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---
title: "DeepPoly"
created: 2026-07-04
updated: 2026-07-04
type: concept
tags: [verification, certification, convex-relaxation, neural-network]
sources: ["Singh et al., 2019"]
---
# DeepPoly
一种确定性不完整验证器,基于凸松弛对神经网络进行可微的抽象解释,给出 sound 但保守的鲁棒性保证。
## 核心方法
对神经网络逐层传播抽象域abstract domain用线性约束 over-approximate 每一层的输出范围。最终在输出层检查是否存在对抗样本。
## 在鲁棒性认证中的定位
属于**不完整验证**类别保证找到的扰动范围内没有对抗样本sound但可能因过度近似而拒绝实际上安全的输入conservative
## 参考
- [[robustness-certification|鲁棒性认证]]
- [[crown-verifier|CROWN]]
- [[randomized-smoothing|随机平滑]]