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Home/Authors/Lei Zhang

Lei Zhang

14 indexed papers

Recent (6 mo)
14
With code
0
Influential cites
0
Benchmarked
0

Publications per year

14
26

Top categories

AI×8Crypto×8Networking×4NLP×3Software Eng.×3Multimedia×3ML×2Vision×2

Frequent co-authors

Xiaowei Fu3×
Maksuda Bilkis Baby2×
Khushika Shah2×
Naiyue Liang2×
Fuxiang Huang2×
Hanlei Zhang1×

Research Timeline

2026
Security and Privacy in O-RAN for 6G: A Comprehensive Review of Threats and Mitigation Approaches

This paper provides a comprehensive review of the security vulnerabilities and privacy challenges inherent in the Open Radio Access Network (O-RAN) architecture for the 6G era, systematically categorizing threats and reviewing mitigation strategies.

Mean Masked Autoencoder with Flow-Mixing for Encrypted Traffic Classification

The paper proposes Mean MAE (MMAE), a novel self-supervised pre-training framework that uses flow mixing and teacher-student distillation to improve encrypted traffic classification by capturing multi-granularity context.

TrafficMoE: Heterogeneity-aware Mixture of Experts for Encrypted Traffic Classification

TrafficMoE proposes a Disentangle-Filter-Aggregate (DFA) framework using sparse Mixture-of-Experts to improve encrypted traffic classification by separating header and payload features and adaptively fusing them.

Multimodal Reasoning with LLM for Encrypted Traffic Interpretation: A Benchmark

The paper introduces a new benchmark (BGTD) and a multimodal framework (mmTraffic) that enables explainable, evidence-grounded interpretation of encrypted network traffic using LLMs.

Semantics-Based Verification of an Implemented Shor Oracle for ECDLP in Qrisp

The paper introduces a semantics-first verification framework for an implemented Shor oracle for ECDLP in Qrisp, demonstrating that even seemingly correct implementations can fail due to subtle control law violations.

LITMUS: Benchmarking Behavioral Jailbreaks of LLM Agents in Real OS Environments

The paper introduces LITMUS, a novel benchmark that rigorously tests LLM agents for dangerous, physical-layer behavioral jailbreaks in real OS environments, revealing that current agents frequently execute high-risk operations despite safety guardrails.

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.

TunerDiT: Training-free Progressive Steering of Diffusion Transformer for Multi-Event Video Generation

TunerDiT introduces a training-free progressive steering method to enhance multi-event video generation using Diffusion Transformers, achieving state-of-the-art performance by explicitly managing event boundaries and cross-event semantics.

Separating Secrets from Placeholders: A Hybrid CNN-CodeBERT Framework for Three-Class Credential Leakage Detection

The paper proposes a novel hybrid CNN-CodeBERT framework for three-class credential leakage detection, significantly improving accuracy by explicitly distinguishing genuine secrets from weak or placeholder credentials.

Separating Secrets from Placeholders: A Hybrid CNN-CodeBERT Framework for Three-Class Credential Leakage Detection

The paper introduces a hybrid CNN-CodeBERT framework for three-class credential leakage detection, significantly improving accuracy by explicitly distinguishing genuine secrets from non-secret placeholders.

Harvesting AI Computation at the Edge via Generic Approximation

The paper proposes a framework to harvest unused computation resources on AI chips for general-purpose tasks using neural architecture search and approximation techniques.

ERA: Entropy-Guided Visual Token Pruning with Rectified Attention for Efficient MLLMs

This paper proposes ERA, a framework for efficient multimodal large language models using entropy-guided visual token pruning, rectified attention, and bias-aware token recycling.

Cross-Tokenizer On-Policy Distillation via Byte-Prefix Marginalization

This paper introduces Byte-Prefix Marginalization (BPM), a method for consolidating open-weight language models through on-policy distillation while preserving teacher probability mass and maintaining a shared byte space.

Expose Your Disguise: Recovering Source Speaker Identity From Voice Conversion

The paper proposes TRIDENT, a framework to restore a source speaker's identity from converted audio using a three-pronged architecture.

Highlighted terms show continued research focus across papers

Papers

cs.SDeess.ASEmpiricalRecentJul 26, 2026

Expose Your Disguise: Recovering Source Speaker Identity From Voice Conversion

Hanlei Zhang, Zhongming Ma, Mingyang Zhang, Tengfei Liu +2 more

The paper proposes TRIDENT, a framework to restore a source speaker's identity from converted audio using a three-pronged architecture.

