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Adversarial attack for object detectors under complex conditions
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AI
DOI：10.1016/j.cose.2023.103460.png)
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Abstract
En 中文
In recent years, deep learning security has become a hot research topic, and attackers often use well-designed adversarial examples as input to trick the deep learning model, especially in object detection. Recently, the adversarial patch has been widely used in the attack of the object detector by adding a continuous region of noise to the image. However, current research on the adversarial patch for object detectors has certain limitations. The adversarial attack performance tends to degrade when certain regions of the adversarial patch are accidentally obscured. So the two-stage method based on Generative Adversarial Network (TS-GAN) is proposed to address this issue. To train the generator, the TS-GAN uses the occlusion rule to simulate various situations where patches are occluded in physical scenes. Then the generator's parameters are fixed, and the optimization method is adopted to select the latent variables to generate the most effective adversarial patches. The results of extensive experiments in the digital world and physical environments show that our method achieves stable attack performance under complex conditions which are different occlusion.
Keywords:
Object detectors
Adversarial patch
Generative adversarial networks
Deep learning
Complex conditions
Journal
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