Compare commits
10 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
2a321918c0 | ||
|
|
c6cb68e700 | ||
|
|
76fcec26e8 | ||
|
|
2a0a56ac26 | ||
|
|
7a6e856b4b | ||
|
|
e8e483fbf8 | ||
|
|
3c4d53377c | ||
|
|
6a2761be99 | ||
|
|
c2e6cfe0b1 | ||
|
|
4af0d7463d |
5
.gitignore
vendored
Normal file
5
.gitignore
vendored
Normal file
@ -0,0 +1,5 @@
|
||||
checkpoints/
|
||||
*.log
|
||||
*.pth
|
||||
*.ckpt
|
||||
__pycache__/
|
||||
@ -1,70 +0,0 @@
|
||||
================ Training Loss (Sun Feb 23 15:46:44 2025) ================
|
||||
================ Training Loss (Sun Feb 23 15:52:29 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:00:07 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:02:40 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:05:19 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:06:44 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:09:38 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:44:56 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:49:46 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:51:03 2025) ================
|
||||
================ Training Loss (Sun Feb 23 16:51:23 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:04:02 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:04:39 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:05:17 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:06:40 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:11:48 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:13:31 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:14:11 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:14:29 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:16:27 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:16:44 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:20:39 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:21:44 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:35:27 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:39:21 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:40:15 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:41:15 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:47:46 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:48:36 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:50:20 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:51:50 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:58:45 2025) ================
|
||||
================ Training Loss (Sun Feb 23 18:59:52 2025) ================
|
||||
================ Training Loss (Sun Feb 23 19:03:05 2025) ================
|
||||
================ Training Loss (Sun Feb 23 19:03:57 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:11:47 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:17:10 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:20:14 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:29:03 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:34:57 2025) ================
|
||||
================ Training Loss (Sun Feb 23 21:35:26 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:28:43 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:29:04 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:29:52 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:30:40 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:33:48 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:39:16 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:39:48 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:41:34 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:42:01 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:44:17 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:45:53 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:46:48 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:47:42 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:49:44 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:50:29 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:51:47 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:55:56 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:56:19 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:57:58 2025) ================
|
||||
================ Training Loss (Sun Feb 23 22:59:09 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:02:36 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:03:56 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:09:21 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:10:05 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:11:43 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:12:41 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:13:05 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:13:59 2025) ================
|
||||
================ Training Loss (Sun Feb 23 23:14:59 2025) ================
|
||||
@ -1,87 +0,0 @@
|
||||
----------------- Options ---------------
|
||||
atten_layers: 5
|
||||
batch_size: 1
|
||||
beta1: 0.5
|
||||
beta2: 0.999
|
||||
checkpoints_dir: ./checkpoints
|
||||
continue_train: False
|
||||
crop_size: 256
|
||||
dataroot: /home/openxs/kunyu/datasets/InfraredCity-Lite/Double/Moitor [default: placeholder]
|
||||
dataset_mode: unaligned_double [default: unaligned]
|
||||
direction: AtoB
|
||||
display_env: ROMA [default: main]
|
||||
display_freq: 50
|
||||
display_id: None
|
||||
display_ncols: 4
|
||||
display_port: 8097
|
||||
display_server: http://localhost
|
||||
display_winsize: 256
|
||||
easy_label: experiment_name
|
||||
epoch: latest
|
||||
epoch_count: 1
|
||||
eta_ratio: 0.1
|
||||
evaluation_freq: 5000
|
||||
flip_equivariance: False
|
||||
gan_mode: lsgan
|
||||
gpu_ids: 0
|
||||
init_gain: 0.02
|
||||
init_type: xavier
|
||||
input_nc: 3
|
||||
isTrain: True [default: None]
|
||||
lambda_D_ViT: 1.0
|
||||
lambda_GAN: 8.0 [default: 1.0]
|
||||
lambda_NCE: 8.0 [default: 1.0]
|
||||
lambda_SB: 0.1
|
||||
lambda_ctn: 1.0
|
||||
lambda_global: 1.0
|
||||
lambda_inc: 1.0
|
||||
lmda_1: 0.1
|
||||
load_size: 286
|
||||
lr: 1e-05 [default: 0.0002]
|
||||
lr_decay_iters: 50
|
||||
lr_policy: linear
|
||||
max_dataset_size: inf
|
||||
model: roma_unsb [default: cut]
|
||||
n_epochs: 100
|
||||
n_epochs_decay: 100
|
||||
n_layers_D: 3
|
||||
n_mlp: 3
|
||||
name: ROMA_UNSB_001 [default: experiment_name]
|
||||
nce_T: 0.07
|
||||
nce_idt: False [default: True]
|
||||
nce_includes_all_negatives_from_minibatch: False
|
||||
nce_layers: 0,4,8,12,16
|
||||
ndf: 64
|
||||
netD: basic_cond
|
||||
netF: mlp_sample
|
||||
netF_nc: 256
|
||||
netG: resnet_9blocks_cond
|
||||
ngf: 64
|
||||
no_antialias: False
|
||||
no_antialias_up: False
|
||||
no_dropout: True
|
||||
no_flip: True [default: False]
|
||||
no_html: False
|
||||
normD: instance
|
||||
normG: instance
|
||||
num_patches: 256
|
||||
num_threads: 4
|
||||
num_timesteps: 10 [default: 5]
|
||||
output_nc: 3
|
||||
phase: train
|
||||
pool_size: 0
|
||||
preprocess: resize_and_crop
|
||||
pretrained_name: None
|
||||
print_freq: 100
|
||||
random_scale_max: 3.0
|
||||
save_by_iter: False
|
||||
save_epoch_freq: 5
|
||||
save_latest_freq: 5000
|
||||
serial_batches: False
|
||||
stylegan2_G_num_downsampling: 1
|
||||
suffix:
|
||||
tau: 0.01
|
||||
update_html_freq: 1000
|
||||
use_idt: False
|
||||
verbose: False
|
||||
----------------- End -------------------
|
||||
@ -13,7 +13,7 @@ import os.path
|
||||
IMG_EXTENSIONS = [
|
||||
'.jpg', '.JPG', '.jpeg', '.JPEG',
|
||||
'.png', '.PNG', '.ppm', '.PPM', '.bmp', '.BMP',
|
||||
'.tif', '.TIF', '.tiff', '.TIFF',
|
||||
'.tif', '.TIF', '.tiff', '.TIFF', '.pth',
|
||||
]
|
||||
|
||||
|
||||
|
||||
86
data/with_logist_dataset.py
Normal file
86
data/with_logist_dataset.py
Normal file
@ -0,0 +1,86 @@
|
||||
import os.path
|
||||
from data.base_dataset import BaseDataset, get_transform
|
||||
from data.image_folder import make_dataset
|
||||
from PIL import Image
|
||||
import random
|
||||
import util.util as util
|
||||
from glob import glob
|
||||
import torch
|
||||
|
||||
class UnalignedDataset(BaseDataset):
|
||||
"""
|
||||
This dataset class can load unaligned/unpaired datasets.
|
||||
|
||||
It requires two directories to host training images from domain A '/path/to/data/trainA'
|
||||
and from domain B '/path/to/data/trainB' respectively.
|
||||
You can train the model with the dataset flag '--dataroot /path/to/data'.
|
||||
Similarly, you need to prepare two directories:
|
||||
'/path/to/data/testA' and '/path/to/data/testB' during test time.
|
||||
"""
|
||||
|
||||
def __init__(self, opt):
|
||||
"""Initialize this dataset class.
