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{
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"task": "drunet" // root/task/images-models-options
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, "model": "plain" // "plain"
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, "gpu_ids": [0]
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, "scale": 0 // broadcast to "netG" if SISR
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, "n_channels": 1 // broadcast to "datasets", 1 for grayscale, 3 for color
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, "n_channels_datasetload": 3 // broadcast to image training set
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, "sigma": [0, 50] // 15, 25, 50 for DnCNN | [0, 75] for FFDNet and FDnCNN
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, "sigma_test": 5 // 15, 25, 50 for DnCNN and ffdnet
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, "path": {
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"root": "denoising" // "denoising" | "superresolution"
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, "pretrained_netG": null // path of pretrained model, if model from scratch type: null
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}
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, "datasets": {
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"train": {
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"name": "train_dataset" // just name
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, "dataset_type": "ffdnet" // "dncnn" | "dnpatch" for dncnn, | "fdncnn" | "ffdnet" | "sr" | "srmd" | "dpsr" | "plain" | "plainpatch"
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, "dataroot_H": "trainsets/web_images_train"// path of H training dataset
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, "num_patches_per_image": 20 // number of random patches of training image
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, "dataroot_L": "trainsets/simulations" // path of L training dataset, if using noisy H type: null
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, "H_size": 128 // patch size 40 | 64 | 96 | 128 | 192
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, "dataloader_shuffle": true
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, "dataloader_num_workers": 8
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, "dataloader_batch_size": 64 // batch size 1 | 16 | 32 | 48 | 64 | 128
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}
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, "test": {
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"name": "test_dataset" // just name
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, "dataset_type": "ffdnet" // "dncnn" | "dnpatch" for dncnn, | "fdncnn" | "ffdnet" | "sr" | "srmd" | "dpsr" | "plain" | "plainpatch"
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, "dataroot_H": "testsets/web_images_test" // path of H testing dataset
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, "dataroot_L": "testsets/simulations" // path of L testing dataset
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}
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}
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, "netG": {
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"net_type": "drunet" // "dncnn" | "fdncnn" | "ffdnet" | "srmd" | "dpsr" | "srresnet0" | "srresnet1" | "rrdbnet"
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, "in_nc": 1 // input channel number
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, "out_nc": 1 // ouput channel number
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, "nc": [64, 128, 256, 512] // 64 for "dncnn"
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, "nb": 4 // 17 for "dncnn", 20 for dncnn3, 16 for "srresnet"
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, "gc": 32 // unused
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, "ng": 2 // unused
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, "reduction": 16 // unused
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, "act_mode": "R" // "BR" for BN+ReLU | "R" for ReLU
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, "upsample_mode": "convtranspose" // "pixelshuffle" | "convtranspose" | "upconv"
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, "downsample_mode": "strideconv" // "strideconv" | "avgpool" | "maxpool"
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, "bias": false//
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, "init_type": "orthogonal" // "orthogonal" | "normal" | "uniform" | "xavier_normal" | "xavier_uniform" | "kaiming_normal" | "kaiming_uniform"
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, "init_bn_type": "uniform" // "uniform" | "constant"
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, "init_gain": 0.2
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}
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, "train": {
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"epochs": 301 // number of epochs to train
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, "G_lossfn_type": "l1" // "l1" preferred | "l2sum" | "l2" | "ssim"
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, "G_lossfn_weight": 1.0 // default
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, "G_tvloss_weight": 0.1 // total variation weight
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, "G_optimizer_type": "adam" // fixed, adam is enough
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, "G_optimizer_lr": 1e-4 // learning rate
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, "G_optimizer_clipgrad": null // unused
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, "G_scheduler_type": "MultiStepLR" // "MultiStepLR" is enough
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, "G_scheduler_milestones": [640, 980, 1600, 1920, 2400, 4800, 6400, 9280]
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, "G_scheduler_gamma": 0.1 //
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, "G_regularizer_orthstep": null // unused
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, "G_regularizer_clipstep": null // unused
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// iteration (batch step) checkpoints
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, "checkpoint_test": 320 // for testing
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, "checkpoint_save": 1600 // for saving model
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, "checkpoint_print": 32 // for print
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}
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}
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