multibox_loss.py 文件源码

def __init__(self,num_classes,overlap_thresh,prior_for_matching,bkg_label,neg_mining,neg_pos,neg_overlap,encode_target):
        super(MultiBoxLoss, self).__init__()
        self.num_classes = num_classes
        self.threshold = overlap_thresh
        self.background_label = bkg_label
        self.encode_target = encode_target
        self.use_prior_for_matching  = prior_for_matching
        self.do_neg_mining = neg_mining
        self.negpos_ratio = neg_pos
        self.neg_overlap = neg_overlap
        self.variance = cfg['variance']