|
||||
|
||||
Parameters:
|
||||
opt (Option class) -- stores all the experiment flags; needs to be a subclass of BaseOptions
|
||||
"""
|
||||
BaseDataset.__init__(self, opt)
|
||||
self.dir_A = os.path.join(opt.dataroot, opt.phase + 'A') # create a path '/path/to/data/trainA'
|
||||
self.dir_B = os.path.join(opt.dataroot, opt.phase + 'B') # create a path '/path/to/data/trainB'
|
||||
self.dir_A_logi = '/home/openxs/kunyu/datasets/InfraredCity-Lite/Single/Monitor/trainA_dino'
|
||||
|
||||
if opt.phase == "test" and not os.path.exists(self.dir_A) \
|
||||
and os.path.exists(os.path.join(opt.dataroot, "valA")):
|
||||
self.dir_A = os.path.join(opt.dataroot, "valA")
|
||||
self.dir_B = os.path.join(opt.dataroot, "valB")
|
||||
|
||||
self.A_paths = sorted(make_dataset(self.dir_A, opt.max_dataset_size)) # load images from '/path/to/data/trainA'
|
||||
self.B_paths = sorted(make_dataset(self.dir_B, opt.max_dataset_size)) # load images from '/path/to/data/trainB'
|
||||
self.A_logi_paths = sorted(make_dataset(self.dir_A_logi, opt.max_dataset_size))
|
||||
self.A_size = len(self.A_paths) # get the size of dataset A
|
||||
self.B_size = len(self.B_paths) # get the size of dataset B
|
||||
|
||||
def __getitem__(self, index):
|
||||
"""Return a data point and its metadata information.
|
||||
|
||||
Parameters:
|
||||
index (int) -- a random integer for data indexing
|
||||
|
||||
Returns a dictionary that contains A, B, A_paths and B_paths
|
||||
A (tensor) -- an image in the input domain
|
||||
B (tensor) -- its corresponding image in the target domain
|
||||
A_paths (str) -- image paths
|
||||
B_paths (str) -- image paths
|
||||
"""
|
||||
A_path = self.A_paths[index % self.A_size] # make sure index is within then range
|
||||
A_logi_path = self.A_logi_paths[index % self.A_size]
|
||||
if self.opt.serial_batches: # make sure index is within then range
|
||||
index_B = index % self.B_size
|
||||
else: # randomize the index for domain B to avoid fixed pairs.
|
||||
index_B = random.randint(0, self.B_size - 1)
|
||||
B_path = self.B_paths[index_B]
|
||||
A_img = Image.open(A_path).convert('RGB')
|
||||
B_img = Image.open(B_path).convert('RGB')
|
||||
|
||||
# shape: [1, 150, 256, 256]
|
||||
A_logi = torch.load(A_logi_path, map_location=f'cuda:{self.opt.gpu_id}')
|
||||
|
||||
# Apply image transformation
|
||||
# For FastCUT mode, if in finetuning phase (learning rate is decaying),
|
||||
# do not perform resize-crop data augmentation of CycleGAN.
|
||||
# print('current_epoch', self.current_epoch)
|
||||
is_finetuning = self.opt.isTrain and self.current_epoch > self.opt.n_epochs
|
||||
modified_opt = util.copyconf(self.opt, load_size=self.opt.crop_size if is_finetuning else self.opt.load_size)
|
||||
transform = get_transform(modified_opt)
|
||||
A = transform(A_img)
|
||||
B = transform(B_img)
|
||||
|
||||
return {'A': A, 'B': B, 'A_paths': A_path, 'B_paths': B_path, 'A_logi': A_logi, 'A_logi_paths': A_logi_path}
|
||||
|
||||
def __len__(self):
|
||||
"""Return the total number of images in the dataset.
|
||||
|
||||
As we have two datasets with potentially different number of images,
|
||||
we take a maximum of
|
||||
"""
|
||||
return max(self.A_size, self.B_size)
|
||||
Binary file not shown.
@ -2,6 +2,7 @@ import numpy as np
|
||||
import math
|
||||
import timm
|
||||
import torch
|
||||
import torchvision.models as models
|
||||
import torch.nn as nn
|
||||
import torch.nn.functional as F
|
||||
from torchvision.transforms import GaussianBlur
|
||||
@ -60,97 +61,69 @@ def compute_ctn_loss(G, x, F_content): #公式10
|
||||
loss = F.mse_loss(warped_fake, y_fake_warped)
|
||||
return loss
|
||||
|
||||
|
||||
class ContentAwareOptimization(nn.Module):
|
||||
def __init__(self, lambda_inc=2.0, eta_ratio=0.4):
|
||||
super().__init__()
|
||||
self.lambda_inc = lambda_inc # 权重增强系数
|
||||
self.eta_ratio = eta_ratio # 选择内容区域的比例
|
||||
|
||||
self.lambda_inc = lambda_inc
|
||||
self.eta_ratio = eta_ratio
|
||||
self.gradients_real = []
|
||||
self.gradients_fake = []
|
||||
|
||||
|
||||
def compute_cosine_similarity(self, gradients):
|
||||
"""
|
||||
计算每个patch梯度与平均梯度的余弦相似度
|
||||
Args:
|
||||
gradients: [B, N, D] 判别器输出的每个patch的梯度(N=w*h)
|
||||
Returns:
|
||||
cosine_sim: [B, N] 每个patch的余弦相似度
|
||||
"""
|
||||
mean_grad = torch.mean(gradients, dim=1, keepdim=True) # [B, 1, D]
|
||||
# 计算余弦相似度
|
||||
cosine_sim = F.cosine_similarity(gradients, mean_grad, dim=2) # [B, N]
|
||||
return cosine_sim
|
||||
mean_grad = torch.mean(gradients, dim=1, keepdim=True)
|
||||
return F.cosine_similarity(gradients, mean_grad, dim=2)
|
||||
|
||||
def generate_weight_map(self, gradients_fake):
|
||||
"""
|
||||
生成内容感知权重图
|
||||
Args:
|
||||
gradients_fake: [B, N, D] 生成图像判别器梯度 [2,3,256,256]
|
||||
Returns:
|
||||
weight_fake: [B, N] 生成图像权重图 [2,3,256]
|
||||
"""
|
||||
# 计算生成图像块的余弦相似度
|
||||
cosine_fake = self.compute_cosine_similarity(gradients_fake) # [B, N]
|
||||
def generate_weight_map(self, gradients_real, gradients_fake):
|
||||
# 计算余弦相似度
|
||||
cosine_real = self.compute_cosine_similarity(gradients_real)
|
||||
cosine_fake = self.compute_cosine_similarity(gradients_fake)
|
||||
|
||||
# 选择内容丰富的区域(余弦相似度最低的eta_ratio比例)
|
||||
k = int(self.eta_ratio * cosine_fake.shape[1])
|
||||
|
||||
# 对生成图像生成权重图(同理)
|
||||
_, fake_indices = torch.topk(-cosine_fake, k, dim=1)
|
||||
weight_fake = torch.ones_like(cosine_fake)
|
||||
for b in range(cosine_fake.shape[0]):
|
||||
weight_fake[b, fake_indices[b]] = self.lambda_inc / (1e-6 + torch.abs(cosine_fake[b, fake_indices[b]]))
|
||||
# 生成权重图(优化实现)
|
||||
def _get_weights(cosine):
|
||||
k = int(self.eta_ratio * cosine.shape[1])
|
||||
_, indices = torch.topk(-cosine, k, dim=1)
|
||||
weights = torch.ones_like(cosine)
|
||||
weights.scatter_(1, indices, self.lambda_inc / (1e-6 + torch.abs(cosine.gather(1, indices))))
|
||||
return weights
|
||||
|
||||
return weight_fake
|
||||
weight_real = _get_weights(cosine_real)
|
||||
weight_fake = _get_weights(cosine_fake)
|
||||
return weight_real, weight_fake
|
||||
|
||||
def forward(self, D_real, D_fake, real_scores, fake_scores):
|
||||
"""
|
||||
计算内容感知对抗损失
|
||||
Args:
|
||||
D_real: 判别器对真实图像的特征输出 [B, C, H, W]
|
||||
D_fake: 判别器对生成图像的特征输出 [B, C, H, W]
|
||||
real_scores: 真实图像的判别器预测 [B, N] (N=H*W)
|
||||
fake_scores: 生成图像的判别器预测 [B, N]
|
||||
Returns:
|
||||
loss_co_adv: 内容感知对抗损失
|
||||
"""
|
||||
B, C, H, W = D_real.shape
|
