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Zhongliang Guo

5 accepted papers

2026

Attacking Gray-Box Large Vision-Language Models with Adaptive SVD-Structured Adversarial Alignment

ICML 2026poster

Large vision-language models (LVLMs) have demonstrated remarkable capabilities across a wide range of multimodal reasoning tasks. However, recent research shows that they are susceptible to adversarial examples. Existing LVLM attack methods are generally deployed in the white- or black-box setting, …

Cited by 0SourceScholar
2026

Understanding and Exploiting Phase Sensitivity for Attacking Large Vision–Language Models

IJCAI 2026

Although Large Vision-Language Models (LVLMs) have demonstrated remarkable reasoning capabilities across various downstream multimodal tasks, they are proven to be vulnerable to carefully designed adversarial examples. Existing LVLM attackers show that exploring external components of adversarial gu

Cited by 0Scholar
2025

Instant Adversarial Purification with Adversarial Consistency Distillation

CVPR 2025poster

Neural networks have revolutionized numerous fields with their exceptional performance, yet they remain susceptible to adversarial attacks through subtle perturbations. While diffusion-based purification methods like DiffPure offer promising defense mechanisms, their computational overhead presents…

Cited by 4SourcePDFScholar
2025

T2ICount: Enhancing Cross-modal Understanding for Zero-Shot Counting

CVPR 2025highlight

Zero-shot object counting aims to count instances of arbitrary object categories specified by text descriptions. Existing methods typically rely on vision-language models like CLIP, but often exhibit limited sensitivity to text prompts. We present T2ICount, a diffusion-based framework that leverages…

2024

A White-Box False Positive Adversarial Attack Method on Contrastive Loss Based Offline Handwritten Signature Verification Models

AISTATS 2024poster

In this paper, we tackle the challenge of white-box false positive adversarial attacks on contrastive loss based offline handwritten signature verification models. We propose a novel attack method that treats the attack as a style transfer between closely related but distinct writing styles. To guid…