Method __init__

(self,
                 in_channels,
                 out_channels,
                 num_outs,
                 stack_times,
                 paths,
                 inter_channels=None,
                 same_down_trans=None,
                 same_up_trans=dict(
                     type='conv', kernel_size=3, stride=2, padding=1),
                 across_lateral_trans=dict(type='conv', kernel_size=1),
                 across_down_trans=dict(type='conv', kernel_size=3),
                 across_up_trans=None,
                 across_skip_trans=dict(type='identity'),
                 output_trans=dict(type='last_conv', kernel_size=3),
                 start_level=0,
                 end_level=-1,
                 add_extra_convs=False,
                 norm_cfg=None,
                 skip_inds=None,
                 init_cfg=[
                     dict(type='Caffe2Xavier', layer='Conv2d'),
                     dict(
                         type='Constant',
                         layer=[
                             '_BatchNorm', '_InstanceNorm', 'GroupNorm',
                             'LayerNorm'
                         ],
                         val=1.0)
                 ])