Search Results for author: Xiaoniu Yang

Found 32 papers, 9 papers with code

WK-Pnet: FM-Based Positioning via Wavelet Packet Decomposition and Knowledge Distillation

no code implementations10 Apr 2025 Shilian Zheng, Quan Lin, Peihan Qi, Luxin Zhang, Xinjiang Qiu, Zhijin Zhao, Xiaoniu Yang

Accurate and efficient positioning in complex environments is critical for applications where traditional satellite-based systems face limitations, such as indoors or urban canyons.

Knowledge Distillation Position

DS-Pnet: FM-Based Positioning via Downsampling

no code implementations10 Apr 2025 Shilian Zheng, Xinjiang Qiu, Luxin Zhang, Quan Lin, Zhijin Zhao, Xiaoniu Yang

In this paper we present DS-Pnet, a novel framework for FM signal-based positioning that addresses the challenges of high computational complexity and limited deployment in resource-constrained environments.

Reassessing Layer Pruning in LLMs: New Insights and Methods

1 code implementation23 Nov 2024 Yao Lu, Hao Cheng, Yujie Fang, Zeyu Wang, Jiaheng Wei, Dongwei Xu, Qi Xuan, Xiaoniu Yang, Zhaowei Zhu

Layer pruning, as a simple yet effective compression method, removes layers of a model directly, reducing computational overhead.

Benchmarking

RedTest: Towards Measuring Redundancy in Deep Neural Networks Effectively

no code implementations15 Nov 2024 Yao Lu, Peixin Zhang, Jingyi Wang, Lei Ma, Xiaoniu Yang, Qi Xuan

To address the problem, we present a novel testing approach, i. e., RedTest, which proposes a novel testing metric called Model Structural Redundancy Score (MSRS) to quantitatively measure the degree of redundancy in a deep learning model structure.

Deep Learning Model Optimization +1

Lateral Movement Detection via Time-aware Subgraph Classification on Authentication Logs

no code implementations15 Nov 2024 Jiajun Zhou, Jiacheng Yao, Xuanze Chen, Shanqing Yu, Qi Xuan, Xiaoniu Yang

The main workflow of this framework proceeds as follows: 1) Construct a heterogeneous multigraph from host authentication log data to strengthen the correlations among internal system entities; 2) Design a time-aware subgraph generator to extract subgraphs centered on authentication events from the heterogeneous authentication multigraph; 3) Design a multi-scale attention encoder that leverages both local and global attention to capture hidden anomalous behavior patterns in the authentication subgraphs, thereby achieving lateral movement detection.

Rethinking Graph Transformer Architecture Design for Node Classification

no code implementations15 Oct 2024 Jiajun Zhou, Xuanze Chen, Chenxuan Xie, Yu Shanqing, Qi Xuan, Xiaoniu Yang

Graph Transformer (GT), as a special type of Graph Neural Networks (GNNs), utilizes multi-head attention to facilitate high-order message passing.

Classification Computational Efficiency +1

Enhancing Ethereum Fraud Detection via Generative and Contrastive Self-supervision

1 code implementation1 Aug 2024 Chenxiang Jin, Jiajun Zhou, Chenxuan Xie, Shanqing Yu, Qi Xuan, Xiaoniu Yang

The rampant fraudulent activities on Ethereum hinder the healthy development of the blockchain ecosystem, necessitating the reinforcement of regulations.

Fraud Detection

A Generic Layer Pruning Method for Signal Modulation Recognition Deep Learning Models

no code implementations12 Jun 2024 Yao Lu, Yutao Zhu, Yuqi Li, Dongwei Xu, Yun Lin, Qi Xuan, Xiaoniu Yang

With the successful application of deep learning in communications systems, deep neural networks are becoming the preferred method for signal classification.

Deep Learning-Based Frequency Offset Estimation

no code implementations8 Nov 2023 Tao Chen, Shilian Zheng, Jiawei Zhu, Qi Xuan, Xiaoniu Yang

In wireless communication systems, the asynchronization of the oscillators in the transmitter and the receiver along with the Doppler shift due to relative movement may lead to the presence of carrier frequency offset (CFO) in the received signals.

