mmsegmentation/configs/deeplabv3plus/deeplabv3plus_r50-d8_480x480_40k_pascal_context.py

_base_ = [
    '../_base_/models/deeplabv3plus_r50-d8.py',
    '../_base_/datasets/pascal_context.py', '../_base_/default_runtime.py',
    '../_base_/schedules/schedule_40k.py'
]
model = dict(
    decode_head=dict(num_classes=60),
    auxiliary_head=dict(num_classes=60),
    test_cfg=dict(mode='slide', crop_size=(480, 480), stride=(320, 320)))
optimizer = dict(type='SGD', lr=0.004, momentum=0.9, weight_decay=0.0001)