Search Results for author: Gaolei Li

Found 24 papers, 4 papers with code

AuditVotes: A Framework Towards More Deployable Certified Robustness for Graph Neural Networks

no code implementations29 Mar 2025 Yuni Lai, Yulin Zhu, Yixuan Sun, Yulun Wu, Bin Xiao, Gaolei Li, Jianhua Li, Kai Zhou

This excessive randomization degrades data quality and disrupts prediction consistency, limiting the practical deployment of certifiably robust GNNs in real-world scenarios where both accuracy and robustness are essential.

Computational Efficiency

Splats in Splats: Embedding Invisible 3D Watermark within Gaussian Splatting

no code implementations4 Dec 2024 Yijia Guo, Wenkai Huang, Yang Li, Gaolei Li, Hang Zhang, Liwen Hu, Jianhua Li, Tiejun Huang, Lei Ma

3D Gaussian splatting (3DGS) has demonstrated impressive 3D reconstruction performance with explicit scene representations.

3DGS 3D Reconstruction

Collaborative AI in Sentiment Analysis: System Architecture, Data Prediction and Deployment Strategies

no code implementations17 Oct 2024 Chaofeng Zhang, Jia Hou, Xueting Tan, Gaolei Li, Caijuan Chen

The advancement of large language model (LLM) based artificial intelligence technologies has been a game-changer, particularly in sentiment analysis.

Language Modeling Language Modelling +3

Defense-as-a-Service: Black-box Shielding against Backdoored Graph Models

no code implementations7 Oct 2024 Xiao Yang, Kai Zhou, Yuni Lai, Gaolei Li

With the trend of large graph learning models, business owners tend to employ a model provided by a third party to deliver business services to users.

Backdoor Attack Clustering +2

SFR-GNN: Simple and Fast Robust GNNs against Structural Attacks

no code implementations29 Aug 2024 Xing Ai, Guanyu Zhu, Yulin Zhu, Yu Zheng, Gaolei Li, Jianhua Li, Kai Zhou

Existing efforts are dedicated to purifying the maliciously modified structure or applying adaptive aggregation, thereby enhancing the robustness against adversarial structural attacks.

Contrastive Learning Graph Neural Network +1

MemWarp: Discontinuity-Preserving Cardiac Registration with Memorized Anatomical Filters

1 code implementation10 Jul 2024 Hang Zhang, Xiang Chen, Renjiu Hu, Dongdong Liu, Gaolei Li, Rongguang Wang

In this paper, we address this issue with MemWarp, a learning framework that leverages a memory network to store prototypical information tailored to different anatomical regions.

Image Registration

OpticGAI: Generative AI-aided Deep Reinforcement Learning for Optical Networks Optimization

no code implementations22 Jun 2024 Siyuan Li, Xi Lin, Yaju Liu, Gaolei Li, Jianhua Li

Furthermore, we assess the performance of OpticGAI on two NP-hard optical network problems, Routing and Wavelength Assignment (RWA) and dynamic Routing, Modulation, and Spectrum Allocation (RMSA), to show the feasibility of the AI-generated policy paradigm.

Blocking Deep Reinforcement Learning

Graph Neural Backdoor: Fundamentals, Methodologies, Applications, and Future Directions

no code implementations15 Jun 2024 Xiao Yang, Gaolei Li, Jianhua Li

Graph Neural Networks (GNNs) have significantly advanced various downstream graph-relevant tasks, encompassing recommender systems, molecular structure prediction, social media analysis, etc.

Recommendation Systems Survey

Diffusion-based Reinforcement Learning for Dynamic UAV-assisted Vehicle Twins Migration in Vehicular Metaverses

no code implementations8 Jun 2024 Yongju Tong, Jiawen Kang, Junlong Chen, Minrui Xu, Gaolei Li, Weiting Zhang, Xincheng Yan

In this paper, we propose a dynamic Unmanned Aerial Vehicle (UAV)-assisted VT migration framework in air-ground integrated networks, where UAVs act as aerial edge servers to assist ground RSUs during VT task offloading.

Reinforcement Learning (RL)

Multi-Agent RL-Based Industrial AIGC Service Offloading over Wireless Edge Networks

no code implementations5 May 2024 Siyuan Li, Xi Lin, Hansong Xu, Kun Hua, Xiaomin Jin, Gaolei Li, Jianhua Li

In this paper, we focus on the edge optimization of AIGC task execution and propose GMEL, a generative model-driven industrial AIGC collaborative edge learning framework.

Few-Shot Learning Multi-agent Reinforcement Learning

Spikewhisper: Temporal Spike Backdoor Attacks on Federated Neuromorphic Learning over Low-power Devices

no code implementations27 Mar 2024 Hanqing Fu, Gaolei Li, Jun Wu, Jianhua Li, Xi Lin, Kai Zhou, Yuchen Liu

Federated neuromorphic learning (FedNL) leverages event-driven spiking neural networks and federated learning frameworks to effectively execute intelligent analysis tasks over amounts of distributed low-power devices but also perform vulnerability to poisoning attacks.

