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20242026
most citedTowards a Unified View of Preference Learning for Large Language Models: A Survey

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cs.CL2025

MMGR: Multi-Modal Generative Reasoning Benchmark and Evaluation

Zefan Cai, Haoyi Qiu, Tianyi Ma +13

Modern multimodal generative models can synthesize visually compelling images and videos, but it remains unclear whether this visual fluency reflects genuine reasoning: when prompt…

cs.CL2025

From Preferences to Prejudice: The Role of Alignment Tuning in Shaping Social Bias in Video Diffusion Models

Zefan Cai, Haoyi Qiu, Haozhe Zhao +6

Recent advances in video diffusion models have significantly enhanced text-to-video generation, particularly through alignment tuning using reward models trained on human preferenc…

cs.CV2025

Scaling Up Audio-Synchronized Visual Animation: An Efficient Training Paradigm

Lin Zhang, Zefan Cai, Yufan Zhou +10

Recent advances in audio-synchronized visual animation enable control of video content using audios from specific classes. However, existing methods rely heavily on expensive manua…

cs.CV2025

MENTOR: Efficient Multimodal-Conditioned Tuning for Autoregressive Vision Generation Models

Haozhe Zhao, Zefan Cai, Shuzheng Si +5

Recent text-to-image models produce high-quality results but still struggle with precise visual control, balancing multimodal inputs, and requiring extensive training for complex m…

cs.CL2025

R-KV: Redundancy-aware KV Cache Compression for Reasoning Models

Zefan Cai, Wen Xiao, Hanshi Sun +11

Reasoning models have demonstrated impressive performance in self-reflection and chain-of-thought reasoning. However, they often produce excessively long outputs, leading to prohib…

cs.CV2025

VisualToolAgent (VisTA): A Reinforcement Learning Framework for Visual Tool Selection

Zeyi Huang, Yuyang Ji, Anirudh Sundara Rajan +5

We introduce VisTA, a new reinforcement learning framework that empowers visual agents to dynamically explore, select, and combine tools from a diverse library based on empirical p…

cs.LG2025

HeadInfer: Memory-Efficient LLM Inference by Head-wise Offloading

Cheng Luo, Zefan Cai, Hanshi Sun +7

Transformer-based large language models (LLMs) demonstrate impressive performance in long context generation. Extending the context length has disproportionately shifted the memory…