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Home/Authors/Feng Li

Feng Li

17 indexed papers

Recent (6 mo)
17
With code
0
Influential cites
0
Benchmarked
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Publications per year

17
26

Top categories

AI×10Crypto×7Vision×5NLP×4Robotics×3ML×3Info Retrieval×1Image and Video Processing×1

Frequent co-authors

Feng Liu4×
Tianyi Xie1×
Haotian Zhang1×
Jinhyung Park1×
Zi Wang1×
Bowen Wen1×

Research Timeline

2026
Safety in Embodied AI: A Survey of Risks, Attacks, and Defenses

This survey provides a comprehensive, structured review of safety research in Embodied AI, analyzing attacks and defenses across the entire embodied pipeline to guide the development of safe, robust, and reliable real-world agents.

Combating Data Laundering in LLM Training

The paper introduces Synthesis Data Reversion (SDR), a method that infers the data laundering transformation used in LLM training and synthesizes queries to restore the detection signals lost when proprietary data is obfuscated.

PragLocker: Protecting Agent Intellectual Property in Untrusted Deployments via Non-Portable Prompts

PragLocker is a novel prompt protection scheme that secures valuable LLM agent prompts against theft and reuse by other proprietary models by making them non-portable.

Still Camouflage, Moving Illusion: View-Induced Trajectory Manipulation in Autonomous Driving

The paper introduces a novel adversarial attack that uses static, view-dependent camouflage on a vehicle to induce consistent feature drift, causing autonomous systems to predict false, yet plausible, trajectories like unnecessary cut-ins.

Hunting Vulnerability Variants in AI Infra: Measurement and Reference-Driven Detection

This paper measures the prevalence of recurring vulnerability patterns (variants) across multiple AI infrastructure repositories and proposes INFRASCOPE, a framework to automatically detect these variants.

Automated Repair of TEE Partitioning Issues via DSL-Guided and LLM-Assisted Patching

The paper introduces TEERepair, a framework that automatically repairs severe security vulnerabilities caused by improper partitioning in Trusted Execution Environments (TEEs) by combining a domain-specific language (DSL) with large language models (LLMs).

On the Learnability of Test-Time Adaptation: A Recovery Complexity Perspective

The paper establishes the first theoretical framework for analyzing the learnability of Test-Time Adaptation (TTA) under non-stationary data streams by introducing Recovery Complexity, which quantifies the long-term reliability of TTA.

Meta-Cognitive Memory Policy Optimization for Long-Horizon LLM Agents

The paper introduces Metacognitive Memory Policy Optimization (MMPO), a novel memory training approach that optimizes LLM memory not based on final task success, but on minimizing epistemic uncertainty in intermediate summaries, significantly improving long-horizon agent performance.

Audio Jailbreaks in Large Audio-Language Models: Taxonomy, Attack-Defense Analysis, and Cost-Aware Evaluation

This paper provides a unified taxonomy and controlled empirical evaluation of jailbreak attacks and defenses for Large Audio Language Models (LALMs), demonstrating that safety evaluation must consider cost and usability alongside success rates.

Towards Localized and Disentangled Knowledge Editing for Multimodal Large Language Models

The paper proposes Localized and Disentangled Knowledge Editing (LDKE), a framework that significantly improves knowledge editing in Multimodal Large Language Models by ensuring edits are both precise and generalize correctly to related contexts.

TRACER: Persistent Regularization for Robust Multimodal Finetuning

The paper introduces TRACER, a novel regularization framework that uses Weighted Moving Average (WMA) distillation to robustly finetune multimodal models, mitigating catastrophic forgetting and improving out-of-distribution performance.

Cross-Lingual Steering for Figurative Language Generation

The paper demonstrates that the internal signals governing figurative language generation are reusable across multiple languages, showing that a steering direction learned in one language can effectively enhance generation in another.

Masking Stale Observations Helps Search Agents -- Until It Doesn't: A Regime Map and Its Mechanism

The paper analyzes observation masking in long-horizon search agents, finding that its effectiveness depends on a complex interaction between the model's capacity and the retriever's strength, exhibiting an inverted-U shaped gain.

