activity
20232026
most citedText2Seg: Remote Sensing Image Semantic Segmentation via Text-Guided Visual Foundation Models

27 citations · 81 across the 17 of their papers we have counts for

collaborators

17 papers

cs.LG2026

Are LLMs Ready for Neural-integrated Mechanistic Modeling? A Benchmark and Agentic Framework

Zihan Guan, Rituparna Datta, Mengxuan Hu +5

Large language models (LLMs) have shown promise in constructing mechanistic models from data. However, existing evaluations largely focus on simplified settings and fail to capture…

cs.CV2026

Enhanced Diagnostic Performance via Large-Resolution Inference Optimization for Pathology Foundation Models

Mengxuan Hu, Zihan Guan, John Kang +2

Despite their prominent performance on tasks such as ROI classification and segmentation, many pathology foundation models remain constrained by a specific input size e.g. 224 x 22…

cs.LG2025

BEACON: Bayesian Optimal Stopping for Efficient LLM Sampling

Guangya Wan, Zixin Stephen Xu, Sasa Zorc +4

Sampling multiple responses is a common way to improve LLM output quality, but it comes at the cost of additional computation. The key challenge is deciding when to stop generating…

cs.AI2025

BalancEdit: Dynamically Balancing the Generality-Locality Trade-off in Multi-modal Model Editing

Dongliang Guo, Mengxuan Hu, Zihan Guan +2

Large multi-modal models inevitably decay over time as facts update and previously learned information becomes outdated. Traditional approaches such as fine-tuning are often imprac…

cs.LG2025

Benign Samples Matter! Fine-tuning On Outlier Benign Samples Severely Breaks Safety

Zihan Guan, Mengxuan Hu, Ronghang Zhu +2

Recent studies have uncovered a troubling vulnerability in the fine-tuning stage of large language models (LLMs): even fine-tuning on entirely benign datasets can lead to a signifi…

cs.AI2024

Backdoor in Seconds: Unlocking Vulnerabilities in Large Pre-trained Models via Model Editing

Dongliang Guo, Mengxuan Hu, Zihan Guan +3

Large pre-trained models have achieved notable success across a range of downstream tasks. However, recent research shows that a type of adversarial attack ( backdo…

cs.IR2024

No Free Lunch: Retrieval-Augmented Generation Undermines Fairness in LLMs, Even for Vigilant Users

Mengxuan Hu, Hongyi Wu, Zihan Guan +4

Retrieval-Augmented Generation (RAG) is widely adopted for its effectiveness and cost-efficiency in mitigating hallucinations and enhancing the domain-specific generation capabilit…

cs.LG2024★ 7 cited

Causal Inference with Latent Variables: Recent Advances and Future Prospectives

Yaochen Zhu, Yinhan He, Jing Ma +3

Causality lays the foundation for the trajectory of our world. Causal inference (CI), which aims to infer intrinsic causal relations among variables of interest, has emerged as a c…

cs.CR2024★ 1 cited

UFID: A Unified Framework for Input-level Backdoor Detection on Diffusion Models

Zihan Guan, Mengxuan Hu, Sheng Li +1

Diffusion models are vulnerable to backdoor attacks, where malicious attackers inject backdoors by poisoning certain training samples during the training stage. This poses a signif…

cs.CV2024★ 16 cited

Img2Loc: Revisiting Image Geolocalization using Multi-modality Foundation Models and Image-based Retrieval-Augmented Generation

Zhongliang Zhou, Jielu Zhang, Zihan Guan +5

Geolocating precise locations from images presents a challenging problem in computer vision and information retrieval.Traditional methods typically employ either classification, wh…

cs.CL2024★ 8 cited

Large Language Models for Causal Discovery: Current Landscape and Future Directions

Guangya Wan, Yunsheng Lu, Yuqi Wu +2

Causal discovery (CD) and Large Language Models (LLMs) have emerged as transformative fields in artificial intelligence that have evolved largely independently. While CD specialize…

cs.LG2024★ 1 cited

Task-Driven Causal Feature Distillation: Towards Trustworthy Risk Prediction

Zhixuan Chu, Mengxuan Hu, Qing Cui +2

Since artificial intelligence has seen tremendous recent successes in many areas, it has sparked great interest in its potential for trustworthy and interpretable risk prediction.…

cs.AI2023★ 8 cited

XAI meets Biology: A Comprehensive Review of Explainable AI in Bioinformatics Applications

Zhongliang Zhou, Mengxuan Hu, Mariah Salcedo +7

Artificial intelligence (AI), particularly machine learning and deep learning models, has significantly impacted bioinformatics research by offering powerful tools for analyzing co…

cs.LG2023

Identification of Causal Relationship between Amyloid-beta Accumulation and Alzheimer's Disease Progression via Counterfactual Inference

Haixing Dai, Mengxuan Hu, Qing Li +12

Alzheimer's disease (AD) is a neurodegenerative disorder that is beginning with amyloidosis, followed by neuronal loss and deterioration in structure, function, and cognition. The…

cs.CL2023★ 11 cited

PharmacyGPT: The AI Pharmacist

Zhengliang Liu, Zihao Wu, Mengxuan Hu +12

In this study, we introduce PharmacyGPT, a novel framework to assess the capabilities of large language models (LLMs) such as ChatGPT and GPT-4 in emulating the role of clinical ph…

cs.CV2023★ 2 cited

BadSAM: Exploring Security Vulnerabilities of SAM via Backdoor Attacks

Zihan Guan, Mengxuan Hu, Zhongliang Zhou +3

Recently, the Segment Anything Model (SAM) has gained significant attention as an image segmentation foundation model due to its strong performance on various downstream tasks. How…

cs.CV2023★ 27 cited

Text2Seg: Remote Sensing Image Semantic Segmentation via Text-Guided Visual Foundation Models

Jielu Zhang, Zhongliang Zhou, Gengchen Mai +4

Remote sensing imagery has attracted significant attention in recent years due to its instrumental role in global environmental monitoring, land usage monitoring, and more. As imag…