||||
N = H * W
|
||||
|
||||
# 注册钩子获取梯度
|
||||
gradients_real = []
|
||||
gradients_fake = []
|
||||
|
||||
def hook_real(grad):
|
||||
gradients_real.append(grad.detach().view(B, N, -1))
|
||||
|
||||
def hook_fake(grad):
|
||||
gradients_fake.append(grad.detach().view(B, N, -1))
|
||||
|
||||
# 清空梯度缓存
|
||||
self.gradients_real.clear()
|
||||
self.gradients_fake.clear()
|
||||
self.criterionGAN=networks.GANLoss('lsgan').cuda()
|
||||
# 注册钩子捕获梯度
|
||||
hook_real = lambda grad: self.gradients_real.append(grad.detach())
|
||||
hook_fake = lambda grad: self.gradients_fake.append(grad.detach())
|
||||
D_real.register_hook(hook_real)
|
||||
D_fake.register_hook(hook_fake)
|
||||
|
||||
# 计算原始对抗损失以触发梯度计算
|
||||
loss_real = torch.mean(torch.log(real_scores + 1e-8))
|
||||
loss_fake = torch.mean(torch.log(1 - fake_scores + 1e-8))
|
||||
# 添加与 D_real、D_fake 相关的 dummy 项,确保梯度传递
|
||||
loss_dummy = 1e-8 * (D_real.sum() + D_fake.sum())
|
||||
total_loss = loss_real + loss_fake + loss_dummy
|
||||
total_loss.backward(retain_graph=True)
|
||||
|
||||
# 获取梯度数据
|
||||
gradients_real = gradients_real[0] # [B, N, D]
|
||||
gradients_fake = gradients_fake[0] # [B, N, D]
|
||||
# 触发梯度计算(保留计算图)
|
||||
(real_scores.mean() + fake_scores.mean()).backward(retain_graph=True)
|
||||
|
||||
# 获取梯度并调整维度
|
||||
grad_real = self.gradients_real[0].flatten(1) # [B, N, D] → [B, N*D]
|
||||
grad_fake = self.gradients_fake[0].flatten(1)
|
||||
|
||||
# 生成权重图
|
||||
self.weight_real, self.weight_fake = self.generate_weight_map(gradients_real, gradients_fake)
|
||||
weight_real, weight_fake = self.generate_weight_map(
|
||||
grad_real.view(*D_real.shape),
|
||||
grad_fake.view(*D_fake.shape)
|
||||
)
|
||||
|
||||
# 应用权重到对抗损失
|
||||
loss_co_real = torch.mean(self.weight_real * torch.log(real_scores + 1e-8))
|
||||
loss_co_fake = torch.mean(self.weight_fake * torch.log(1 - fake_scores + 1e-8))
|
||||
# 正确应用权重到对数概率(论文公式7)
|
||||
loss_co_real = torch.mean(weight_real * self.criterionGAN(real_scores , True))
|
||||
loss_co_fake = torch.mean(weight_fake * self.criterionGAN(fake_scores , False))
|
||||
|
||||
# 计算并返回最终内容感知对抗损失
|
||||
loss_co_adv = -(loss_co_real + loss_co_fake)
|
||||
# 总损失(注意符号:判别器需最大化该损失)
|
||||
loss_co_adv = (loss_co_real + loss_co_fake)*0.5
|
||||
|
||||
return loss_co_adv
|
||||
return loss_co_adv, weight_real, weight_fake
|
||||
|
||||
class ContentAwareTemporalNorm(nn.Module):
|
||||
def __init__(self, gamma_stride=0.1, kernel_size=21, sigma=5.0):
|
||||
@ -158,6 +131,33 @@ class ContentAwareTemporalNorm(nn.Module):
|
||||
self.gamma_stride = gamma_stride # 控制整体运动幅度
|
||||
self.smoother = GaussianBlur(kernel_size, sigma=sigma) # 高斯平滑层
|
||||
|
||||
def upsample_weight_map(self, weight_patch, target_size=(256, 256)):
|
||||
"""
|
||||
将patch级别的权重图上采样到目标分辨率
|
||||
Args:
|
||||
weight_patch: [B, 1, 24, 24] 来自ViT的patch权重图
|
||||
target_size: 目标分辨率 (H, W)
|
||||
Returns:
|
||||
weight_full: [B, 1, 256, 256] 上采样后的全分辨率权重图
|
||||
"""
|
||||
# 使用双线性插值上采样
|
||||
B = weight_patch.shape[0]
|
||||
weight_patch = weight_patch.view(B, 1, 24, 24)
|
||||
|
||||
weight_full = F.interpolate(
|
||||
weight_patch,
|
||||
size=target_size,
|
||||
mode='bilinear',
|
||||
align_corners=False
|
||||
)
|
||||
|
||||
# 对每个16x16的patch内部保持权重一致(可选)
|
||||
# 通过平均池化再扩展,消除插值引入的渐变
|
||||
weight_full = F.avg_pool2d(weight_full, kernel_size=16, stride=16)
|
||||
weight_full = F.interpolate(weight_full, scale_factor=16, mode='nearest')
|
||||
|
||||
return weight_full
|
||||
|
||||
def forward(self, weight_map):
|
||||
"""
|
||||
生成内容感知光流
|
||||
@ -166,15 +166,16 @@ class ContentAwareTemporalNorm(nn.Module):
|
||||
Returns:
|
||||
F_content: [B, 2, H, W] 生成的光流场(x/y方向位移)
|
||||
"""
|
||||
print(weight_map.shape)
|
||||
B, _, H, W = weight_map.shape
|
||||
# 上采样权重图到全分辨率
|
||||
weight_full = self.upsample_weight_map(weight_map) # [B,1,384,384]
|
||||
|
||||
# 1. 归一化权重图
|
||||
# 保持区域相对强度,同时限制数值范围
|
||||
weight_norm = F.normalize(weight_map, p=1, dim=(2,3)) # L1归一化 [B,1,H,W]
|
||||
weight_norm = F.normalize(weight_full, p=1, dim=(2,3)) # L1归一化 [B,1,H,W]
|
||||
|
||||
# 2. 生成高斯噪声(与光流场同尺寸)
|
||||
z = torch.randn(B, 2, H, W, device=weight_map.device) # [B,2,H,W]
|
||||
# 2. 生成高斯噪声
|
||||
B, _, H, W = weight_norm.shape
|
||||
z = torch.randn(B, 2, H, W, device=weight_norm.device) # [B,2,H,W]
|
||||
|
||||
# 3. 合成基础光流
|
||||
# 将权重图扩展为2通道(x/y方向共享权重)
|
||||
@ -189,7 +190,7 @@ class ContentAwareTemporalNorm(nn.Module):
|
||||
# 限制光流幅值,避免极端位移
|
||||
F_content = torch.tanh(F_smooth) # 缩放到[-1,1]范围
|
||||
|
||||
return F_content
|
||||
return F_content
|
||||
|
||||
class RomaUnsbModel(BaseModel):
|
||||
@staticmethod
|
||||
@ -197,31 +198,24 @@ class RomaUnsbModel(BaseModel):
|
||||
"""配置 CTNx 模型的特定选项"""
|
||||
|
||||
parser.add_argument('--lambda_GAN', type=float, default=1.0, help='weight for GAN loss: GAN(G(X))')
|
||||
parser.add_argument('--lambda_NCE', type=float, default=1.0, help='weight for NCE loss: NCE(G(X), X)')
|
||||
parser.add_argument('--lambda_SB', type=float, default=0.1, help='weight for SB loss')
|
||||
parser.add_argument('--lambda_ctn', type=float, default=1.0, help='weight for content-aware temporal norm')
|
||||
parser.add_argument('--lambda_D_ViT', type=float, default=1.0, help='weight for discriminator')
|
||||
parser.add_argument('--lambda_global', type=float, default=1.0, help='weight for Global Structural Consistency')
|
||||
|
||||
parser.add_argument('--lambda_spatial', type=float, default=1.0, help='weight for Local Structural Consistency')
|
||||
parser.add_argument('--lambda_inc', type=float, default=1.0, help='incremental weight for content-aware optimization')
|
||||
parser.add_argument('--local_nums', type=int, default=64, help='number of local patches')
|
||||
parser.add_argument('--side_length', type=int, default=7)
|
||||
parser.add_argument('--nce_idt', type=util.str2bool, nargs='?', const=True, default=False, help='use NCE loss for identity mapping: NCE(G(Y), Y))')
|
||||
parser.add_argument('--nce_layers', type=str, default='0,4,8,12,16', help='compute NCE loss on which layers')
|
||||
parser.add_argument('--nce_includes_all_negatives_from_minibatch',
|
||||
type=util.str2bool, nargs='?', const=True, default=False,
|
||||
help='(used for single image translation) If True, include the negatives from the other samples of the minibatch when computing the contrastive loss. Please see models/patchnce.py for more details.')
