loss

l2

def l2_loss(gt, pred):
    B, C, H, W = gt.size()
    # loss = t.sum(t.abs(gt - pred))
    loss = t.sum((gt - pred) * (gt - pred)) / (B * C * H * W * 10)
    return loss

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转载自blog.csdn.net/a362682954/article/details/83346030