collaborators

10 papers

cs.AI2026

Does Adversarial Training Improve Generalization in Multi-View VLAs? Revealing and Mitigating View Collapse

Futa Waseda, Shuhei Kurita, Isao Echizen

Vision-language-action (VLA) models adapt pretrained vision-language models (VLMs) for closed-loop robot control, transferring their perceptual and semantic capabilities to action…

cs.CV2026

Rethinking Brain Decoding with CLIP: The Role of Adversarial Robustness

Byeongseo Bok, Futa Waseda, Jun Liu +1

Brain decoding aims to uncover neural mechanisms by inferring stimulus-related representations from brain signals. In fMRI studies, this is typically achieved by mapping fMRI respo…

cs.HC2026

When LLM Rationales Become User-Facing: Effects on Trust Perception, Decision-Making, and Gaze Behaviors

Xin Sun, Ting Pan, Yajing Wang +5

Large language models (LLMs) increasingly show step-by-step reasoning rationales alongside their answers, turning reasoning from an internal model capability into a user-facing int…

cs.CV2026

Forged Calamity: Benchmark for Cross-Domain Synthetic Disaster Detection in the Age of Diffusion

Duc-Manh Phan, Quoc-Duy Tran, Duy-Khang Do +9

The rapid advancement of text-to-image diffusion models has enabled the creation of highly photorealistic synthetic images that closely resemble real photographs, making it increas…

cs.CV2026

EvoGuard: An Extensible Agentic RL-based Framework for Practical and Evolving AI-Generated Image Detection

Chenyang Zhu, Maorong Wang, Jun Liu +2

The rapid proliferation of AI-Generated Images (AIGIs) poses severe misinformation risks, making AIGI detection critical yet challenging. Traditional detection paradigms mainly rel…

cs.HC2026

Seeing the Reasoning: How LLM Rationales Influence User Trust and Decision-Making in Factual Verification Tasks

Xin Sun, Shu Wei, Jos A Bosch +3

Large Language Models (LLMs) increasingly show reasoning rationales alongside their answers, turning "reasoning" into a user-interface element. While step-by-step rationales are ty…

cs.LG2026

Low-Cost Hard-Label Adversarial Attack with Theoretical Foundations

Jun Liu, Leo Yu Zhang, Fengpeng Li +2

Hard-label black-box attacks, relying solely on top-1 predictions, represent one of the most challenging yet practically threat models. Despite recent progress, existing approaches…

cs.CL2025

SGM: Safety Glasses for Multimodal Large Language Models via Neuron-Level Detoxification

Hongbo Wang, AprilPyone MaungMaung, Isao Echizen

Disclaimer: Samples in this paper may be harmful and cause discomfort. Multimodal large language models (MLLMs) enable multimodal understanding but inherit toxic signals from weakl…

cs.CV2025

Quality Text, Robust Vision: The Role of Language in Enhancing Visual Robustness of Vision-Language Models

Futa Waseda, Saku Sugawara, Isao Echizen

Defending pre-trained vision-language models (VLMs), such as CLIP, against adversarial attacks is crucial, as these models are widely used in diverse zero-shot tasks, including ima…

cs.CV2025

DRAGON: A Large-Scale Dataset of Realistic Images Generated by Diffusion Models

Giulia Bertazzini, Daniele Baracchi, Dasara Shullani +2

The remarkable ease of use of diffusion models for image generation has led to a proliferation of synthetic content online. While these models are often employed for legitimate pur…