|
||||
|
||||
parser.add_argument('--nce_layers', type=str, default='0,4,8,12,16', help='compute NCE loss on which layers')
|
||||
|
||||
parser.add_argument('--netF', type=str, default='mlp_sample', choices=['sample', 'reshape', 'mlp_sample'], help='how to downsample the feature map')
|
||||
parser.add_argument('--netF_nc', type=int, default=256)
|
||||
parser.add_argument('--nce_T', type=float, default=0.07, help='temperature for NCE loss')
|
||||
|
||||
parser.add_argument('--lmda_1', type=float, default=0.1)
|
||||
parser.add_argument('--num_patches', type=int, default=256, help='number of patches per layer')
|
||||
parser.add_argument('--flip_equivariance',
|
||||
type=util.str2bool, nargs='?', const=True, default=False,
|
||||
help="Enforce flip-equivariance as additional regularization. It's used by FastCUT, but not CUT")
|
||||
|
||||
parser.add_argument('--lambda_inc', type=float, default=1.0, help='incremental weight for content-aware optimization')
|
||||
parser.add_argument('--eta_ratio', type=float, default=0.1, help='ratio of content-rich regions')
|
||||
|
||||
|
||||
parser.add_argument('--eta_ratio', type=float, default=0.4, help='ratio of content-rich regions')
|
||||
parser.add_argument('--gamma_stride', type=float, default=20, help='ratio of stride for computing the similarity matrix')
|
||||
parser.add_argument('--atten_layers', type=str, default='5', help='compute Cross-Similarity on which layers')
|
||||
|
||||
parser.add_argument('--tau', type=float, default=0.01, help='Entropy parameter')
|
||||
@ -229,12 +223,7 @@ class RomaUnsbModel(BaseModel):
|
||||
|
||||
parser.add_argument('--n_mlp', type=int, default=3, help='only used if netD==n_layers')
|
||||
|
||||
parser.set_defaults(pool_size=0) # no image pooling
|
||||
|
||||
opt, _ = parser.parse_known_args()
|
||||
|
||||
# 直接设置为 sb 模式
|
||||
parser.set_defaults(nce_idt=True, lambda_NCE=1.0)
|
||||
|
||||
return parser
|
||||
|
||||
@ -243,11 +232,11 @@ class RomaUnsbModel(BaseModel):
|
||||
BaseModel.__init__(self, opt)
|
||||
|
||||
# 指定需要打印的训练损失
|
||||
self.loss_names = ['G_GAN_1', 'D_real_1', 'D_fake_1', 'G_1', 'NCE_1', 'SB_1',
|
||||
'G_2']
|
||||
self.visual_names = ['real_A', 'real_A_noisy', 'fake_B', 'real_B']
|
||||
self.loss_names = ['G_GAN', 'D_ViT', 'G', 'global', 'spatial','ctn']
|
||||
self.visual_names = ['real_A0', 'fake_B0_1','fake_B0', 'real_B0','real_A1', 'fake_B1_1', 'fake_B1', 'real_B1']
|
||||
self.atten_layers = [int(i) for i in self.opt.atten_layers.split(',')]
|
||||
|
||||
|
||||
if self.opt.phase == 'test':
|
||||
self.visual_names = ['real']
|
||||
for NFE in range(self.opt.num_timesteps):
|
||||
@ -255,24 +244,18 @@ class RomaUnsbModel(BaseModel):
|
||||
self.visual_names.append(fake_name)
|
||||
self.nce_layers = [int(i) for i in self.opt.nce_layers.split(',')]
|
||||
|
||||
if opt.nce_idt and self.isTrain:
|
||||
self.loss_names += ['NCE_Y']
|
||||
self.visual_names += ['idt_B']
|
||||
|
||||
if self.isTrain:
|
||||
self.model_names = ['G', 'D_ViT', 'E']
|
||||
|
||||
self.model_names = ['G', 'D_ViT']
|
||||
|
||||
else:
|
||||
self.model_names = ['G']
|
||||
|
||||
print(f'input_nc = {self.opt.input_nc}')
|
||||
# 创建网络
|
||||
self.netG = networks.define_G(opt.input_nc, opt.output_nc, opt.ngf, opt.netG, opt.normG, not opt.no_dropout, opt.init_type, opt.init_gain, opt.no_antialias, opt.no_antialias_up, self.gpu_ids, opt)
|
||||
|
||||
|
||||
if self.isTrain:
|
||||
self.netE = networks.define_D(opt.output_nc*4, opt.ndf, opt.netD, opt.n_layers_D, opt.normD, opt.init_type, opt.init_gain, opt.no_antialias, self.gpu_ids, opt)
|
||||
|
||||
self.resize = tfs.Resize(size=(384,384), antialias=True)
|
||||
|
||||
@ -284,14 +267,9 @@ class RomaUnsbModel(BaseModel):
|
||||
# 定义损失函数
|
||||
self.criterionL1 = torch.nn.L1Loss().to(self.device)
|
||||
self.criterionGAN = networks.GANLoss(opt.gan_mode).to(self.device)
|
||||
self.criterionNCE = []
|
||||
for nce_layer in self.nce_layers:
|
||||
self.criterionNCE.append(PatchNCELoss(opt).to(self.device))
|
||||
self.criterionIdt = torch.nn.L1Loss().to(self.device)
|
||||
self.optimizer_G = torch.optim.Adam(self.netG.parameters(), lr=opt.lr, betas=(opt.beta1, opt.beta2))
|
||||
self.optimizer_D = torch.optim.Adam(self.netD_ViT.parameters(), lr=opt.lr, betas=(opt.beta1, opt.beta2))
|
||||
self.optimizer_E = torch.optim.Adam(self.netE.parameters(), lr=opt.lr, betas=(opt.beta1, opt.beta2))
|
||||
self.optimizers = [self.optimizer_G, self.optimizer_D, self.optimizer_E]
|
||||
self.optimizers = [self.optimizer_G, self.optimizer_D]
|
||||
|
||||
self.cao = ContentAwareOptimization(opt.lambda_inc, opt.eta_ratio) #损失函数
|
||||
self.ctn = ContentAwareTemporalNorm() #生成的伪光流
|
||||
@ -303,19 +281,6 @@ class RomaUnsbModel(BaseModel):
|
||||
initialized at the first feedforward pass with some input images.
|
||||
Please also see PatchSampleF.create_mlp(), which is called at the first forward() call.
