摘要：
torch scheduler class LRScheduler(object): r"""Learning Rate Scheduler Parameters mode : str Modes for learning rate scheduler. Currently it supports 阅读全文
摘要：
sigmoid focal loss class SigmoidFocalLoss(nn.Module): def __init__(self, ignore_label, gamma=2.0, alpha=0.25, reduction='mean'): super(SigmoidFocalLos 阅读全文