activity
20242026
most citedA Hard-to-Beat Baseline for Training-free CLIP-based Adaptation

1 citations · 1 across the 17 of their papers we have counts for

collaborators
Showing 2025Show all

6 papers · 1 filter

cs.LG2025

Stay Unique, Stay Efficient: Preserving Model Personality in Multi-Task Merging

Kuangpu Guo, Aijing Yu, Jian Liang +4

Model merging has emerged as a promising paradigm for enabling multi-task capabilities without additional training. However, traditional basic merging methods often experience perf…

cs.CV2025

Cooperative Pseudo Labeling for Unsupervised Federated Classification

Kuangpu Guo, Lijun Sheng, Yongcan Yu +3

Unsupervised Federated Learning (UFL) aims to collaboratively train a global model across distributed clients without sharing data or accessing label information. Previous UFL work…

cs.LG2025

Adapting Vision-Language Models Without Labels: A Comprehensive Survey

Hao Dong, Lijun Sheng, Jian Liang +3

Vision-Language Models (VLMs) have demonstrated remarkable generalization capabilities across a wide range of tasks. However, their performance often remains suboptimal when direct…

cs.LG2025

The Illusion of Progress? A Critical Look at Test-Time Adaptation for Vision-Language Models

Lijun Sheng, Jian Liang, Ran He +2

Test-time adaptation (TTA) methods have gained significant attention for enhancing the performance of vision-language models (VLMs) such as CLIP during inference, without requiring…

cs.CR2025

Do We Really Need Curated Malicious Data for Safety Alignment in Multi-modal Large Language Models?

Yanbo Wang, Jiyang Guan, Jian Liang +1

Multi-modal large language models (MLLMs) have made significant progress, yet their safety alignment remains limited. Typically, current open-source MLLMs rely on the alignment inh…

cs.LG2025

R-TPT: Improving Adversarial Robustness of Vision-Language Models through Test-Time Prompt Tuning

Lijun Sheng, Jian Liang, Zilei Wang +1

Vision-language models (VLMs), such as CLIP, have gained significant popularity as foundation models, with numerous fine-tuning methods developed to enhance performance on downstre…