在基于3D建模的热图中使用人体探测器的物理对抗实例
概括
研究人员开发了对抗服装,以逃避热人体探测器. 这种创新的服装使用气凝贴片,在与先进的人工智能模型对抗现实世界的测试中取得了高的成功率.
科学领域:
- 计算机视觉 计算机视觉
- 人工智能的人工智能
- 材料科学 材料科学 材料科学
背景情况:
- 热红外探测对于自动驾驶和医疗AI至关重要.
- 热成像系统的安全性,特别是对抗敌对攻击的安全性,是一个新兴的问题.
- 现有的对抗技术在现实世界,动态场景中往往缺乏有效性.
研究的目的:
- 设计和评估能够在现实条件下逃避热人体探测器的红外对手服装.
- 研究使用3D建模来模拟多角度检测场景.
- 开发一种实用的方法,使用先进的材料制造物理对手服装.
主要方法:
- 利用3D建模模拟多角度热检测环境.
- 使用对抗示例技术优化对抗补丁布局.
- 制造的物理对抗服装,包括设计成在热图像中以黑色方格的形式出现的气凝贴片.
- 开发了一种方法,使用真实的红外照片和纹理图来创建现实的红外3D模型.
主要成果:
- 使用物理对手服装实现了高的攻击成功率:室内80.11%和室外76.85%对抗YOLOv9.
- 随机放置的贴片的成功率明显较低 (26.53%室内,23.03%室外).
- 使用整体攻击方法,展示了对抗服装对未知探测器的良好可转移性.
结论:
- 拟议的红外对抗服装有效地回避了最先进的热人体探测器.
- 3D建模和现实的红外纹理映射增强了对抗性攻击的设计和模拟.
- 使用气凝贴片提供了一种可行的方法,用于创建具有高逃避能力的物理对抗服装.
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