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相关概念视频

Visual Agnosia01:12

Visual Agnosia

188
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
188

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Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
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物理对抗性攻击与计算机视觉相遇:十年调查

Hui Wei, Hao Tang, Xuemei Jia

    IEEE transactions on pattern analysis and machine intelligence
    |July 18, 2024
    PubMed
    概括

    这项研究探讨了对深度神经网络 (DNN) 的物理对抗性攻击,强调了物理文物的影响. 引入了一个新的指标,hiPAA,以全面评估这些攻击.

    科学领域:

    • 计算机视觉 计算机视觉
    • 人工智能安全 的人工智能安全

    背景情况:

    • 深度神经网络 (DNN) 显示对敌对攻击的脆弱性,降低了性能.
    • 这些攻击超越了数字环境,进入了物理世界,构成安全风险.

    研究的目的:

    • 提供对物理对手攻击的全面概述.
    • 引入一个新的术语,对抗媒介,用于带有扰动的文物.
    • 为物理对抗性攻击提出一个系统的评估指标.

    主要方法:

    • 提炼了发动物理敌对攻击的四个一般步骤.
    • 引入了"对抗媒介"的概念来描述物理文物.
    • 开发了hiPAA,这是一种用于物理对抗攻击的新型评估指标.

    主要成果:

    • 物理对抗性攻击受到艺术品的影响,称为对抗性媒介.
    • 该指标从六个角度评估攻击:有效性,隐身性,坚固性,实用性,美学和经济性.
    • 介绍了任务类别之间的比较结果,提供了洞察力.

    结论:

    • 物理对抗性攻击需要系统评估,因为它们在现实世界中具有影响.

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  • 对抗媒介概念和hiPAA指标为在物理环境中评估DNN安全提供了一个框架.
  • 建议根据比较分析和观察进行进一步的研究.