|
||||
"""
|
||||
#bs_per_gpu = data["A"].size(0) // max(len(self.opt.gpu_ids), 1)
|
||||
#self.set_input(data)
|
||||
#self.real_A = self.real_A[:bs_per_gpu]
|
||||
#self.real_B = self.real_B[:bs_per_gpu]
|
||||
#self.forward() # compute fake images: G(A)
|
||||
#if self.opt.isTrain:
|
||||
#
|
||||
# self.compute_G_loss().backward()
|
||||
# self.compute_D_loss().backward()
|
||||
# self.compute_E_loss().backward()
|
||||
# if self.opt.lambda_NCE > 0.0:
|
||||
# self.optimizer_F = torch.optim.Adam(self.netF.parameters(), lr=self.opt.lr, betas=(self.opt.beta1, self.opt.beta2))
|
||||
# self.optimizers.append(self.optimizer_F)
|
||||
pass
|
||||
|
||||
def optimize_parameters(self):
|
||||
@ -323,7 +288,6 @@ class RomaUnsbModel(BaseModel):
|
||||
self.forward()
|
||||
|
||||
self.netG.train()
|
||||
self.netE.train()
|
||||
self.netD_ViT.train()
|
||||
|
||||
# update D
|
||||
@ -333,19 +297,9 @@ class RomaUnsbModel(BaseModel):
|
||||
self.loss_D.backward()
|
||||
self.optimizer_D.step()
|
||||
|
||||
# update E
|
||||
self.set_requires_grad(self.netE, True)
|
||||
self.optimizer_E.zero_grad()
|
||||
self.loss_E = self.compute_E_loss()
|
||||
self.loss_E.backward()
|
||||
self.optimizer_E.step()
|
||||
|
||||
# update G
|
||||
self.set_requires_grad(self.netD_ViT, False)
|
||||
self.set_requires_grad(self.netE, False)
|
||||
|
||||
self.set_requires_grad(self.netD_ViT, False)
|
||||
self.optimizer_G.zero_grad()
|
||||
|
||||
self.loss_G = self.compute_G_loss()
|
||||
self.loss_G.backward()
|
||||
self.optimizer_G.step()
|
||||
@ -365,40 +319,6 @@ class RomaUnsbModel(BaseModel):
|
||||
self.image_paths = input['A_paths' if AtoB else 'B_paths']
|
||||
|
||||
|
||||
def tokens_concat(self, origin_tokens, adjacent_size):
|
||||
adj_size = adjacent_size
|
||||
B, token_num, C = origin_tokens.shape[0], origin_tokens.shape[1], origin_tokens.shape[2]
|
||||
S = int(math.sqrt(token_num))
|
||||
if S * S != token_num:
|
||||
print('Error! Not a square!')
|
||||
token_map = origin_tokens.clone().reshape(B,S,S,C)
|
||||
cut_patch_list = []
|
||||
for i in range(0, S, adj_size):
|
||||
for j in range(0, S, adj_size):
|
||||
i_left = i
|
||||
i_right = i + adj_size + 1 if i + adj_size <= S else S + 1
|
||||
j_left = j
|
||||
j_right = j + adj_size if j + adj_size <= S else S + 1
|
||||
|
||||
cut_patch = token_map[:, i_left:i_right, j_left: j_right, :]
|
||||
cut_patch= cut_patch.reshape(B,-1,C)
|
||||
cut_patch = torch.mean(cut_patch, dim=1, keepdim=True)
|
||||
cut_patch_list.append(cut_patch)
|
||||
|
||||
|
||||
result = torch.cat(cut_patch_list,dim=1)
|
||||
return result
|
||||
|
||||
def cat_results(self, origin_tokens, adj_size_list):
|
||||
res_list = [origin_tokens]
|
||||
for ad_s in adj_size_list:
|
||||
cat_result = self.tokens_concat(origin_tokens, ad_s)
|
||||
res_list.append(cat_result)
|
||||
|
||||
result = torch.cat(res_list, dim=1)
|
||||
|
||||
return result
|
||||
|
||||
def forward(self):
|
||||
"""Run forward pass; called by both functions <optimize_parameters> and <test>."""
|
||||
|
||||
@ -415,7 +335,9 @@ class RomaUnsbModel(BaseModel):
|
||||
bs = self.real_A0.size(0)
|
||||
time_idx = (torch.randint(T, size=[1]).cuda() * torch.ones(size=[1]).cuda()).long()
|
||||
self.time_idx = time_idx
|
||||
|
||||
self.fake_B0_list = []
|
||||
self.fake_B1_list = []
|
||||
|
||||
with torch.no_grad():
|
||||
self.netG.eval()
|
||||
# ============ 第二步:对 real_A / real_A2 进行多步随机生成过程 ============
|
||||
@ -432,38 +354,23 @@ class RomaUnsbModel(BaseModel):
|
||||
(scale * tau).sqrt() * torch.randn_like(Xt).to(self.real_A0.device)
|
||||
time_idx = (t * torch.ones(size=[self.real_A0.shape[0]]).to(self.real_A0.device)).long()
|
||||
z = torch.randn(size=[self.real_A0.shape[0], 4 * self.opt.ngf]).to(self.real_A0.device)
|
||||
self.time = times[time_idx]
|
||||
Xt_1 = self.netG(Xt, self.time, z)
|
||||
time = times[time_idx]
|
||||
Xt_1 = self.netG(Xt.detach(), time, z)
|
||||
|
||||
Xt2 = self.real_A1 if (t == 0) else (1 - inter) * Xt2 + inter * Xt_12.detach() + \
|
||||
(scale * tau).sqrt() * torch.randn_like(Xt2).to(self.real_A1.device)
|
||||
time_idx = (t * torch.ones(size=[self.real_A1.shape[0]]).to(self.real_A1.device)).long()
|
||||
z = torch.randn(size=[self.real_A1.shape[0], 4 * self.opt.ngf]).to(self.real_A1.device)
|
||||
Xt_12 = self.netG(Xt2, self.time, z)
|
||||
|
||||
# 保存去噪后的中间结果 (real_A_noisy 等),供下一步做拼接
|
||||
self.real_A_noisy = Xt.detach()
|
||||
self.real_A_noisy2 = Xt2.detach()
|
||||
|
||||
# ============ 第三步:拼接输入并执行网络推理 =============
|
||||
bs = self.real_A0.size(0)
|
||||
z_in = torch.randn(size=[bs, 4 * self.opt.ngf]).to(self.real_A0.device)
|
||||
z_in2 = torch.randn(size=[bs, 4 * self.opt.ngf]).to(self.real_A1.device)
|
||||
# 将 real_A, real_B 拼接 (如 nce_idt=True),并同样处理 real_A_noisy 与 XtB
|
||||
self.real = self.real_A0
|
||||
self.realt = self.real_A_noisy
|
||||
|
||||
if self.opt.flip_equivariance:
|
||||
self.flipped_for_equivariance = self.opt.isTrain and (np.random.random() < 0.5)
|
||||
if self.flipped_for_equivariance:
|
||||
self.real = torch.flip(self.real, [3])
|
||||
self.realt = torch.flip(self.realt, [3])
|
||||
Xt_12 = self.netG(Xt2.detach(), time, z)
|
||||
self.fake_B0_list.append(Xt_1)
|
||||
self.fake_B1_list.append(Xt_12)
|
||||
|
||||
print(f'fake_B0: {self.real_A0.shape}, fake_B1: {self.real_A1.shape}')
|
||||
self.fake_B0 = self.netG(self.real_A0, self.time, z_in)
|
||||
self.fake_B1 = self.netG(self.real_A1, self.time, z_in2)
|
||||
print(f'fake_B0: {self.fake_B0.shape}, fake_B1: {self.fake_B1.shape}')
|
||||
|
||||
self.fake_B0_1 = self.fake_B0_list[0]
|
||||
self.fake_B1_1 = self.fake_B0_list[0]
|
||||
self.fake_B0 = self.fake_B0_list[-1]
|
||||
self.fake_B1 = self.fake_B1_list[-1]
|
||||
self.z_in = z
|
||||
self.z_in2 = z
|
||||
if self.opt.phase == 'train':
|
||||
real_A0 = self.real_A0
|
||||
real_A1 = self.real_A1
|
||||
@ -471,6 +378,16 @@ class RomaUnsbModel(BaseModel):
