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rvsa-l-upernet-512-mae-mtp-loveda.py
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rvsa-l-upernet-512-mae-mtp-loveda.py
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############################### default runtime #################################
default_scope = 'mmseg'
env_cfg = dict(
cudnn_benchmark=True,
mp_cfg=dict(mp_start_method='fork', opencv_num_threads=0),
dist_cfg=dict(backend='nccl'),
)
vis_backends = [dict(type='LocalVisBackend')]
visualizer = dict(
type='SegLocalVisualizer', vis_backends=vis_backends, name='visualizer')
log_processor = dict(by_epoch=False)
log_level = 'INFO'
load_from = None
resume = False
############################### dataset #################################
dataset_type = 'LoveDADataset'
data_root = '/work/share/achk2o1zg1/diwang22/dataset/loveda_dataset'
crop_size = (512, 512)
train_pipeline = [
dict(type='LoadImageFromFile'),
dict(type='LoadAnnotations', reduce_zero_label=True),
dict(
type='RandomResize',
scale=(512, 512),
ratio_range=(0.5, 2.0),
keep_ratio=True),
dict(type='RandomCrop', crop_size=crop_size, cat_max_ratio=0.75),
dict(type='RandomFlip', prob=0.5),
dict(type='PhotoMetricDistortion'),
dict(type='PackSegInputs')
]
test_pipeline = [
dict(type='LoadImageFromFile'),
dict(type='PackSegInputs')
]
train_dataloader = dict(
batch_size=1,
num_workers=8,
persistent_workers=True,
sampler=dict(type='InfiniteSampler', shuffle=True),
dataset=dict(
type=dataset_type,
data_root=data_root,
data_prefix=dict(
img_path='trainval/images', seg_map_path='trainval/labels'),
pipeline=train_pipeline))
test_dataloader = dict(
batch_size=1,
num_workers=8,
persistent_workers=True,
sampler=dict(type='DefaultSampler', shuffle=False),
dataset=dict(
type=dataset_type,
data_root=data_root,
data_prefix=dict(img_path='test/images', seg_map_path='test/labels'),
pipeline=test_pipeline))
test_evaluator = dict(type='IoUMetric', iou_metrics=['mIoU'], format_only=True)
############################### running schedule #################################
# optimizer
optim_wrapper = dict(
optimizer=dict(
type='AdamW', lr=6e-5, betas=(0.9, 0.999), weight_decay=0.05),
constructor='LayerDecayOptimizerConstructor_ViT',
paramwise_cfg=dict(
num_layers=24,
layer_decay_rate=0.9,
)
)
param_scheduler = [
dict(
type='LinearLR', start_factor=1e-6, by_epoch=False, begin=0, end=1500),
dict(
type='CosineAnnealingLR',
eta_min=0.0,
T_max=78500,
begin=1500,
end=80000,
by_epoch=False,
)
]
# training schedule for 80k
train_cfg = dict(type='IterBasedTrainLoop', max_iters=80000, val_interval=20000)
val_cfg = dict(type='ValLoop')
test_cfg = dict(type='TestLoop')
default_hooks = dict(
timer=dict(type='IterTimerHook'),
logger=dict(type='LoggerHook', interval=50, log_metric_by_epoch=False),
param_scheduler=dict(type='ParamSchedulerHook'),
checkpoint=dict(type='CheckpointHook', by_epoch=False, interval=5000),
sampler_seed=dict(type='DistSamplerSeedHook'),
visualization=dict(type='SegVisualizationHook', draw=True, interval=1))
############################### model #################################
norm_cfg = dict(type='SyncBN', requires_grad=True)
data_preprocessor = dict(
type='SegDataPreProcessor',
size = crop_size,
mean=[123.675, 116.28, 103.53],
std=[58.395, 57.12, 57.375],
bgr_to_rgb=True,
pad_val=0,
seg_pad_val=255)
model = dict(
type='EncoderDecoder',
data_preprocessor=data_preprocessor,
backbone=dict(
type='RVSA_MTP',
img_size=512,
patch_size=16,
drop_path_rate=0.3,
out_indices=[7, 11, 15, 23],
embed_dim=1024,
depth=24,
num_heads=16,
mlp_ratio=4,
qkv_bias=True,
qk_scale=None,
drop_rate=0.,
attn_drop_rate=0.,
use_checkpoint=False,
use_abs_pos_emb=True,
interval=6,
pretrained = '/work/share/achk2o1zg1/diwang22/work_dir/multitask_pretrain/pretrain/avg/with_background/vit_l_rvsa_448_mae_samrs_mtp_three/last_vit_l_rvsa_ss_is_rd_pretrn_model_encoder.pth'
),
decode_head=dict(
type='UPerHead',
in_channels=[1024, 1024, 1024, 1024],
num_classes=7,
ignore_index=255,
in_index=[0, 1, 2, 3],
pool_scales=(1, 2, 3, 6),
channels=512,
dropout_ratio=0.1,
norm_cfg=norm_cfg,
align_corners=False,
loss_decode=dict(
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)
),
train_cfg=dict(),
test_cfg=dict(mode='slide', stride=(384,384), crop_size=(512, 512)))