2019-08-23 13:42:47 +00:00
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# Not exactly the same as SRGAN in <Photo-Realistic Single Image Super-Resolution Using a Generative Adversarial Network>
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# With 16 Residual blocks w/o BN
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#### general settings
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name: 002_SRGANx4_MSRResNetx4Ini_DIV2K
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use_tb_logger: true
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model: srgan
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distortion: sr
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scale: 4
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gpu_ids: [1]
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#### datasets
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datasets:
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train:
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name: DIV2K
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mode: LQGT
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dataroot_GT: ../datasets/DIV2K/DIV2K800_sub.lmdb
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dataroot_LQ: ../datasets/DIV2K/DIV2K800_sub_bicLRx4.lmdb
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use_shuffle: true
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n_workers: 6 # per GPU
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batch_size: 16
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2020-04-22 06:37:41 +00:00
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target_size: 128
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2019-08-23 13:42:47 +00:00
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use_flip: true
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use_rot: true
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color: RGB
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val:
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name: val_set14
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mode: LQGT
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dataroot_GT: ../datasets/val_set14/Set14
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dataroot_LQ: ../datasets/val_set14/Set14_bicLRx4
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#### network structures
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network_G:
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which_model_G: MSRResNet
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in_nc: 3
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out_nc: 3
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nf: 64
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nb: 16
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upscale: 4
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network_D:
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which_model_D: discriminator_vgg_128
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in_nc: 3
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nf: 64
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#### path
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path:
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pretrain_model_G: ../experiments/pretrained_models/MSRResNetx4.pth
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strict_load: true
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resume_state: ~
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#### training settings: learning rate scheme, loss
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train:
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lr_G: !!float 1e-4
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weight_decay_G: 0
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beta1_G: 0.9
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beta2_G: 0.99
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lr_D: !!float 1e-4
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weight_decay_D: 0
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beta1_D: 0.9
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beta2_D: 0.99
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lr_scheme: MultiStepLR
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niter: 400000
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warmup_iter: -1 # no warm up
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lr_steps: [50000, 100000, 200000, 300000]
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lr_gamma: 0.5
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pixel_criterion: l1
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pixel_weight: !!float 1e-2
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feature_criterion: l1
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feature_weight: 1
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gan_type: gan # gan | ragan
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gan_weight: !!float 5e-3
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D_update_ratio: 1
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D_init_iters: 0
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manual_seed: 10
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val_freq: !!float 5e3
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#### logger
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logger:
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print_freq: 100
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save_checkpoint_freq: !!float 5e3
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