|
||||
real_B1 = self.real_B1
|
||||
fake_B0 = self.fake_B0
|
||||
fake_B1 = self.fake_B1
|
||||
self.mutil_fake_B0_tokens_list = []
|
||||
self.mutil_fake_B1_tokens_list = []
|
||||
for fake_B0_t in self.fake_B0_list:
|
||||
fake_B0_t_resize = self.resize(fake_B0_t) # 调整到 ViT 输入尺寸
|
||||
tokens = self.netPreViT(fake_B0_t_resize, self.atten_layers, get_tokens=True)
|
||||
self.mutil_fake_B0_tokens_list.append(tokens)
|
||||
for fake_B1_t in self.fake_B1_list:
|
||||
fake_B1_t_resize = self.resize(fake_B1_t)
|
||||
tokens = self.netPreViT(fake_B1_t_resize, self.atten_layers, get_tokens=True)
|
||||
self.mutil_fake_B1_tokens_list.append(tokens)
|
||||
|
||||
self.real_A0_resize = self.resize(real_A0)
|
||||
self.real_A1_resize = self.resize(real_A1)
|
||||
@ -478,116 +395,110 @@ class RomaUnsbModel(BaseModel):
|
||||
real_B1 = self.resize(real_B1)
|
||||
self.fake_B0_resize = self.resize(fake_B0)
|
||||
self.fake_B1_resize = self.resize(fake_B1)
|
||||
|
||||
|
||||
self.mutil_real_A0_tokens = self.netPreViT(self.real_A0_resize, self.atten_layers, get_tokens=True)
|
||||
self.mutil_real_A1_tokens = self.netPreViT(self.real_A1_resize, self.atten_layers, get_tokens=True)
|
||||
self.mutil_real_B0_tokens = self.netPreViT(real_B0, self.atten_layers, get_tokens=True)
|
||||
self.mutil_real_B1_tokens = self.netPreViT(real_B1, self.atten_layers, get_tokens=True)
|
||||
self.mutil_fake_B0_tokens = self.netPreViT(self.fake_B0_resize, self.atten_layers, get_tokens=True)
|
||||
self.mutil_fake_B1_tokens = self.netPreViT(self.fake_B1_resize, self.atten_layers, get_tokens=True)
|
||||
# [[1,576,768],[1,576,768],[1,576,768]]
|
||||
# [3,576,768]
|
||||
|
||||
## 生成图像的梯度
|
||||
#fake_gradient = torch.autograd.grad(self.mutil_fake_B0_tokens.sum(), self.mutil_fake_B0_tokens, create_graph=True)[0]
|
||||
#
|
||||
## 梯度图
|
||||
#self.weight_fake = self.cao.generate_weight_map(fake_gradient)
|
||||
#
|
||||
## 生成图像的CTN光流图
|
||||
#self.f_content = self.ctn(self.weight_fake)
|
||||
#
|
||||
## 变换后的图片
|
||||
#self.warped_real_A_noisy2 = warp(self.real_A_noisy, self.f_content)
|
||||
#self.warped_fake_B0 = warp(self.fake_B0,self.f_content)
|
||||
#
|
||||
## 经过第二次生成器
|
||||
#self.warped_fake_B0_2 = self.netG(self.warped_real_A_noisy2, self.time, z_in)
|
||||
|
||||
#warped_fake_B0_2=self.warped_fake_B0_2
|
||||
#warped_fake_B0=self.warped_fake_B0
|
||||
#self.warped_fake_B0_2_resize = self.resize(warped_fake_B0_2)
|
||||
#self.warped_fake_B0_resize = self.resize(warped_fake_B0)
|
||||
#self.mutil_warped_fake_B0_tokens = self.netPreViT(self.warped_fake_B0_resize, self.atten_layers, get_tokens=True)
|
||||
#self.mutil_fake_B0_2_tokens = self.netPreViT(self.warped_fake_B0_2_resize, self.atten_layers, get_tokens=True)
|
||||
|
||||
|
||||
def compute_D_loss(self): #判别器还是没有改
|
||||
"""Calculate GAN loss for the discriminator"""
|
||||
|
||||
def compute_D_loss(self):
|
||||
"""Calculate GAN loss with Content-Aware Optimization"""
|
||||
lambda_D_ViT = self.opt.lambda_D_ViT
|
||||
fake_B0_tokens = self.mutil_fake_B0_tokens[0].detach()
|
||||
fake_B1_tokens = self.mutil_fake_B1_tokens[0].detach()
|
||||
|
||||
|
||||
loss_cao = 0.0
|
||||
real_B0_tokens = self.mutil_real_B0_tokens[0]
|
||||
pred_real0, real_features0 = self.netD_ViT(real_B0_tokens) # scores, features
|
||||
real_B1_tokens = self.mutil_real_B1_tokens[0]
|
||||
pred_real1, real_features1 = self.netD_ViT(real_B1_tokens) # scores, features
|
||||
|
||||
for fake0_token, fake1_token in zip(self.mutil_fake_B0_tokens_list, self.mutil_fake_B1_tokens_list):
|
||||
pre_fake0, fake_features0 = self.netD_ViT(fake0_token[0].detach())
|
||||
pre_fake1, fake_features1 = self.netD_ViT(fake1_token[0].detach())
|
||||
loss_cao0, self.weight_real0, self.weight_fake0 = self.cao(
|
||||
D_real=real_features0,
|
||||
D_fake=fake_features0,
|
||||
real_scores=pred_real0,
|
||||
fake_scores=pre_fake0
|
||||
)
|
||||
loss_cao1, self.weight_real1, self.weight_fake1 = self.cao(
|
||||
D_real=real_features1,
|
||||
D_fake=fake_features1,
|
||||
real_scores=pred_real1,
|
||||
fake_scores=pre_fake1
|
||||
)
|
||||
loss_cao += loss_cao0 + loss_cao1
|
||||
|
||||
|
||||
pre_fake0_ViT = self.netD_ViT(fake_B0_tokens)
|
||||
pre_fake1_ViT = self.netD_ViT(fake_B1_tokens)
|
||||
|
||||
self.loss_D_fake_ViT = (self.criterionGAN(pre_fake0_ViT, False).mean() + self.criterionGAN(pre_fake1_ViT, False).mean()) * 0.5 * lambda_D_ViT
|
||||
|
||||
pred_real0_ViT = self.netD_ViT(real_B0_tokens)
|
||||
pred_real1_ViT = self.netD_ViT(real_B1_tokens)
|
||||
self.loss_D_real_ViT = (self.criterionGAN(pred_real0_ViT, True).mean() + self.criterionGAN(pred_real1_ViT, True).mean()) * 0.5 * lambda_D_ViT
|
||||
|
||||
self.loss_D_ViT = (self.loss_D_fake_ViT + self.loss_D_real_ViT) * 0.5
|
||||
|
||||
|
||||
# ===== 综合损失 =====
|
||||
total_steps = len(self.fake_B0_list)
|
||||
self.loss_D_ViT = loss_cao * 0.5 * lambda_D_ViT/ total_steps
|
||||
|
||||
|
||||
# 记录损失值供可视化
|
||||
# self.loss_D_real = loss_D_real.item()
|
||||
# self.loss_D_fake = loss_D_fake.item()
|
||||
# self.loss_cao = (loss_cao0 + loss_cao1).item() * 0.5
|
||||
|
||||
return self.loss_D_ViT
|
||||
|
||||
def compute_E_loss(self):
|
||||
"""计算判别器 E 的损失"""
|
||||
|
||||
print(f'resl_A_noisy: {self.real_A_noisy.shape} \n fake_B0: {self.fake_B0.shape}')
|
||||
XtXt_1 = torch.cat([self.real_A_noisy, self.fake_B0.detach()], dim=1)
|
||||
XtXt_2 = torch.cat([self.real_A_noisy2, self.fake_B1.detach()], dim=1)
|
||||
temp = torch.logsumexp(self.netE(XtXt_1, self.time, XtXt_2).reshape(-1), dim=0).mean()
|
||||
self.loss_E = -self.netE(XtXt_1, self.time, XtXt_1).mean() + temp + temp**2
|
||||
|
||||
return self.loss_E
|
||||
|
||||
def compute_G_loss(self):
|
||||
"""计算生成器的 GAN 损失"""
|
||||
|
||||
if self.opt.lambda_ctn > 0.0:
|
||||
# 生成图像的CTN光流图
|
||||
self.f_content0 = self.ctn(self.weight_fake0)
|
||||
self.f_content1 = self.ctn(self.weight_fake1)
|
||||
|
||||
# 变换后的图片
|
||||
