INNER CODE UNIT · Python

__init__

nv-tlabs/GSCNN · loss.py:42

    def __init__(self, classes, weight=None, reduction='mean', ignore_index=255,
                 norm=False, upper_bound=1.0, mode='train', 
                 edge_weight=1, seg_weight=1, att_weight=1, dual_weight=1, edge='none'):
        super(JointEdgeSegLoss, self).__init__()
        self.num_classes = classes
        if mode == 'train':
            self.seg_loss = ImageBasedCrossEntropyLoss2d(
                    classes=classes, ignore_index=ignore_index, upper_bound=upper_bound).cuda()
        elif mode == 'val':
            self.seg_loss = CrossEntropyLoss2d(size_average=True,
                                               ignore_index=ignore_index).cuda()

        self.edge_weight = edge_weight
        self.seg_weight = seg_weight
        self.att_weight = att_weight
        self.dual_weight = dual_weight

        self.dual_task = DualTaskLoss()

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