NAFNet/options/train/NAFSSR/NAFSSR-L_x2.yml

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# ------------------------------------------------------------------------
# Copyright (c) 2022 megvii-model. All Rights Reserved.
# ------------------------------------------------------------------------
# Modified from BasicSR (https://github.com/xinntao/BasicSR)
# Copyright 2018-2020 BasicSR Authors
# ------------------------------------------------------------------------
# general settings
name: NAFNetSR-L_x2
model_type: ImageRestorationModel
scale: 2
num_gpu: 8
manual_seed: 10
datasets:
train:
name: Flickr1024-sr-train
type: PairedStereoImageDataset
dataroot_gt: datasets/StereoSR/patches_x2/
dataroot_lq: datasets/StereoSR/patches_x2/
io_backend:
type: disk
gt_size_h: 60
gt_size_w: 180
use_hflip: true
use_vflip: true
use_rot: false
flip_RGB: true
# data loader
use_shuffle: true
num_worker_per_gpu: 4
batch_size_per_gpu: 4
dataset_enlarge_ratio: 1
prefetch_mode: ~
val:
name: Flickr1024-sr-test
type: PairedStereoImageDataset
dataroot_gt: datasets/StereoSR/test/Flickr1024/hr
dataroot_lq: datasets/StereoSR/test/Flickr1024/lr_x2
io_backend:
type: disk
# network structures
network_g:
type: NAFSSR
up_scale: 2
width: 128
num_blks: 128
drop_path_rate: 0.3
train_size: [1, 6, 30, 90]
drop_out_rate: 0.
# path
path:
pretrain_network_g: ~
strict_load_g: true
resume_state: ~
# training settings
train:
optim_g:
type: AdamW
lr: !!float 3e-3
weight_decay: !!float 0
betas: [0.9, 0.9]
scheduler:
type: TrueCosineAnnealingLR
T_max: 100000
eta_min: !!float 1e-7
total_iter: 100000
warmup_iter: -1 # no warm up
mixup: false
# losses
pixel_opt:
type: MSELoss
loss_weight: 1.
reduction: mean
# validation settings
val:
val_freq: !!float 2e4
save_img: false
trans_num: 1
max_minibatch: 1
metrics:
psnr: # metric name, can be arbitrary
type: calculate_psnr
crop_border: 0
test_y_channel: false
ssim:
type: calculate_skimage_ssim
# logging settings
logger:
print_freq: 200
save_checkpoint_freq: !!float 1e4
use_tb_logger: true
wandb:
project: ~
resume_id: ~
# dist training settings
dist_params:
backend: nccl
port: 29500