name: HAT_SRx4_ImageNet-pretrain
model_type: HATModel
scale: 4
num_gpu: 1  # set num_gpu: 0 for cpu mode
manual_seed: 0

tile: # use the tile mode for limited GPU memory when testing.
  tile_size: 256 # the higher, the more utilized GPU memory and the less performance change against the full image. must be an integer multiple of the window size.
  tile_pad: 32 # overlapping between adjacency patches.must be an integer multiple of the window size.

datasets:
  test_1:  # the 1st test dataset
    name: Set5
    type: PairedImageDataset
    dataroot_gt: ./datasets/Set5/GTmod4
    dataroot_lq: ./datasets/Set5/LRbicx4
    io_backend:
      type: disk

  # test_2:  # the 2nd test dataset
  #   name: Set14
  #   type: PairedImageDataset
  #   dataroot_gt: ./datasets/Set14/GTmod4
  #   dataroot_lq: ./datasets/Set14/LRbicx4
  #   io_backend:
  #     type: disk

  test_3:
    name: Urban100
    type: PairedImageDataset
    dataroot_gt: ./datasets/urban100/GTmod4
    dataroot_lq: ./datasets/urban100/LRbicx4
    io_backend:
      type: disk

  # test_4:
  #    name: BSDS100
  #    type: PairedImageDataset
  #    dataroot_gt: ./datasets/BSDS100/GTmod4
  #    dataroot_lq: ./datasets/BSDS100/LRbicx4
  #    io_backend:
  #      type: disk

  # test_5:
  #     name: Manga109
  #     type: PairedImageDataset
  #     dataroot_gt: ./datasets/manga109/GTmod4
  #     dataroot_lq: ./datasets/manga109/LRbicx4
  #     io_backend:
  #       type: disk

# network structures
network_g:
  type: HAT
  upscale: 4
  in_chans: 3
  img_size: 64
  window_size: 16
  compress_ratio: 3
  squeeze_factor: 30
  conv_scale: 0.01
  overlap_ratio: 0.5
  img_range: 1.
  depths: [6, 6, 6, 6, 6, 6]
  embed_dim: 180
  num_heads: [6, 6, 6, 6, 6, 6]
  mlp_ratio: 2
  upsampler: 'pixelshuffle'
  resi_connection: '1conv'


# path
path:
  pretrain_network_g: ./experiments/pretrained_models/HAT_SRx4_ImageNet-pretrain.pth
  strict_load_g: true
  param_key_g: 'params_ema'

# validation settings
val:
  save_img: true
  suffix: ~  # add suffix to saved images, if None, use exp name

  metrics:
    psnr: # metric name, can be arbitrary
      type: calculate_psnr
      crop_border: 4
      test_y_channel: true
    ssim:
      type: calculate_ssim
      crop_border: 4
      test_y_channel: true