对于代码解读：
\FairMOT-master\src\lib\models\networks\pose_dla_dcn.py
line433
self.base = globals()[base_name](pretrained=pretrained)base_name的值是什么？不断追溯：line426
class DLASeg(nn.Module):def __init__(self, base_name, heads, pretrained, down_ratio, final_kernel,last_level, head_conv, out_channel=0):super(DLASeg, self).__init__()assert down_ratio in [2, 4, 8, 16]self.first_level = int(np.log2(down_ratio))self.last_level = last_levelself.base = globals()[base_name](pretrained=pretrained)channels = self.base.channelsline484
def get_pose_net(num_layers, heads, head_conv=256, down_ratio=4):model = DLASeg('dla{}'.format(num_layers), heads,pretrained=True,down_ratio=down_ratio,final_kernel=1,last_level=5,