
probs = nn.functional.softmax(sim, dim=-1)
output = torch.einsum('hbwij,hbwjc->hbwic', probs, v)
output = rearrange(output, 'h b w p c -> b w p (h c)')
output = self.linear(output)
output = rearrange(output, 'b (w1 w2) (p1 p2) c -> b (w1 p1) (w2 p2) c', w1=h_windows, p1=self.window_size)
if self.type != 'W': output = torch.roll(output, shifts=(self.window_size // 2, self.window_size // 2),
dims=(1, 2))
return output
def relative_embedding(self):
cord = torch.tensor(np.array([[i, j] for i in range(self.window_size) for j in range(self.window_size)]))
relation = cord[:, None, :] - cord[None, :, :] + self.window_size - 1
# negative is allowed
return self.relative_position_params[:, relation[:, :, 0].long(), relation[:, :, 1].long()]
class Block(nn.Module):
def __init__(self, input_dim, output_dim, head_dim, window_size, drop_path, type='W', input_resolution=None):
""" SwinTransformer Block
"""
super(Block, self).__init__()
self.input_dim = input_dim
self.output_dim = output_dim
assert type in ['W', 'SW']
self.type = type
if input_resolution <= window_size:
self.type = 'W'
self.ln1 = nn.LayerNorm(input_dim)
self.msa = WMSA(input_dim, input_dim, head_dim, window_size, self.type)
self.drop_path = DropPath(drop_path) if drop_path > 0. else nn.Identity()
self.ln2 = nn.LayerNorm(input_dim)
self.mlp = nn.Sequential(
nn.Linear(input_dim, 4 * input_dim),
nn.GELU(),
nn.Linear(4 * input_dim, output_dim),
)
def forward(self, x):
x = x + self.drop_path(self.msa(self.ln1(x)))
x = x + self.drop_path(self.mlp(self.ln2(x)))
return x
class ConvTransBlock(nn.Module):
def __init__(self, conv_dim, trans_dim, head_dim, window_size, drop_path, type='W', input_resolution=None):
""" SwinTransformer and Conv Block
"""
super(ConvTransBlock, self).__init__()
self.conv_dim = conv_dim
self.trans_dim = trans_dim
self.head_dim = head_dim
self.window_size = window_size
self.drop_path = drop_path
self.type = type
self.input_resolution = input_resolution
assert self.type in ['W', 'SW']
if self.input_resolution <= self.window_size:
self.type = 'W'
self.trans_block = Block(self.trans_dim, self.trans_dim, self.head_dim, self.window_size, self.drop_path,
self.type, self.input_resolution)
self.conv1_1 = nn.Conv2d(self.conv_dim + self.trans_dim, self.conv_dim + self.trans_dim, 1, 1, 0, bias=True)
self.conv1_2 = nn.Conv2d(self.conv_dim + self.trans_dim, self.conv_dim + self.trans_dim, 1, 1, 0, bias=True)
self.conv_block = nn.Sequential(
nn.Conv2d(self.conv_dim, self.conv_dim, 3, 1, 1, bias=False),
nn.ReLU(True),
nn.Conv2d(self.conv_dim, self.conv_dim, 3, 1, 1, bias=False)
)
def forward(self, x):
conv_x, trans_x = torch.split(self.conv1_1(x), (self.conv_dim, self.trans_dim), dim=1)
conv_x = self.conv_block(conv_x) + conv_x
trans_x = Rearrange('b c h w -> b h w c')(trans_x)
trans_x = self.trans_block(trans_x)
trans_x = Rearrange('b h w c -> b c h w')(trans_x)
res = self.conv1_2(torch.cat((conv_x, trans_x), dim=1))
x = x + res
return x
class SCUNet(nn.Module):
# def __init__(self, in_nc=3, config=[2, 2, 2, 2, 2, 2, 2], dim=64, drop_path_rate=0.0, input_resolution=256):
def __init__(self, in_nc=3, config=None, dim=64, drop_path_rate=0.0, input_resolution=256):
super(SCUNet, self).__init__()
if config is None:
config = [2, 2, 2, 2, 2, 2, 2]
self.config = config
self.dim = dim
self.head_dim = 32
self.window_size = 8
# drop path rate for each layer
dpr = [x.item() for x in torch.linspace(0, drop_path_rate, sum(config))]
self.m_head = [nn.Conv2d(in_nc, dim, 3, 1, 1, bias=False)]
begin = 0
self.m_down1 = [ConvTransBlock(dim // 2, dim // 2, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution)
for i in range(config[0])] + \
[nn.Conv2d(dim, 2 * dim, 2, 2, 0, bias=False)]
begin += config[0]
self.m_down2 = [ConvTransBlock(dim, dim, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution // 2)
for i in range(config[1])] + \
[nn.Conv2d(2 * dim, 4 * dim, 2, 2, 0, bias=False)]
begin += config[1]
self.m_down3 = [ConvTransBlock(2 * dim, 2 * dim, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution // 4)
for i in range(config[2])] + \
[nn.Conv2d(4 * dim, 8 * dim, 2, 2, 0, bias=False)]
begin += config[2]