View →
cs.LGcs.AIcs.CLEmpirical
Recent
Jul 24, 2026

Cross-Tokenizer On-Policy Distillation via Byte-Prefix Marginalization

Hao Wang, Kun Yuan, Wenlin Zhong, Minglei Zhang +3 more

This paper introduces Byte-Prefix Marginalization (BPM), a method for consolidating open-weight language models through on-policy distillation while preserving teacher probability mass and maintaining…

View →
cs.CVEmpiricalRecentJun 30, 2026

ERA: Entropy-Guided Visual Token Pruning with Rectified Attention for Efficient MLLMs

Yuhao Wang, Mu Qiao, Haiwen Diao, Yunzhi Zhuge +4 more

This paper proposes ERA, a framework for efficient multimodal large language models using entropy-guided visual token pruning, rectified attention, and bias-aware token recycling.

View →
cs.ARcs.LGEmpiricalRecentJun 28, 2026

Harvesting AI Computation at the Edge via Generic Approximation

Yihan Wang, Huiru Yan, Luxin Zhang, Long Cheng +5 more

The paper proposes a framework to harvest unused computation resources on AI chips for general-purpose tasks using neural architecture search and approximation techniques.

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 →
cs.CVcs.AIRecentMay 29, 2026

TunerDiT: Training-free Progressive Steering of Diffusion Transformer for Multi-Event Video Generation

Ruotong Liao, Guowen Huang, Qing Cheng, Guangyao Zhai +5 more

TunerDiT introduces a training-free progressive steering method to enhance multi-event video generation using Diffusion Transformers, achieving state-of-the-art performance by explicitly managing even…

View →
cs.SEcs.AIcs.CRRecentMay 29, 2026

Separating Secrets from Placeholders: A Hybrid CNN-CodeBERT Framework for Three-Class Credential Leakage Detection

Maksuda Bilkis Baby, Khushika Shah, Naiyue Liang, Lei Zhang

The paper proposes a novel hybrid CNN-CodeBERT framework for three-class credential leakage detection, significantly improving accuracy by explicitly distinguishing genuine secrets from weak or placeh…

View →
cs.SEcs.AIcs.CRRecentMay 29, 2026

Separating Secrets from Placeholders: A Hybrid CNN-CodeBERT Framework for Three-Class Credential Leakage Detection

Maksuda Bilkis Baby, Khushika Shah, Naiyue Liang, Lei Zhang

The paper introduces a hybrid CNN-CodeBERT framework for three-class credential leakage detection, significantly improving accuracy by explicitly distinguishing genuine secrets from non-secret placeho…

View →
cs.CRcs.CLRecentMay 11, 2026

LITMUS: Benchmarking Behavioral Jailbreaks of LLM Agents in Real OS Environments

Chiyu Zhang, Huiqin Yang, Bendong Jiang, Xiaolei Zhang +7 more

The paper introduces LITMUS, a novel benchmark that rigorously tests LLM agents for dangerous, physical-layer behavioral jailbreaks in real OS environments, revealing that current agents frequently ex…

View →
cs.SEcs.CRquant-phRecentMay 1, 2026

Semantics-Based Verification of an Implemented Shor Oracle for ECDLP in Qrisp

Lei Zhang, Zhiyuan Chen

The paper introduces a semantics-first verification framework for an implemented Shor oracle for ECDLP in Qrisp, demonstrating that even seemingly correct implementations can fail due to subtle contro…

View →
cs.CRcs.AIcs.MMRecentApr 9, 2026

Multimodal Reasoning with LLM for Encrypted Traffic Interpretation: A Benchmark

Longgang Zhang, Xiaowei Fu, Fuxiang Huang, Lei Zhang

The paper introduces a new benchmark (BGTD) and a multimodal framework (mmTraffic) that enables explainable, evidence-grounded interpretation of encrypted network traffic using LLMs.

View →
cs.CRcs.AIcs.MMRecentMar 31, 2026

Mean Masked Autoencoder with Flow-Mixing for Encrypted Traffic Classification

Xiao Liu, Xiaowei Fu, Fuxiang Huang, Lei Zhang

The paper proposes Mean MAE (MMAE), a novel self-supervised pre-training framework that uses flow mixing and teacher-student distillation to improve encrypted traffic classification by capturing multi…

View →
cs.CRcs.AIcs.MMRecentMar 31, 2026

TrafficMoE: Heterogeneity-aware Mixture of Experts for Encrypted Traffic Classification

Qing He, Xiaowei Fu, Lei Zhang

TrafficMoE proposes a Disentangle-Filter-Aggregate (DFA) framework using sparse Mixture-of-Experts to improve encrypted traffic classification by separating header and payload features and adaptively…

View →
cs.CRcs.NIRecentMar 22, 2026

Security and Privacy in O-RAN for 6G: A Comprehensive Review of Threats and Mitigation Approaches

Lujia Liang, Lei Zhang

This paper provides a comprehensive review of the security vulnerabilities and privacy challenges inherent in the Open Radio Access Network (O-RAN) architecture for the 6G era, systematically categori…

View →