self.warped_real_A0 = warp(self.real_A0, self.f_content0)
|
||||
self.warped_real_A1 = warp(self.real_A1, self.f_content1)
|
||||
self.warped_fake_B0 = warp(self.fake_B0,self.f_content0)
|
||||
self.warped_fake_B1 = warp(self.fake_B1,self.f_content1)
|
||||
|
||||
# 经过第二次生成器
|
||||
self.warped_fake_B0_2 = self.netG(self.warped_real_A0, self.times[torch.zeros(size=[1]).cuda().long()], self.z_in)
|
||||
self.warped_fake_B1_2 = self.netG(self.warped_real_A1, self.times[torch.zeros(size=[1]).cuda().long()], self.z_in2)
|
||||
|
||||
warped_fake_B0_2=self.warped_fake_B0_2
|
||||
warped_fake_B1_2=self.warped_fake_B1_2
|
||||
warped_fake_B0=self.warped_fake_B0
|
||||
warped_fake_B1=self.warped_fake_B1
|
||||
# 计算L2损失
|
||||
self.loss_ctn0 = F.mse_loss(warped_fake_B0_2, warped_fake_B0)
|
||||
self.loss_ctn1 = F.mse_loss(warped_fake_B1_2, warped_fake_B1)
|
||||
self.loss_ctn = (self.loss_ctn0 + self.loss_ctn1)*0.5
|
||||
|
||||
if self.opt.lambda_GAN > 0.0:
|
||||
pred_fake = self.netD_ViT(self.mutil_fake_B0_tokens[0])
|
||||
self.loss_G_GAN = self.criterionGAN(pred_fake, True).mean() * self.opt.lambda_GAN
|
||||
|
||||
pred_fake0,_ = self.netD_ViT(self.mutil_fake_B0_tokens_list[-1][0])
|
||||
pred_fake1,_ = self.netD_ViT(self.mutil_fake_B1_tokens_list[-1][0])
|
||||
self.loss_G_GAN0 = self.criterionGAN(pred_fake0, True).mean()
|
||||
self.loss_G_GAN1 = self.criterionGAN(pred_fake1, True).mean()
|
||||
self.loss_G_GAN = (self.loss_G_GAN0 + self.loss_G_GAN1)*0.5
|
||||
else:
|
||||
self.loss_G_GAN = 0.0
|
||||
self.loss_SB = 0
|
||||
if self.opt.lambda_SB > 0.0:
|
||||
XtXt_1 = torch.cat([self.real_A_noisy, self.fake_B0], dim=1)
|
||||
XtXt_2 = torch.cat([self.real_A_noisy2, self.fake_B1], dim=1)
|
||||
|
||||
bs = self.opt.batch_size
|
||||
|
||||
# eq.9
|
||||
ET_XY = self.netE(XtXt_1, self.time, XtXt_1).mean() - torch.logsumexp(self.netE(XtXt_1, self.time, XtXt_2).reshape(-1), dim=0)
|
||||
self.loss_SB = -(self.opt.num_timesteps - self.time[0]) / self.opt.num_timesteps * self.opt.tau * ET_XY
|
||||
self.loss_SB += self.opt.tau * torch.mean((self.real_A_noisy - self.fake_B0) ** 2)
|
||||
|
||||
if self.opt.lambda_global > 0.0:
|
||||
loss_global = self.calculate_similarity(self.real_A0, self.fake_B0) + self.calculate_similarity(self.real_A1, self.fake_B1)
|
||||
loss_global *= 0.5
|
||||
if self.opt.lambda_global or self.opt.lambda_spatial > 0.0:
|
||||
self.loss_global, self.loss_spatial = self.calculate_attention_loss()
|
||||
else:
|
||||
loss_global = 0.0
|
||||
self.loss_global, self.loss_spatial = 0.0, 0.0
|
||||
|
||||
self.l2_loss = 0.0
|
||||
#if self.opt.lambda_ctn > 0.0:
|
||||
# wapped_fake_B = warp(self.fake_B, self.f_content) # use updated self.f_content
|
||||
# self.l2_loss = F.mse_loss(self.fake_B_2, wapped_fake_B) # complete the loss calculation
|
||||
|
||||
self.loss_G = self.loss_G_GAN + self.opt.lambda_SB * self.loss_SB + self.opt.lambda_ctn * self.l2_loss + loss_global * self.opt.lambda_global
|
||||
self.loss_G = self.opt.lambda_GAN * self.loss_G_GAN + \
|
||||
self.opt.lambda_ctn * self.loss_ctn + \
|
||||
self.loss_global * self.opt.lambda_global+\
|
||||
self.loss_spatial * self.opt.lambda_spatial
|
||||
|
||||
return self.loss_G
|
||||
|
||||
|
||||
def calculate_attention_loss(self):
|
||||
n_layers = len(self.atten_layers)
|
||||
mutil_real_A0_tokens = self.mutil_real_A0_tokens
|
||||
mutil_real_A1_tokens = self.mutil_real_A1_tokens
|
||||
mutil_fake_B0_tokens = self.mutil_fake_B0_tokens
|
||||
mutil_fake_B1_tokens = self.mutil_fake_B1_tokens
|
||||
mutil_fake_B0_tokens = self.mutil_fake_B0_tokens_list[-1]
|
||||
mutil_fake_B1_tokens = self.mutil_fake_B1_tokens_list[-1]
|
||||
|
||||
|
||||
if self.opt.lambda_global > 0.0:
|
||||
@ -604,20 +515,19 @@ class RomaUnsbModel(BaseModel):
|
||||
local_id = np.random.permutation(tokens_cnt)
|
||||
local_id = local_id[:int(min(local_nums, tokens_cnt))]
|
||||
|
||||
mutil_real_A0_local_tokens = self.netPreViT(self.resize(self.real_A0), self.atten_layers, get_tokens=True, local_id=local_id, side_length=self.opt.side_length)
|
||||
mutil_real_A1_local_tokens = self.netPreViT(self.resize(self.real_A1), self.atten_layers, get_tokens=True, local_id=local_id, side_length=self.opt.side_length)
|
||||
mutil_real_A0_local_tokens = self.netPreViT(self.real_A0_resize, self.atten_layers, get_tokens=True, local_id=local_id, side_length = self.opt.side_length)
|
||||
mutil_real_A1_local_tokens = self.netPreViT(self.real_A1_resize, self.atten_layers, get_tokens=True, local_id=local_id, side_length = self.opt.side_length)
|
||||
|
||||
mutil_fake_B0_local_tokens = self.netPreViT(self.resize(self.fake_B0), self.atten_layers, get_tokens=True, local_id=local_id, side_length=self.opt.side_length)
|
||||
mutil_fake_B1_local_tokens = self.netPreViT(self.resize(self.fake_B1), self.atten_layers, get_tokens=True, local_id=local_id, side_length=self.opt.side_length)
|
||||
mutil_fake_B0_local_tokens = self.netPreViT(self.fake_B0_resize, self.atten_layers, get_tokens=True, local_id=local_id, side_length = self.opt.side_length)
|
||||
mutil_fake_B1_local_tokens = self.netPreViT(self.fake_B1_resize, self.atten_layers, get_tokens=True, local_id=local_id, side_length = self.opt.side_length)
|
||||
|
||||
loss_spatial = self.calculate_similarity(mutil_real_A0_local_tokens, mutil_fake_B0_local_tokens) + self.calculate_similarity(mutil_real_A1_local_tokens, mutil_fake_B1_local_tokens)
|
||||
loss_spatial *= 0.5
|
||||
|
||||
else:
|
||||
loss_spatial = 0.0
|
||||
return loss_global , loss_spatial
|
||||
|
||||
return loss_global * self.opt.lambda_global, loss_spatial * self.opt.lambda_spatial
|
||||
|
||||
def calculate_similarity(self, mutil_src_tokens, mutil_tgt_tokens):
|
||||
loss = 0.0
|
||||
n_layers = len(self.atten_layers)
|
||||
@ -631,5 +541,3 @@ class RomaUnsbModel(BaseModel):
|
||||
loss = loss / n_layers
|
||||
return loss
|
||||
|
||||
|
||||
|
||||
Binary file not shown.
