activity
20242026
most citedWellDunn: On the Robustness and Explainability of Language Models and Large Language Models in Identifying Wellness Dimensions

6 citations · 9 across the 23 of their papers we have counts for

collaborators

23 papers

cs.CV2026

Test-Time Curriculum for Open-Set AIGC Detection

Yiqian Zhang, Zheyuan Gu, Xiangzhao Hao +8

AI-generated image detectors deployed in open-world environments inevitably face distribution shifts as new and stronger generative models continue to emerge. Although existing met…

cs.CV2026

Memento: Reconstruct to Remember for Consistent Long Video Generation

Xuan Wei, Longbin Ji, Guan Wang +5

Long-form video generation requires recurring subjects to remain consistent across various shots, viewpoints, motions, and scene transitions. Existing temporal decomposition method…

cs.CV2026

CLEAR: Unlocking Generative Potential for Degraded Image Understanding in Unified Multimodal Models

Xiangzhao Hao, Zefeng Zhang, Zhenyu Zhang +6

Image degradation from blur, noise, compression, and poor illumination severely undermines multimodal understanding in real-world settings. Unified multimodal models that combine u…

cs.CV2026

Learning to Generate via Understanding: Understanding-Driven Intrinsic Rewarding for Unified Multimodal Models

Jiadong Pan, Liang Li, Yuxin Peng +6

Recently, unified multimodal models (UMMs) have made remarkable progress in integrating visual understanding and generation, demonstrating strong potential for complex text-to-imag…

cs.LG2026

Mixture of Universal Experts: Scaling Virtual Width via Depth-Width Transformation

Yilong Chen, Naibin Gu, Junyuan Shang +8

Mixture-of-Experts (MoE) decouples model capacity from per-token computation, yet their scalability remains limited by the physical dimensions of depth and width. To overcome this,…

cs.CV2026

VideoAR: Autoregressive Video Generation via Next-Frame & Scale Prediction

Longbin Ji, Xiaoxiong Liu, Junyuan Shang +4

Recent advances in video generation have been dominated by diffusion and flow-matching models, which produce high-quality results but remain computationally intensive and difficult…

cs.CV2025

V-ITI: Mitigating Hallucinations in Multimodal Large Language Models via Visual Inference-Time Intervention

Nan Sun, Zhenyu Zhang, Xixun Lin +8

Multimodal Large Language Models (MLLMs) excel in numerous vision-language tasks yet suffer from hallucinations, producing content inconsistent with input visuals, that undermine r…

cs.CV2025

Blink: Dynamic Visual Token Resolution for Enhanced Multimodal Understanding

Yuchen Feng, Zhenyu Zhang, Naibin Gu +8

Multimodal large language models (MLLMs) have achieved remarkable progress on various vision-language tasks, yet their visual perception remains limited. Humans, in comparison, per…

cs.CL2025

Elastic MoE: Unlocking the Inference-Time Scalability of Mixture-of-Experts

Naibin Gu, Zhenyu Zhang, Yuchen Feng +8

Mixture-of-Experts (MoE) models typically fix the number of activated experts at both training and inference. However, real-world deployments often face heterogeneous hardware,…

cs.CL2025

Advantageous Parameter Expansion Training Makes Better Large Language Models

Naibin Gu, Yilong Chen, Zhenyu Zhang +7

Although scaling up the number of trainable parameters can effectively improve the training performance of large language models, it also leads to increased computational overhead.…

cs.CL2025

Inner Thinking Transformer: Leveraging Dynamic Depth Scaling to Foster Adaptive Internal Thinking

Yilong Chen, Junyuan Shang, Zhenyu Zhang +7

Large language models (LLMs) face inherent performance bottlenecks under parameter constraints, particularly in processing critical tokens that demand complex reasoning. Empirical…

cs.CL2025

BeamLoRA: Beam-Constraint Low-Rank Adaptation

Naibin Gu, Zhenyu Zhang, Xiyu Liu +7

Due to the demand for efficient fine-tuning of large language models, Low-Rank Adaptation (LoRA) has been widely adopted as one of the most effective parameter-efficient fine-tunin…

cs.CL2025★ 1 cited

Curiosity-Driven Reinforcement Learning from Human Feedback

Haoran Sun, Yekun Chai, Shuohuan Wang +3

Reinforcement learning from human feedback (RLHF) has proven effective in aligning large language models (LLMs) with human preferences, but often at the cost of reduced output dive…

cs.CL2024

Mixture of Hidden-Dimensions Transformer

Yilong Chen, Junyuan Shang, Zhengyu Zhang +6

Transformer models encounter challenges in scaling hidden dimensions efficiently, as uniformly increasing them inflates computational and memory costs while failing to emphasize th…

cs.CL2024

Upcycling Instruction Tuning from Dense to Mixture-of-Experts via Parameter Merging

Tingfeng Hui, Zhenyu Zhang, Shuohuan Wang +3

Mixture-of-Experts (MoE) shines brightly in large language models (LLMs) and demonstrates outstanding performance in plentiful natural language processing tasks. However, existing…

cs.CL2024

MA-RLHF: Reinforcement Learning from Human Feedback with Macro Actions

Yekun Chai, Haoran Sun, Huang Fang +3

Reinforcement learning from human feedback (RLHF) has demonstrated effectiveness in aligning large language models (LLMs) with human preferences. However, token-level RLHF suffers…

cs.CL2024

Orthogonal Finetuning for Direct Preference Optimization

Chenxu Yang, Ruipeng Jia, Naibin Gu +7

DPO is an effective preference optimization algorithm. However, the DPO-tuned models tend to overfit on the dispreferred samples, manifested as overly long generations lacking dive…

cs.CL2024★ 1 cited

NACL: A General and Effective KV Cache Eviction Framework for LLMs at Inference Time

Yilong Chen, Guoxia Wang, Junyuan Shang +7

Large Language Models (LLMs) have ignited an innovative surge of AI applications, marking a new era of exciting possibilities equipped with extended context windows. However, hosti…

cs.AI2024★ 6 cited

WellDunn: On the Robustness and Explainability of Language Models and Large Language Models in Identifying Wellness Dimensions

Seyedali Mohammadi, Edward Raff, Jinendra Malekar +3

Language Models (LMs) are being proposed for mental health applications where the heightened risk of adverse outcomes means predictive performance may not be a sufficient litmus te…

cs.LG2024

DHA: Learning Decoupled-Head Attention from Transformer Checkpoints via Adaptive Heads Fusion

Yilong Chen, Linhao Zhang, Junyuan Shang +4

Large language models (LLMs) with billions of parameters demonstrate impressive performance. However, the widely used Multi-Head Attention (MHA) in LLMs incurs substantial computat…

cs.CL2024★ 1 cited

HFT: Half Fine-Tuning for Large Language Models

Tingfeng Hui, Zhenyu Zhang, Shuohuan Wang +3

Large language models (LLMs) with one or more fine-tuning phases have become a necessary step to unlock various capabilities, enabling LLMs to follow natural language instructions…

cs.CL2024

Autoregressive Pre-Training on Pixels and Texts

Yekun Chai, Qingyi Liu, Jingwu Xiao +3

The integration of visual and textual information represents a promising direction in the advancement of language models. In this paper, we explore the dual modality of language--b…

cs.CL2024

On Training Data Influence of GPT Models

Yekun Chai, Qingyi Liu, Shuohuan Wang +3

Amidst the rapid advancements in generative language models, the investigation of how training data shapes the performance of GPT models is still emerging. This paper presents GPTf…