Multi-Contrast MRI Motion Correction via Parameter-Informed Disentanglement and Adaptive Experts

The paper proposes a unified, contrast-agnostic framework that uses parameter-informed disentanglement and adaptive experts to robustly correct motion artifacts in MRI across various modalities and severities.

Not All Points Are Equal: Uncertainty-Aware 4D LiDAR Scene Synthesis

The paper introduces U4D, an uncertainty-aware framework that synthesizes 4D LiDAR scenes by prioritizing the reconstruction of geometrically difficult and uncertain regions first, leading to state-of-the-art fidelity and temporal consistency.

GRAIL: Generating Humanoid Loco-Manipulation from 3D Assets and Video Priors

This paper presents GRAIL, a digital generation pipeline that synthesizes human-object interactions for humanoid robots.

DPDL: Towards Differential Privacy Preservation in Decentralized Stochastic Learning on Non-IID Data

The paper proposes DPDL, a novel differential privacy algorithm for decentralized stochastic learning on non-IID data, which uses similarity-based calibration of perturbed cross-gradients to achieve privacy preservation and maintain training efficiency.

Highlighted terms show continued research focus across papers

Papers

cs.RORecentJun 3, 2026

GRAIL: Generating Humanoid Loco-Manipulation from 3D Assets and Video Priors

Tianyi Xie, Haotian Zhang, Jinhyung Park, Zi Wang +16 more

This paper presents GRAIL, a digital generation pipeline that synthesizes human-object interactions for humanoid robots.

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cs.LGcs.CRRecentJun 3, 2026

DPDL: Towards Differential Privacy Preservation in Decentralized Stochastic Learning on Non-IID Data

Yunsheng Yuan, Xue Xiao, Lina Wang, Feng Li

The paper proposes DPDL, a novel differential privacy algorithm for decentralized stochastic learning on non-IID data, which uses similarity-based calibration of perturbed cross-gradients to achieve p…

View →
cs.CVcs.RORecentJun 1, 2026

Not All Points Are Equal: Uncertainty-Aware 4D LiDAR Scene Synthesis

Xiang Xu, Alan Liang, Youquan Liu, Xian Sun +4 more

The paper introduces U4D, an uncertainty-aware framework that synthesizes 4D LiDAR scenes by prioritizing the reconstruction of geometrically difficult and uncertain regions first, leading to state-of…

View →
cs.CLcs.AIcs.IRRecentMay 29, 2026

Masking Stale Observations Helps Search Agents -- Until It Doesn't: A Regime Map and Its Mechanism

Haoxiang Zhang, Qixin Xu, Zhuofeng Li, Lei Zhang +3 more

The paper analyzes observation masking in long-horizon search agents, finding that its effectiveness depends on a complex interaction between the model's capacity and the retriever's strength, exhibit…

View →
eess.IVcs.AIcs.CVRecentMay 29, 2026

Multi-Contrast MRI Motion Correction via Parameter-Informed Disentanglement and Adaptive Experts

Honglin Xiong, Yuxian Tang, Feng Li, Yulin Wang +3 more

The paper proposes a unified, contrast-agnostic framework that uses parameter-informed disentanglement and adaptive experts to robustly correct motion artifacts in MRI across various modalities and se…

View →
cs.AIRecentMay 28, 2026

Meta-Cognitive Memory Policy Optimization for Long-Horizon LLM Agents

Ziyan Liu, Zhezheng Hao, Yeqiu Chen, Hong Wang +6 more

The paper introduces Metacognitive Memory Policy Optimization (MMPO), a novel memory training approach that optimizes LLM memory not based on final task success, but on minimizing epistemic uncertaint…

View →
cs.SDcs.AIcs.CLRecentMay 28, 2026

Audio Jailbreaks in Large Audio-Language Models: Taxonomy, Attack-Defense Analysis, and Cost-Aware Evaluation

Bo-Han Feng, Yu-Hsuan Li Liang, Chien-Feng Liu, You-Hsuan Chang +1 more

This paper provides a unified taxonomy and controlled empirical evaluation of jailbreak attacks and defenses for Large Audio Language Models (LALMs), demonstrating that safety evaluation must consider…

