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- batch_size: 8
- iters: 80000
- model:
- type: SeaFormerSeg
- backbone:
- type: SeaFormer_large
- pretrained: https://bj.bcebos.com/paddleseg/dygraph/ade20k/backbone/seaformer_large_imagenet_pretrained.pdparams
- num_classes: 150
- head_channels: 192
- embed_dims: [128, 160, 192]
- in_index: [0, 1, 2, 3]
- train_dataset:
- type: Dataset
- dataset_root: data/Cityscapes/
- train_path: datasets/Cityscapes/train.txt
- num_classes: 19
- transforms:
- - type: ResizeStepScaling
- min_scale_factor: 0.5
- max_scale_factor: 2.0
- scale_step_size: 0.25
- - type: RandomPaddingCrop
- crop_size: [512, 512]
- - type: RandomHorizontalFlip
- - type: RandomDistort
- brightness_range: 0.4
- contrast_range: 0.4
- saturation_range: 0.4
- - type: Normalize
- mode: train
- val_dataset:
- type: Dataset
- dataset_root: datasets/Cityscapes
- val_path: datasets/Cityscapes/val.txt
- num_classes: 19
- transforms:
- - type: Normalize
- mode: val
- optimizer:
- type: AdamW
- beta1: 0.9
- beta2: 0.999
- weight_decay: 0.01
- custom_cfg:
- - name: pos_emb
- weight_decay_mult: 0.0
- - name: head
- lr_mult: 10.0
- - name: norm
- weight_decay_mult: 0.0
- lr_scheduler:
- type: PolynomialDecay
- learning_rate: 0.00025
- power: 1.0
- warmup_iters: 1500
- warmup_start_lr: 1.0e-6
- end_lr: 0
- loss:
- types:
- - type: CrossEntropyLoss
- coef: [1]
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