Federated Learning

What Makes Good Collaborative Views? Contrastive Mutual Information Maximization for Multi-Agent Perception

1 code implementation15 Mar 2024 Wanfang Su, Lixing Chen, Yang Bai, Xi Lin, Gaolei Li, Zhe Qu, Pan Zhou

The core philosophy of CMiMC is to preserve discriminative information of individual views in the collaborative view by maximizing mutual information between pre- and post-collaboration features while enhancing the efficacy of collaborative views by minimizing the loss function of downstream tasks.

Contrastive Learning Philosophy

On-demand Quantization for Green Federated Generative Diffusion in Mobile Edge Networks

no code implementations7 Mar 2024 Bingkun Lai, Jiayi He, Jiawen Kang, Gaolei Li, Minrui Xu, Tao Zhang, Shengli Xie

Federated learning is a promising technique for effectively training GAI models in mobile edge networks due to its data distribution.

Diversity Federated Learning +1

Adversarial Robustness of Link Sign Prediction in Signed Graphs

no code implementations19 Jan 2024 Jialong Zhou, Xing Ai, Yuni Lai, Tomasz Michalak, Gaolei Li, Jianhua Li, Kai Zhou

To address this limitation, we introduce Balance Augmented-Signed Graph Contrastive Learning (BA-SGCL), an innovative framework that combines contrastive learning with balance augmentation techniques to achieve robust graph representations.

Adversarial Robustness Contrastive Learning +1

Slicer Networks

no code implementations18 Jan 2024 Hang Zhang, Xiang Chen, Rongguang Wang, Renjiu Hu, Dongdong Liu, Gaolei Li

In medical imaging, scans often reveal objects with varied contrasts but consistent internal intensities or textures.

Image Registration Lesion Segmentation +2

Spatially Covariant Image Registration with Text Prompts

1 code implementation27 Nov 2023 Xiang Chen, Min Liu, Rongguang Wang, Renjiu Hu, Dongdong Liu, Gaolei Li, Hang Zhang

Medical images are often characterized by their structured anatomical representations and spatially inhomogeneous contrasts.

Ranked #2 on Image Registration on Unpaired-abdomen-CT (using extra training data)

Computational Efficiency Image Registration +2

Graph Anomaly Detection at Group Level: A Topology Pattern Enhanced Unsupervised Approach

no code implementations2 Aug 2023 Xing Ai, Jialong Zhou, Yulin Zhu, Gaolei Li, Tomasz P. Michalak, Xiapu Luo, Kai Zhou

Graph anomaly detection (GAD) has achieved success and has been widely applied in various domains, such as fraud detection, cybersecurity, finance security, and biochemistry.

Contrastive Learning Fraud Detection +1

Privacy Inference-Empowered Stealthy Backdoor Attack on Federated Learning under Non-IID Scenarios

no code implementations13 Jun 2023 Haochen Mei, Gaolei Li, Jun Wu, Longfei Zheng

In this paper, we propose a novel privacy inference-empowered stealthy backdoor attack (PI-SBA) scheme for FL under non-IID scenarios.

Backdoor Attack Federated Learning

Few-shot Multi-domain Knowledge Rearming for Context-aware Defence against Advanced Persistent Threats

no code implementations13 Jun 2023 Gaolei Li, YuanYuan Zhao, Wenqi Wei, Yuchen Liu

Secondly, to rearm current security strategies, an finetuning-based deployment mechanism is proposed to transfer learned knowledge into the student model, while minimizing the defense cost.

Meta-Learning Scheduling

CATFL: Certificateless Authentication-based Trustworthy Federated Learning for 6G Semantic Communications

no code implementations1 Feb 2023 Gaolei Li, YuanYuan Zhao, Yi Li

Most existing studies on trustworthy FL aim to eliminate data poisoning threats that are produced by malicious clients, but in many cases, eliminating model poisoning attacks brought by fake servers is also an important objective.

Data Poisoning Decoder +4

FocusedCleaner: Sanitizing Poisoned Graphs for Robust GNN-based Node Classification

no code implementations25 Oct 2022 Yulin Zhu, Liang Tong, Gaolei Li, Xiapu Luo, Kai Zhou

Graph Neural Networks (GNNs) are vulnerable to data poisoning attacks, which will generate a poisoned graph as the input to the GNN models.

Adversarial Robustness Data Poisoning +2

Automatically Lock Your Neural Networks When You're Away

no code implementations15 Mar 2021 Ge Ren, Jun Wu, Gaolei Li, Shenghong Li

The smartphone and laptop can be unlocked by face or fingerprint recognition, while neural networks which confront numerous requests every day have little capability to distinguish between untrustworthy and credible users.

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