Enhancing Adversarial Robustness of Vision-Language Models through Low-Rank Adaptation
This addresses security and resource efficiency issues for VLMs, which are critical for AGI, but it is incremental as it builds on existing LoRA techniques.
The paper tackled the vulnerabilities and high computational costs of adversarial adaptation in Vision-Language Models (VLMs) by proposing AdvLoRA, a parameter-efficient method based on Low-Rank Adaptation, which improved robustness and efficiency as confirmed through experiments.
Vision-Language Models (VLMs) play a crucial role in the advancement of Artificial General Intelligence (AGI). As AGI rapidly evolves, addressing security concerns has emerged as one of the most significant challenges for VLMs. In this paper, we present extensive experiments that expose the vulnerabilities of conventional adaptation methods for VLMs, highlighting significant security risks. Moreover, as VLMs grow in size, the application of traditional adversarial adaptation techniques incurs substantial computational costs. To address these issues, we propose a parameter-efficient adversarial adaptation method called \textbf{\textit{AdvLoRA}} based on Low-Rank Adaptation. We investigate and reveal the inherent low-rank properties involved in adversarial adaptation for VLMs. Different from LoRA, we enhance the efficiency and robustness of adversarial adaptation by introducing a novel reparameterization method that leverages parameter clustering and alignment. Additionally, we propose an adaptive parameter update strategy to further bolster robustness. These innovations enable our AdvLoRA to mitigate issues related to model security and resource wastage. Extensive experiments confirm the effectiveness and efficiency of AdvLoRA.