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arXiv 1907.04774cs.CVcs.LGeess.IV
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基于仿射变换的深度学习模型中敌对样本的变形检测

Metamorphic Detection of Adversarial Examples in Deep Learning Models With Affine Transformations

Fraunhofer CESE(弗劳恩霍夫实验软件工程中心)

Rohan Reddy Mekala, Gudjon Einar Magnusson, Adam Porter, Mikael Lindvall, Madeline Diep

摘要:

对抗攻击是小的、精心制作的扰动,肉眼无法察觉;当添加到图像中时,会导致深度学习模型对图像进行错误分类,从而产生潜在的有害结果。随着人工智能模型在消费者安全和安全密集型行业(如自动驾驶汽车、摄像头监控和人脸识别)中的兴起,越来越需要防范对抗攻击。在本文中,我们提出了一种方法,使用变形测试的原则,自动检测这样的对抗攻击。该方法可以检测到图像操作是如此之小,他们是不可能检测到的人类通过视觉检查。通过应用基于距离比保持仿射图像变换的变形关系,比较原始图像和变换后图像的行为,我们表明,我们提出的方法可以确定输入图像是否具有高精度的对抗性。

英文摘要:

Adversarial attacks are small, carefully crafted perturbations, imperceptible to the naked eye; that when added to an image cause deep learning models to misclassify the image with potentially detrimental outcomes. With the rise of artificial intelligence models in consumer safety and security intensive industries such as self-driving cars, camera surveillance and face recognition, there is a growing need for guarding against adversarial attacks. In this paper, we present an approach that uses metamorphic testing principles to automatically detect such adversarial attacks. The approach can detect image manipulations that are so small, that they are impossible to detect by a human through visual inspection. By applying metamorphic relations based on distance ratio preserving affine image transformations which compare the behavior of the original and transformed image; we show that our proposed approach can determine whether or not the input image is adversarial with a high degree of accuracy.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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