activity
20202026
most citedWho Is the Strongest Enemy? Towards Optimal and Efficient Evasion Attacks in Deep RL

15 citations · 46 across the 18 of their papers we have counts for

collaborators

19 papers

cs.CL2026

Thinking Hard, Not Smart: Reasoning Models Fail to Ration Test-Time Compute Across Questions

Chenrui Fan, Yize Cheng, Ming Li +3

Reasoning language models increasingly use test-time compute to improve performance, but existing evaluations typically study this compute one question at a time. Yet when multiple…

cs.RO2025

TraceGen: World Modeling in 3D Trace Space Enables Learning from Cross-Embodiment Videos

Seungjae Lee, Yoonkyo Jung, Inkook Chun +8

Learning new robot tasks on new platforms and in new scenes from only a handful of demonstrations remains challenging. While videos of other embodiments - humans and different robo…

cs.CV2025

ROVER: Benchmarking Reciprocal Cross-Modal Reasoning for Omnimodal Generation

Yongyuan Liang, Wei Chow, Feng Li +7

Unified multimodal models (UMMs) have emerged as a powerful paradigm for seamlessly unifying text and image understanding and generation. However, prevailing evaluations treat thes…

cs.CV2025

ViCrit: A Verifiable Reinforcement Learning Proxy Task for Visual Perception in VLMs

Xiyao Wang, Zhengyuan Yang, Chao Feng +10

Reinforcement learning (RL) has shown great effectiveness for fine-tuning large language models (LLMs) using tasks that are challenging yet easily verifiable, such as math reasonin…

cs.CV2025

MORSE-500: A Programmatically Controllable Video Benchmark to Stress-Test Multimodal Reasoning

Zikui Cai, Andrew Wang, Anirudh Satheesh +10

Despite rapid advances in vision-language models (VLMs), current benchmarks for multimodal reasoning fall short in three key dimensions. First, they overwhelmingly rely on static i…

cs.RO2024★ 1 cited

TraceVLA: Visual Trace Prompting Enhances Spatial-Temporal Awareness for Generalist Robotic Policies

Ruijie Zheng, Yongyuan Liang, Shuaiyi Huang +5

Although large vision-language-action (VLA) models pretrained on extensive robot datasets offer promising generalist policies for robotic learning, they still struggle with spatial…

cs.AI2024

Make-An-Agent: A Generalizable Policy Network Generator with Behavior-Prompted Diffusion

Yongyuan Liang, Tingqiang Xu, Kaizhe Hu +3

Can we generate a control policy for an agent using just one demonstration of desired behaviors as a prompt, as effortlessly as creating an image from a textual description? In thi…

cs.LG2024★ 3 cited

Is poisoning a real threat to LLM alignment? Maybe more so than you think

Pankayaraj Pathmanathan, Souradip Chakraborty, Xiangyu Liu +2

Recent advancements in Reinforcement Learning with Human Feedback (RLHF) have significantly impacted the alignment of Large Language Models (LLMs). The sensitivity of reinforcement…

cs.LG2024

Beyond Worst-case Attacks: Robust RL with Adaptive Defense via Non-dominated Policies

Xiangyu Liu, Chenghao Deng, Yanchao Sun +2

In light of the burgeoning success of reinforcement learning (RL) in diverse real-world applications, considerable focus has been directed towards ensuring RL policies are robust t…

cs.LG2024★ 2 cited

ACE : Off-Policy Actor-Critic with Causality-Aware Entropy Regularization

Tianying Ji, Yongyuan Liang, Yan Zeng +7

The varying significance of distinct primitive behaviors during the policy learning process has been overlooked by prior model-free RL algorithms. Leveraging this insight, we explo…

cs.LG2024

Premier-TACO is a Few-Shot Policy Learner: Pretraining Multitask Representation via Temporal Action-Driven Contrastive Loss

Ruijie Zheng, Yongyuan Liang, Xiyao Wang +7

We present Premier-TACO, a multitask feature representation learning approach designed to improve few-shot policy learning efficiency in sequential decision-making tasks. Premier-T…

cs.LG2023★ 3 cited

DrM: Mastering Visual Reinforcement Learning through Dormant Ratio Minimization

Guowei Xu, Ruijie Zheng, Yongyuan Liang +12

Visual reinforcement learning (RL) has shown promise in continuous control tasks. Despite its progress, current algorithms are still unsatisfactory in virtually every aspect of the…

cs.LG2023

Game-Theoretic Robust Reinforcement Learning Handles Temporally-Coupled Perturbations

Yongyuan Liang, Yanchao Sun, Ruijie Zheng +5

Deploying reinforcement learning (RL) systems requires robustness to uncertainty and model misspecification, yet prior robust RL methods typically only study noise introduced indep…

cs.LG2022★ 8 cited

Efficient Adversarial Training without Attacking: Worst-Case-Aware Robust Reinforcement Learning

Yongyuan Liang, Yanchao Sun, Ruijie Zheng +1

Recent studies reveal that a well-trained deep reinforcement learning (RL) policy can be particularly vulnerable to adversarial perturbations on input observations. Therefore, it i…

cs.LG2022★ 5 cited

Certifiably Robust Policy Learning against Adversarial Communication in Multi-agent Systems

Yanchao Sun, Ruijie Zheng, Parisa Hassanzadeh +4

Communication is important in many multi-agent reinforcement learning (MARL) problems for agents to share information and make good decisions. However, when deploying trained commu…

cs.LG2021★ 15 cited

Who Is the Strongest Enemy? Towards Optimal and Efficient Evasion Attacks in Deep RL

Yanchao Sun, Ruijie Zheng, Yongyuan Liang +1

Evaluating the worst-case performance of a reinforcement learning (RL) agent under the strongest/optimal adversarial perturbations on state observations (within some constraints) i…

cs.LG2021★ 1 cited

InstantNet: Automated Generation and Deployment of Instantaneously Switchable-Precision Networks

Yonggan Fu, Zhongzhi Yu, Yongan Zhang +6

The promise of Deep Neural Network (DNN) powered Internet of Thing (IoT) devices has motivated a tremendous demand for automated solutions to enable fast development and deployment…

cs.LG2020★ 1 cited

FDNAS: Improving Data Privacy and Model Diversity in AutoML

Chunhui Zhang, Yongyuan Liang, Xiaoming Yuan +1

To prevent the leakage of private information while enabling automated machine intelligence, there is an emerging trend to integrate federated learning and Neural Architecture Sear…

cs.AI2020★ 7 cited

Parallel Knowledge Transfer in Multi-Agent Reinforcement Learning

Yongyuan Liang, Bangwei Li

Multi-agent reinforcement learning is a standard framework for modeling multi-agent interactions applied in real-world scenarios. Inspired by experience sharing in human groups, le…