_base_ = './faster-rcnn_r50_fpn_100e_hsi4x.py'
in_channels =30
model = dict(
    backbone=dict(
        _delete_=True,
        type='PAPNet',
        in_channels=in_channels,
        extra=dict(
            stage1=dict(
                num_modules=1,
                num_branches=1,
                block='BOTTLENECK',
                num_blocks=(4, ),
                num_channels=(64, )),
            stage2=dict(
                num_modules=1,
                num_branches=2,
                block='BASIC',
                num_blocks=(4, 4),
                num_channels=(32, 64)),
            stage3=dict(
                num_modules=4,
                num_branches=3,
                block='BASIC',
                num_blocks=(4, 4, 4),
                num_channels=(32, 64, 128)),
            stage4=dict(
                num_modules=3,
                num_branches=4,
                block='BASIC',
                num_blocks=(4, 4, 4, 4),
                num_channels=(32, 64, 128, 256))),
    ),
    neck=dict(
        _delete_=True,
        type='HRFPN',
        in_channels=[32, 64, 128, 256],
        out_channels=256))