self.m_body = [ConvTransBlock(4 * dim, 4 * dim, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution // 8)
for i in range(config[3])]
begin += config[3]
self.m_up3 = [nn.ConvTranspose2d(8 * dim, 4 * dim, 2, 2, 0, bias=False), ] + \
[ConvTransBlock(2 * dim, 2 * dim, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution // 4)
for i in range(config[4])]
begin += config[4]
self.m_up2 = [nn.ConvTranspose2d(4 * dim, 2 * dim, 2, 2, 0, bias=False), ] + \
[ConvTransBlock(dim, dim, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution // 2)
for i in range(config[5])]
begin += config[5]
self.m_up1 = [nn.ConvTranspose2d(2 * dim, dim, 2, 2, 0, bias=False), ] + \
[ConvTransBlock(dim // 2, dim // 2, self.head_dim, self.window_size, dpr[i + begin],
'W' if not i % 2 else 'SW', input_resolution)
for i in range(config[6])]
self.m_tail = [nn.Conv2d(dim, in_nc, 3, 1, 1, bias=False)]
self.m_head = nn.Sequential(*self.m_head)
self.m_down1 = nn.Sequential(*self.m_down1)
self.m_down2 = nn.Sequential(*self.m_down2)
self.m_down3 = nn.Sequential(*self.m_down3)
self.m_body = nn.Sequential(*self.m_body)
self.m_up3 = nn.Sequential(*self.m_up3)
self.m_up2 = nn.Sequential(*self.m_up2)
self.m_up1 = nn.Sequential(*self.m_up1)
self.m_tail = nn.Sequential(*self.m_tail)
# self.apply(self._init_weights)
def forward(self, x0):
h, w = x0.size()[-2:]
paddingBottom = int(np.ceil(h / 64) * 64 - h)
paddingRight = int(np.ceil(w / 64) * 64 - w)
x0 = nn.ReplicationPad2d((0, paddingRight, 0, paddingBottom))(x0)
x1 = self.m_head(x0)
x2 = self.m_down1(x1)
x3 = self.m_down2(x2)
x4 = self.m_down3(x3)
x = self.m_body(x4)
x = self.m_up3(x + x4)
x = self.m_up2(x + x3)
x = self.m_up1(x + x2)
x = self.m_tail(x + x1)
x = x[..., :h, :w]
return x
def _init_weights(self, m):
if isinstance(m, nn.Linear):
trunc_normal_(m.weight, std=.02)
if m.bias is not None:
nn.init.constant_(m.bias, 0)
elif isinstance(m, nn.LayerNorm):
nn.init.constant_(m.bias, 0)
nn.init.constant_(m.weight, 1.0)

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@ -40,6 +40,7 @@ parser.add_argument("--gfpgan-models-path", type=str, help="Path to directory wi
parser.add_argument("--esrgan-models-path", type=str, help="Path to directory with ESRGAN model file(s).", default=os.path.join(model_path, 'ESRGAN'))
parser.add_argument("--bsrgan-models-path", type=str, help="Path to directory with BSRGAN model file(s).", default=os.path.join(model_path, 'BSRGAN'))
parser.add_argument("--realesrgan-models-path", type=str, help="Path to directory with RealESRGAN model file(s).", default=os.path.join(model_path, 'RealESRGAN'))
parser.add_argument("--scunet-models-path", type=str, help="Path to directory with ScuNET model file(s).", default=os.path.join(model_path, 'ScuNET'))
parser.add_argument("--swinir-models-path", type=str, help="Path to directory with SwinIR model file(s).", default=os.path.join(model_path, 'SwinIR'))
parser.add_argument("--ldsr-models-path", type=str, help="Path to directory with LDSR model file(s).", default=os.path.join(model_path, 'LDSR'))
parser.add_argument("--opt-split-attention", action='store_true', help="force-enables cross-attention layer optimization. By default, it's on for torch.cuda and off for other torch devices.")

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@ -1,26 +1,23 @@
import os
import threading
from modules import devices
from modules.paths import script_path
import signal
import threading
import modules.paths
import modules.codeformer_model as codeformer
import modules.esrgan_model as esrgan
import modules.bsrgan_model as bsrgan
import modules.extras
import modules.face_restoration
import modules.gfpgan_model as gfpgan
import modules.ldsr_model as ldsr
import modules.img2img
import modules.lowvram
import modules.realesrgan_model as realesrgan
import modules.paths
import modules.scripts
import modules.sd_hijack
import modules.sd_models
import modules.shared as shared
import modules.swinir_model as swinir
import modules.txt2img
import modules.ui
from modules import devices
from modules import modelloader
from modules.paths import script_path
from modules.shared import cmd_opts