activity
20242026
collaborators

10 papers

cs.CV2026

Mind the Way You Select Negative Texts: Pursuing the Distance Consistency in OOD Detection with VLMs

Zhikang Xu, Qianqian Xu, Zitai Wang +4

Out-of-distribution (OOD) detection seeks to identify samples from unknown classes, a critical capability for deploying machine learning models in open-world scenarios. Recent rese…

cs.CV2026

Making Training-Free Diffusion Segmentors Scale with the Generative Power

Benyuan Meng, Qianqian Xu, Zitai Wang +3

As powerful generative models, text-to-image diffusion models have recently been explored for discriminative tasks. A line of research focuses on adapting a pre-trained diffusion m…

cs.SI2025

Quantifying the Potential to Escape Filter Bubbles: A Behavior-Aware Measure via Contrastive Simulation

Difu Feng, Qianqian Xu, Zitai Wang +3

Nowadays, recommendation systems have become crucial to online platforms, shaping user exposure by accurate preference modeling. However, such an exposure strategy can also reinfor…

cs.LG2025

ABKD: Pursuing a Proper Allocation of the Probability Mass in Knowledge Distillation via --Divergence

Guanghui Wang, Zhiyong Yang, Zitai Wang +3

Knowledge Distillation (KD) transfers knowledge from a large teacher model to a smaller student model by minimizing the divergence between their output distributions, typically usi…

cs.LG2025

Focal-SAM: Focal Sharpness-Aware Minimization for Long-Tailed Classification

Sicong Li, Qianqian Xu, Zhiyong Yang +4

Real-world datasets often follow a long-tailed distribution, making generalization to tail classes difficult. Recent methods resorted to long-tail variants of Sharpness-Aware Minim…

cs.LG2025

OpenworldAUC: Towards Unified Evaluation and Optimization for Open-world Prompt Tuning

Cong Hua, Qianqian Xu, Zhiyong Yang +3

Prompt tuning adapts Vision-Language Models like CLIP to open-world tasks with minimal training costs. In this direction, one typical paradigm evaluates model performance separatel…