DOEPatch: Dynamically Optimized Ensemble Model for Adversarial Patches Generation

• URL: http://arxiv.org/abs/2312.16907v2
• Date: Sun, 29 Sep 2024 10:48:15 GMT
• Title: DOEPatch: Dynamically Optimized Ensemble Model for Adversarial Patches Generation
• Authors: Wenyi Tan, Yang Li, Chenxing Zhao, Zhunga Liu, Quan Pan,
• Abstract summary: We introduce the concept of energy and treat the adversarial patches generation process as an optimization of the adversarial patches to minimize the total energy of the person'' category. By adopting adversarial training, we construct a dynamically optimized ensemble model. We carried out six sets of comparative experiments and tested our algorithm on five mainstream object detection models.
• Score: 12.995762461474856
• License:
• Abstract: Object detection is a fundamental task in various applications ranging from autonomous driving to intelligent security systems. However, recognition of a person can be hindered when their clothing is decorated with carefully designed graffiti patterns, leading to the failure of object detection. To achieve greater attack potential against unknown black-box models, adversarial patches capable of affecting the outputs of multiple-object detection models are required. While ensemble models have proven effective, current research in the field of object detection typically focuses on the simple fusion of the outputs of all models, with limited attention being given to developing general adversarial patches that can function effectively in the physical world. In this paper, we introduce the concept of energy and treat the adversarial patches generation process as an optimization of the adversarial patches to minimize the total energy of the ``person'' category. Additionally, by adopting adversarial training, we construct a dynamically optimized ensemble model. During training, the weight parameters of the attacked target models are adjusted to find the balance point at which the generated adversarial patches can effectively attack all target models. We carried out six sets of comparative experiments and tested our algorithm on five mainstream object detection models. The adversarial patches generated by our algorithm can reduce the recognition accuracy of YOLOv2 and YOLOv3 to 13.19\% and 29.20\%, respectively. In addition, we conducted experiments to test the effectiveness of T-shirts covered with our adversarial patches in the physical world and could achieve that people are not recognized by the object detection model. Finally, leveraging the Grad-CAM tool, we explored the attack mechanism of adversarial patches from an energetic perspective.

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