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scale: 4 | |
num_gpu: 1 | |
manual_seed: 0 | |
is_train: True | |
dist: False | |
# ----------------- options for synthesizing training data ----------------- # | |
# USM the ground-truth | |
l1_gt_usm: True | |
percep_gt_usm: True | |
gan_gt_usm: False | |
# the first degradation process | |
resize_prob: [0.2, 0.7, 0.1] # up, down, keep | |
resize_range: [0.15, 1.5] | |
gaussian_noise_prob: 1 | |
noise_range: [1, 30] | |
poisson_scale_range: [0.05, 3] | |
gray_noise_prob: 1 | |
jpeg_range: [30, 95] | |
# the second degradation process | |
second_blur_prob: 1 | |
resize_prob2: [0.3, 0.4, 0.3] # up, down, keep | |
resize_range2: [0.3, 1.2] | |
gaussian_noise_prob2: 1 | |
noise_range2: [1, 25] | |
poisson_scale_range2: [0.05, 2.5] | |
gray_noise_prob2: 1 | |
jpeg_range2: [30, 95] | |
gt_size: 32 | |
queue_size: 1 | |
# network structures | |
network_g: | |
type: RRDBNet | |
num_in_ch: 3 | |
num_out_ch: 3 | |
num_feat: 4 | |
num_block: 1 | |
num_grow_ch: 2 | |
network_d: | |
type: UNetDiscriminatorSN | |
num_in_ch: 3 | |
num_feat: 2 | |
skip_connection: True | |
# path | |
path: | |
pretrain_network_g: ~ | |
param_key_g: params_ema | |
strict_load_g: true | |
resume_state: ~ | |
# training settings | |
train: | |
ema_decay: 0.999 | |
optim_g: | |
type: Adam | |
lr: !!float 1e-4 | |
weight_decay: 0 | |
betas: [0.9, 0.99] | |
optim_d: | |
type: Adam | |
lr: !!float 1e-4 | |
weight_decay: 0 | |
betas: [0.9, 0.99] | |
scheduler: | |
type: MultiStepLR | |
milestones: [400000] | |
gamma: 0.5 | |
total_iter: 400000 | |
warmup_iter: -1 # no warm up | |
# losses | |
pixel_opt: | |
type: L1Loss | |
loss_weight: 1.0 | |
reduction: mean | |
# perceptual loss (content and style losses) | |
perceptual_opt: | |
type: PerceptualLoss | |
layer_weights: | |
# before relu | |
'conv1_2': 0.1 | |
'conv2_2': 0.1 | |
'conv3_4': 1 | |
'conv4_4': 1 | |
'conv5_4': 1 | |
vgg_type: vgg19 | |
use_input_norm: true | |
perceptual_weight: !!float 1.0 | |
style_weight: 0 | |
range_norm: false | |
criterion: l1 | |
# gan loss | |
gan_opt: | |
type: GANLoss | |
gan_type: vanilla | |
real_label_val: 1.0 | |
fake_label_val: 0.0 | |
loss_weight: !!float 1e-1 | |
net_d_iters: 1 | |
net_d_init_iters: 0 | |
# validation settings | |
val: | |
val_freq: !!float 5e3 | |
save_img: False | |