20260706:新增一些文章
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concepts/crown-verifier.md
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title: "CROWN Verifier"
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created: 2026-07-04
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updated: 2026-07-04
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type: concept
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tags: [verification, certification, bounds, neural-network]
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sources: ["Zhang et al., 2018"]
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# CROWN Verifier
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一种通过快速线性边界传播进行神经网络鲁棒性验证的方法,属于不完整确定性验证器。
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## 核心思想
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CROWN(CROWN: Efficient Bound Propagation)对神经网络逐层计算输出的线性上下界,利用向后传播的线性松弛快速给出每个类别的 logit 范围。相比 DeepPoly 更强调计算效率和 tightness 的平衡。
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## 变体
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- $\beta$-CROWN:CROWN + branch-and-bound,升级为完备验证器
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## 参考
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- [[robustness-certification|鲁棒性认证]]
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- [[deep-poly|DeepPoly]]
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- [[randomized-smoothing|随机平滑]]
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