@ -31,7 +31,7 @@ class TrainOptions(BaseOptions):
|
||||
parser.add_argument('--epoch_count', type=int, default=1, help='the starting epoch count, we save the model by <epoch_count>, <epoch_count>+<save_latest_freq>, ...')
|
||||
parser.add_argument('--phase', type=str, default='train', help='train, val, test, etc')
|
||||
parser.add_argument('--pretrained_name', type=str, default=None, help='resume training from another checkpoint')
|
||||
|
||||
|
||||
# training parameters
|
||||
parser.add_argument('--n_epochs', type=int, default=100, help='number of epochs with the initial learning rate')
|
||||
parser.add_argument('--n_epochs_decay', type=int, default=100, help='number of epochs to linearly decay learning rate to zero')
|
||||
|
||||
@ -7,27 +7,29 @@
|
||||
|
||||
python train.py \
|
||||
--dataroot /home/openxs/kunyu/datasets/InfraredCity-Lite/Double/Moitor \
|
||||
--name ROMA_UNSB_001 \
|
||||
--name UNIV_5 \
|
||||
--dataset_mode unaligned_double \
|
||||
--no_flip \
|
||||
--display_env ROMA \
|
||||
--display_env UNIV \
|
||||
--model roma_unsb \
|
||||
--lambda_GAN 8.0 \
|
||||
--lambda_NCE 8.0 \
|
||||
--lambda_SB 0.1 \
|
||||
--lambda_ctn 1.0 \
|
||||
--lambda_SB 1.0 \
|
||||
--lambda_ctn 10 \
|
||||
--lambda_inc 1.0 \
|
||||
--lr 0.00001 \
|
||||
--gpu_id 0 \
|
||||
--lambda_global 6.0 \
|
||||
--gamma_stride 20 \
|
||||
--lr 0.000002 \
|
||||
--gpu_id 1 \
|
||||
--nce_idt False \
|
||||
--nce_layers 0,4,8,12,16 \
|
||||
--netF mlp_sample \
|
||||
--netF_nc 256 \
|
||||
--nce_T 0.07 \
|
||||
--lmda_1 0.1 \
|
||||
--num_patches 256 \
|
||||
--flip_equivariance False \
|
||||
--eta_ratio 0.1 \
|
||||
--eta_ratio 0.4 \
|
||||
--tau 0.01 \
|
||||
--num_timesteps 10 \
|
||||
--input_nc 3
|
||||
--num_timesteps 5 \
|
||||
--input_nc 3 \
|
||||
--n_epochs 400 \
|
||||
--n_epochs_decay 200 \
|
||||
|
||||
# exp1 num_timesteps=4 (已停)
|
||||
# exp2 num_timesteps=5 (已停)
|
||||
# exp3 --num_timesteps 5,--lambda_inc 8 ,--gamma_stride 20,--lambda_global 6.0,--lambda_ctn 10, --lr 0.000002 (已停)
|
||||
# exp4 --num_timesteps 5,--lambda_inc 8 ,--gamma_stride 20,--lambda_global 6.0,--lambda_ctn 10, --lr 0.000002, ET_XY=self.netE(XtXt_1, self.time, XtXt_1).mean() - torch.logsumexp(self.netE(XtXt_1, self.time_idx, XtXt_2).reshape(-1), dim=0) ,并把GAN,CTN loss考虑到了A1和B1 (已停)
|
||||
# exp5 基于 exp4 ,修改了 self.loss_global = self.calculate_similarity(self.mutil_real_A0_tokens, self.mutil_fake_B0_tokens) + self.calculate_similarity(mutil_real_A1_tokens, self.mutil_fake_B1_tokens) ,gpu_id 1 (已停)
|
||||
# 上面几个实验效果都不好,实验结果都已经删除了,开的新的train_sbiv 对代码进行了调整,效果变得更好了。
|
||||
32
scripts/train_sbiv.sh
Executable file
32
scripts/train_sbiv.sh
Executable file
@ -0,0 +1,32 @@
|
||||
#!/bin/sh
|
||||
# Train for video mode
|
||||
#CUDA_VISIBLE_DEVICES=0 python train.py --dataroot /path --name ROMA_name --dataset_mode unaligned_double --no_flip --local_nums 64 --display_env ROMA_env --model roma --side_length 7 --lambda_spatial 5.0 --lambda_global 5.0 --lambda_motion 1.0 --atten_layers 1,3,5 --lr 0.00001
|
||||
|
||||
# Train for image mode
|
||||
#CUDA_VISIBLE_DEVICES=0 python train.py --dataroot /path --name ROMA_name --dataset_mode unaligned --local_nums 64 --display_env ROMA_env --model roma --side_length 7 --lambda_spatial 5.0 --lambda_global 5.0 --atten_layers 1,3,5 --lr 0.00001
|
||||
|
||||
python train.py \
|
||||
--dataroot /home/openxs/kunyu/datasets/InfraredCity-Lite/Double/Moitor \
|
||||
--name SBIV_1 \
|
||||
--dataset_mode unaligned_double \
|
||||
--display_env SBIV2 \
|
||||
--model roma_unsb \
|
||||
--lambda_ctn 10 \
|
||||
--lambda_inc 1.0 \
|
||||
--lambda_global 8.0 \
|
||||
--lambda_spatial 8.0 \
|
||||
--gamma_stride 20 \
|
||||
--lr 0.000001 \
|
||||
--gpu_id 0 \
|
||||
--eta_ratio 0.3 \
|
||||
--tau 0.01 \
|
||||
--num_timesteps 3 \
|
||||
--input_nc 3 \
|
||||
--n_epochs 400 \
|
||||
--n_epochs_decay 200 \
|
||||
|
||||
# exp6 num_timesteps=4 ,gpu_id 0(基于 exp5 ,exp1 已停) (已停)
|
||||
# exp7 num_timesteps=3 ,gpu_id 0 基于 exp6 (已停)
|
||||
# # exp8 num_timesteps=4 ,gpu_id 1 ,修改了训练判别器的loss,以及ctnloss(基于,exp6)
|
||||
# # exp9 num_timesteps=3 ,gpu_id 2 ,(基于 exp8)
|
||||
# # # exp10 num_timesteps=4 ,gpu_id 0 , --name SBIV_1 ,让判别器看到了每一个时间步的输出,修改了训练判别器的loss,以及ctnloss(基于,exp9)
|
||||
1
train.py
1
train.py
@ -44,6 +44,7 @@ if __name__ == '__main__':
|
||||
model.setup(opt) # regular setup: load and print networks; create schedulers
|
||||
model.parallelize()
|
||||
model.set_input(data) # unpack data from dataset and apply preprocessing
|
||||
#print('Call opt paras')
|
||||
model.optimize_parameters() # calculate loss functions, get gradients, update network weights
|
||||
if len(opt.gpu_ids) > 0:
|
||||
torch.cuda.synchronize()
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user