collaborators

9 papers

cs.CV2026

What Memory Do GUI Agents Really Need? From Passive Records to Active Task-Driving States

Chen Liu, Ling Chen, Hanzhang Zhou +7

Mobile GUI agents increasingly face long-horizon tasks that require reading, updating, and reusing task-relevant data across pages and applications. Existing methods treat memory l…

cs.CV2026

One Forward Beats Two: InnerZoom for Accurate and Efficient GUI Grounding

Chen Liu, Ling Chen, Hanzhang Zhou +5

MLLM-based GUI grounding methods commonly formulate target localization as autoregressive coordinate generation, enabling models to leverage the strong instruction-following and se…

cs.CV2026

SSMNBench: Diagnosing Image-based Cross-View Human-Object Understanding via Single-View Sufficiency and Multi-View Necessity

Tianchen Guo, Chen Liu, Ling Chen +1

Multimodal Large Language Models (MLLMs) have shown remarkable progress in single-image perception, yet their ability to reason about complex cross-view human-centric scenes remain…

cs.CL2026

OpenHalDet: A Unified Benchmark for Hallucination Detection across Diverse Generation Scenarios

Xinyi Li, Zhen Fang, Yongxin Deng +12

Hallucination detection is essential for the reliable deployment of large language models (LLMs). However, existing evaluations face two core challenges: inconsistent inference con…

cs.CV2026

Respecting Modality Gap in Post-hoc Out-of-distribution Detection with Pre-trained Vision-Language Models

Yuanwei Hu, Bo Peng, Yadan Luo +3

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes.…

cs.CV2026

Delving into Spectral Clustering with Vision-Language Representations

Bo Peng, Yuanwei Hu, Bo Liu +3

Spectral clustering is known as a powerful technique in unsupervised data analysis. The vast majority of approaches to spectral clustering are driven by a single modality, leaving…

cs.AI2026

Beyond In-Domain Detection: SpikeScore for Cross-Domain Hallucination Detection

Yongxin Deng, Zhen Fang, Sharon Li +1

Hallucination detection is critical for deploying large language models (LLMs) in real-world applications. Existing hallucination detection methods achieve strong performance when…

cs.LG2026

Explainable LLM Unlearning Through Reasoning

Junfeng Liao, Qizhou Wang, Shanshan Ye +3

LLM unlearning is essential for mitigating safety, copyright, and privacy concerns in pre-trained large language models (LLMs). Compared to preference alignment, it offers a more e…

cs.AI2025

Shaking to Reveal: Perturbation-Based Detection of LLM Hallucinations

Jinyuan Luo, Zhen Fang, Yixuan Li +2

Hallucination remains a key obstacle to the reliable deployment of large language models (LLMs) in real-world question answering tasks. A widely adopted strategy to detect hallucin…