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突破视觉语言模型对抗攻击困境:多模态特征异质化攻击的创新之路
此外,研究人员还对对抗样本质量感知、计算效率等方面进行了评估,并开展了消融研究。结果表明,MFHA 在图像视觉质量上虽使像素级指标(如 PSNR/SSIM)略有降低,但更注重对高层语义区域的扰动;在文本质量上,保持了较低的编辑距离和较高的语义保留度。计算效率方面,MFHA 相比 SGA 带来了更高的计算开销。消融研究则验证了 TCFH 和 MCVA ...
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