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结合局部空间变换和多尺度频率变换的动态梯度融合方法,用于实现 ...
本文提出动态梯度融合双域变换方法(DGSF),通过局部空间域变换和多层次频率域变换,结合基于损失差异的动态权重融合机制,有效提升对抗样本的迁移能力。实验表明该方法在黑盒攻击中显著优于现有方法,尤其在对抗训练模型和先进防御模型上表现突出。
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