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{
"task": "bsrgan_x4_psnr" // root/task/images|models|options
, "model": "plain" // "plain" | "plain2" if two inputs
, "gpu_ids": [0] // [0,1,2,3] for 4 GPUs
, "dist": true
, "scale": 4 // broadcast to "datasets"
, "n_channels": 3 // broadcast to "datasets", 1 for grayscale, 3 for color
, "path": {
"root": "superresolution" // "denoising" | "superresolution"
, "pretrained_netG": null // path of pretrained model
, "pretrained_netE": null // path of pretrained model
}
, "datasets": {
"train": {
"name": "train_dataset" // fixed
, "dataset_type": "blindsr" // "dncnn" | "dnpatch" | "fdncnn" | "ffdnet" | "sr" | "srmd" | "dpsr" | "plain" | "plainpatch"
, "dataroot_H": "trainsets/trainH"// path of H training dataset
, "dataroot_L": null // path of L training dataset
, "degradation_type": "bsrgan" // "bsrgan" | "bsrgan_plus"
, "H_size": 320 // patch_size 256 | 288 | 320
, "shuffle_prob": 0.1 //
, "lq_patchsize": 72
, "use_sharp": false
, "dataloader_shuffle": true
, "dataloader_num_workers": 8 // 8 | 32 | 64
, "dataloader_batch_size": 4 // batch size for all GPUs, 1 | 16 | 32 | 48 | 64 | 128
}
, "test": {
"name": "test_dataset" // fixed
, "dataset_type": "blindsr"
, "degradation_type": "bsrgan" // "bsrgan" | "bsrgan_plus"
, "H_size": 320 // patch_size 256 | 288 | 320
, "shuffle_prob": 0.1 //
, "lq_patchsize": 72
, "use_sharp": false
, "dataroot_H": "testsets/set5" // path of H testing dataset
, "dataroot_L": null // path of L testing dataset
}
}
, "netG": {
"net_type": "rrdbnet" // "dncnn" | "fdncnn" | "ffdnet" | "srmd" | "dpsr" | "srresnet0" | "srresnet1" | "rrdbnet"
, "in_nc": 3 // input channel number
, "out_nc": 3 // ouput channel number
, "nf": 64 // 96 for DPSR, 128 for SRMD, 64 for "dncnn"
, "nb": 23 // 12 for "srmd", 15 for "ffdnet", 20 for "dncnn", 16 for "srresnet" and "dpsr"
, "gc": 32 //
, "ng": 2 // unused
, "reduction" : 16 // unused
, "act_mode": "L" // "BR" for BN+ReLU | "R" for ReLU
, "bias": true
, "init_type": "orthogonal" // "orthogonal" | "normal" | "uniform" | "xavier_normal" | "xavier_uniform" | "kaiming_normal" | "kaiming_uniform"
, "init_bn_type": "uniform" // "uniform" | "constant"
, "init_gain": 0.2
}
, "train": {
"G_lossfn_type": "l1" // "l1" preferred | "l2sum" | "l2" | "ssim"
, "G_lossfn_weight": 1.0 // default
, "E_decay": 0.999 // Exponential Moving Average for netG: set 0 to disable; default setting 0.999
, "G_optimizer_type": "adam" // fixed, adam is enough
, "G_optimizer_lr": 1e-4 // learning rate
, "G_optimizer_clipgrad": null // unused
, "G_optimizer_reuse": true
, "G_scheduler_type": "MultiStepLR" // "MultiStepLR" is enough
, "G_scheduler_milestones": [200000, 400000, 600000, 800000, 1000000, 2000000]
, "G_scheduler_gamma": 0.5
, "G_regularizer_orthstep": null // unused
, "G_regularizer_clipstep": null //
, "G_param_strict": true
, "E_param_strict": true
, "checkpoint_test": 500000000 // skip testing
, "checkpoint_save": 5000 // for saving model
, "checkpoint_print": 200 // for print
}
}
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