activity
20212026
most citedLearning from models beyond fine-tuning

68 citations · 501 across the 111 of their papers we have counts for

collaborators

120 papers

cs.LG2026

Fine-Grained Analysis of Catastrophic Forgetting in Continual Learning via Algorithmic Stability

Guodong Zheng, Yan Sun, Peng Wang +5

Understanding catastrophic forgetting, in which learning new tasks degrades performance on previously learned tasks, remains a fundamental challenge in continual learning (CL). Exi…

cs.LG2026

Alignment-Guided Flow Transformer for Efficient Vision-Language-Action Policy Learning

Shengchao Hu, Peng Wang, Qiyang Zhou +5

Recent advances in Vision-Language-Action (VLA) models point toward general-purpose robotic intelligence by unifying perception, instruction, and control. Despite impressive progre…

cs.LG2026

Q-learning Penalized Transformer for Safe Offline Reinforcement Learning

Shengchao Hu, Peng Wang, Jifeng Hu +5

This paper addresses the problem of safe offline reinforcement learning, which involves training a policy to satisfy safety constraints using an offline dataset. This problem is in…

cs.RO2026

ExToken: Structured Exploration for Efficient Vision-Language-Action Reinforcement Fine-tuning

Yilun Kong, Yunpeng Qing, Guozheng Ma +4

Reinforcement Learning (RL) has demonstrated significant potential for improving Vision-Language-Action (VLA) models on complex manipulation tasks. However, its practical scalabili…

cs.LG2026

Closed-Form Spectral Regularization for Multi-Task Model Merging

Yongxian Wei, Runxi Cheng, Xingxuan Zhang +4

Model merging combines several independently fine-tuned experts into a single multi-task model without any training data, reducing the storage, serving, and decentralized-developme…

cs.LG2026

Rethinking the Personalized Relaxed Initialization in the Federated Learning: Consistency and Generalization

Li Shen, Yan Sun, Dacheng Tao

Federated learning (FL) is a distributed paradigm that coordinates massive local clients to collaboratively train a global model via stage-wise local training processes on the hete…

cs.RO2026

ACE-Brain-0: Spatial Intelligence as a Shared Scaffold for Universal Embodiments

Ziyang Gong, Zehang Luo, Anke Tang +21

Universal embodied intelligence demands robust generalization across heterogeneous embodiments, such as autonomous driving, robotics, and unmanned aerial vehicles (UAVs). However,…

cs.AI2026

Language-based Trial and Error Falls Behind in the Era of Experience

Haoyu Wang, Guozheng Ma, Shugang Cui +7

While Large Language Models (LLMs) excel in language-based agentic tasks, their applicability to unseen, nonlinguistic environments (e.g., symbolic or spatial tasks) remains limite…

cs.CV2025

From Hindsight to Foresight: Self-Encouraged Hindsight Distillation for Knowledge-based Visual Question Answering

Yu Zhao, Ying Zhang, Xuhui Sui +4

Knowledge-based Visual Question Answering (KBVQA) necessitates external knowledge incorporation beyond cross-modal understanding. Existing KBVQA methods either utilize implicit kno…

cs.CV2025

Sparse Model Inversion: Efficient Inversion of Vision Transformers for Data-Free Applications

Zixuan Hu, Yongxian Wei, Li Shen +4

Model inversion, which aims to reconstruct the original training data from pre-trained discriminative models, is especially useful when the original training data is unavailable du…

cs.LG2025

Adaptive Defense against Harmful Fine-Tuning for Large Language Models via Bayesian Data Scheduler

Zixuan Hu, Li Shen, Zhenyi Wang +2

Harmful fine-tuning poses critical safety risks to fine-tuning-as-a-service for large language models. Existing defense strategies preemptively build robustness via attack simulati…

cs.LG2025

Network Sparsity Unlocks the Scaling Potential of Deep Reinforcement Learning

Guozheng Ma, Lu Li, Zilin Wang +3

Effectively scaling up deep reinforcement learning models has proven notoriously difficult due to network pathologies during training, motivating various targeted interventions suc…

cs.LG2025

Hyper-modal Imputation Diffusion Embedding with Dual-Distillation for Federated Multimodal Knowledge Graph Completion