View →
cs.CLcs.AIRecentMay 28, 2026

Towards Localized and Disentangled Knowledge Editing for Multimodal Large Language Models

Leijiang Gu, Zhen Zeng, Feng Li, Xinjian Gao +1 more

The paper proposes Localized and Disentangled Knowledge Editing (LDKE), a framework that significantly improves knowledge editing in Multimodal Large Language Models by ensuring edits are both precise…

View →
cs.LGcs.AIcs.CVRecentMay 28, 2026

TRACER: Persistent Regularization for Robust Multimodal Finetuning

Hesam Asadollahzadeh, Feng Liu, Christopher Leckie, Sarah M. Erfani

The paper introduces TRACER, a novel regularization framework that uses Weighted Moving Average (WMA) distillation to robustly finetune multimodal models, mitigating catastrophic forgetting and improv…

View →
cs.CLRecentMay 28, 2026

Cross-Lingual Steering for Figurative Language Generation

Linfeng Liu, Tiffany Zhan, Louie Hong Yao, Saptarshi Ghosh +1 more

The paper demonstrates that the internal signals governing figurative language generation are reusable across multiple languages, showing that a steering direction learned in one language can effectiv…

View →
cs.LGcs.AIRecentMay 27, 2026

On the Learnability of Test-Time Adaptation: A Recovery Complexity Perspective

Zhi Zhou, Ming Yang, Shi-Yu Tian, Kun-Yang Yu +2 more

The paper establishes the first theoretical framework for analyzing the learnability of Test-Time Adaptation (TTA) under non-stationary data streams by introducing Recovery Complexity, which quantifie…

View →
cs.SEcs.CRRecentMay 21, 2026

Automated Repair of TEE Partitioning Issues via DSL-Guided and LLM-Assisted Patching

Chengyan Ma, Jieke Shi, Ruidong Han, Ye Liu +3 more

The paper introduces TEERepair, a framework that automatically repairs severe security vulnerabilities caused by improper partitioning in Trusted Execution Environments (TEEs) by combining a domain-sp…

View →
cs.CRRecentMay 19, 2026

Hunting Vulnerability Variants in AI Infra: Measurement and Reference-Driven Detection

Tian Dong, Yanjun Chen, Shoufeng Zhang, Huaien Zhang +5 more

This paper measures the prevalence of recurring vulnerability patterns (variants) across multiple AI infrastructure repositories and proposes INFRASCOPE, a framework to automatically detect these vari…

View →
cs.CRcs.CVRecentMay 12, 2026

Still Camouflage, Moving Illusion: View-Induced Trajectory Manipulation in Autonomous Driving

Shuo Ju, Qingzhao Zhang, Huashan Chen, Xuheng Wang +5 more

The paper introduces a novel adversarial attack that uses static, view-dependent camouflage on a vehicle to induce consistent feature drift, causing autonomous systems to predict false, yet plausible,…

View →
cs.CRcs.AIRecentMay 7, 2026

PragLocker: Protecting Agent Intellectual Property in Untrusted Deployments via Non-Portable Prompts

Qinfeng Li, Yuntai Bao, Jianghui Hu, Wenqi Zhang +4 more

PragLocker is a novel prompt protection scheme that secures valuable LLM agent prompts against theft and reuse by other proprietary models by making them non-portable.

View →
cs.CRcs.AIRecentApr 2, 2026

Combating Data Laundering in LLM Training

Muxing Li, Zesheng Ye, Sharon Li, Feng Liu

The paper introduces Synthesis Data Reversion (SDR), a method that infers the data laundering transformation used in LLM training and synthesizes queries to restore the detection signals lost when pro…

View →
cs.CRcs.AIcs.CVRecentMar 28, 2026

Safety in Embodied AI: A Survey of Risks, Attacks, and Defenses

Xiao Li, Xiang Zheng, Yifeng Gao, Xinyu Xia +34 more

This survey provides a comprehensive, structured review of safety research in Embodied AI, analyzing attacks and defenses across the entire embodied pipeline to guide the development of safe, robust,…

View →