Ying Zhang, Yu Zhao, Xuhui Sui +5

With the increasing multimodal knowledge privatization requirements, multimodal knowledge graphs in different institutes are usually decentralized, lacking of effective collaborati…

cs.LG2025

Mastering Massive Multi-Task Reinforcement Learning via Mixture-of-Expert Decision Transformer

Yilun Kong, Guozheng Ma, Qi Zhao +4

Despite recent advancements in offline multi-task reinforcement learning (MTRL) have harnessed the powerful capabilities of the Transformer architecture, most approaches focus on a…

cs.LG2025

Decision Flow Policy Optimization

Jifeng Hu, Sili Huang, Siyuan Guo +6

In recent years, generative models have shown remarkable capabilities across diverse fields, including images, videos, language, and decision-making. By applying powerful generativ…

cs.CV2025

Multimodal Reasoning Agent for Zero-Shot Composed Image Retrieval

Rong-Cheng Tu, Wenhao Sun, Hanzhe You +4

Zero-Shot Composed Image Retrieval (ZS-CIR) aims to retrieve target images given a compositional query, consisting of a reference image and a modifying text-without relying on anno…

cs.CV2025

R1-ShareVL: Incentivizing Reasoning Capability of Multimodal Large Language Models via Share-GRPO

Huanjin Yao, Qixiang Yin, Jingyi Zhang +8

In this work, we aim to incentivize the reasoning ability of Multimodal Large Language Models (MLLMs) via reinforcement learning (RL) and develop an effective approach that mitigat…

cs.AI2025

Ada-R1: Hybrid-CoT via Bi-Level Adaptive Reasoning Optimization

Haotian Luo, Haiying He, Yibo Wang +6

Recently, long-thought reasoning models achieve strong performance on complex reasoning tasks, but often incur substantial inference overhead, making efficiency a critical concern.…

cs.LG2025★ 7 cited

Cross-Domain Diffusion with Progressive Alignment for Efficient Adaptive Retrieval

Junyu Luo, Yusheng Zhao, Xiao Luo +5

Unsupervised efficient domain adaptive retrieval aims to transfer knowledge from a labeled source domain to an unlabeled target domain, while maintaining low storage cost and high…

cs.LG2025

Analytic Energy-Guided Policy Optimization for Offline Reinforcement Learning

Jifeng Hu, Sili Huang, Zhejian Yang +6

Conditional decision generation with diffusion models has shown powerful competitiveness in reinforcement learning (RL). Recent studies reveal the relation between energy-function-…

cs.AI2025

OptMerge: Unifying Multimodal LLM Capabilities and Modalities via Model Merging

Yongxian Wei, Runxi Cheng, Weike Jin +7

Foundation models update slowly due to resource-intensive training, whereas domain-specific models evolve rapidly between releases. Model merging seeks to combine multiple expert m…

cs.CL2025

R1-Compress: Long Chain-of-Thought Compression via Chunk Compression and Search

Yibo Wang, Haotian Luo, Huanjin Yao +8

Chain-of-Thought (CoT) reasoning enhances large language models (LLMs) by enabling step-by-step problem-solving, yet its extension to Long-CoT introduces substantial computational…

cs.LG2025

Low-Precision Training of Large Language Models: Methods, Challenges, and Opportunities

Zhiwei Hao, Jianyuan Guo, Li Shen +6

Large language models (LLMs) have achieved impressive performance across various domains. However, the substantial hardware resources required for their training present a signific…

cs.LG2025

Combatting Dimensional Collapse in LLM Pre-Training Data via Diversified File Selection

Ziqing Fan, Siyuan Du, Shengchao Hu +5

Selecting high-quality pre-training data for large language models (LLMs) is crucial for enhancing their overall performance under limited computation budget, improving both traini…