Deep Learning

Deep Image Semantic Communication Model for Artificial Intelligent Internet of Things

2 code implementations6 Nov 2023 Li Ping Qian, Yi Zhang, Sikai Lyu, Huijie Zhu, Yuan Wu, Xuemin Sherman Shen, Xiaoniu Yang

Particularly, at the transmitter side, a high-precision image semantic segmentation algorithm is proposed to extract the semantic information of the image to achieve significant compression of the image data.

Generative Adversarial Network Image Compression +3

Can pre-trained models assist in dataset distillation?

1 code implementation5 Oct 2023 Yao Lu, Xuguang Chen, Yuchen Zhang, Jianyang Gu, Tianle Zhang, Yifan Zhang, Xiaoniu Yang, Qi Xuan, Kai Wang, Yang You

Dataset Distillation (DD) is a prominent technique that encapsulates knowledge from a large-scale original dataset into a small synthetic dataset for efficient training.

Dataset Distillation Diversity

AIR: Threats of Adversarial Attacks on Deep Learning-Based Information Recovery

no code implementations17 Aug 2023 Jinyin Chen, Jie Ge, Shilian Zheng, Linhui Ye, Haibin Zheng, Weiguo Shen, Keqiang Yue, Xiaoniu Yang

It can also be found that the DeepReceiver is vulnerable to adversarial perturbations even with very low power and limited PAPR.

Adversarial Attack

PathMLP: Smooth Path Towards High-order Homophily

1 code implementation23 Jun 2023 Jiajun Zhou, Chenxuan Xie, Shengbo Gong, Jiaxu Qian, Shanqing Yu, Qi Xuan, Xiaoniu Yang

However, common practices in GNNs to acquire high-order information mainly through increasing model depth and altering message-passing mechanisms, which, albeit effective to a certain extent, suffer from three shortcomings: 1) over-smoothing due to excessive model depth and propagation times; 2) high-order information is not fully utilized; 3) low computational efficiency.

Computational Efficiency Representation Learning

Subgraph Networks Based Contrastive Learning

no code implementations6 Jun 2023 Jinhuan Wang, Jiafei Shao, Zeyu Wang, Shanqing Yu, Qi Xuan, Xiaoniu Yang

In addition, we also investigate the impact of the second-order subgraph augmentation on mining graph structure interactions, and further, propose a contrastive objective that fuses the first-order and second-order subgraph information.

Attribute Contrastive Learning +3

Clarify Confused Nodes via Separated Learning

1 code implementation4 Jun 2023 Jiajun Zhou, Shengbo Gong, Xuanze Chen, Chenxuan Xie, Shanqing Yu, Qi Xuan, Xiaoniu Yang

A minority of studies attempt to train different node groups separately but suffer from inappropriate separation metrics and low efficiency.

Node Classification

Data Augmentation on Graphs: A Technical Survey

1 code implementation20 Dec 2022 Jiajun Zhou, Chenxuan Xie, Shengbo Gong, Zhenyu Wen, Xiangyu Zhao, Qi Xuan, Xiaoniu Yang

To advance research in this emerging direction, this survey provides a comprehensive review and summary of existing graph data augmentation (GDAug) techniques.

Data Augmentation Graph Representation Learning +1

Mixing Signals: Data Augmentation Approach for Deep Learning Based Modulation Recognition

no code implementations5 Apr 2022 Xinjie Xu, Zhuangzhi Chen, Dongwei Xu, Huaji Zhou, Shanqing Yu, Shilian Zheng, Qi Xuan, Xiaoniu Yang

Data augmentation, as the strategy of expanding dataset, can improve the generalization of the deep learning models and thus improve the accuracy of the models to a certain extent.

Automatic Modulation Recognition Classification +2

Understanding the Dynamics of DNNs Using Graph Modularity

1 code implementation24 Nov 2021 Yao Lu, Wen Yang, Yunzhe Zhang, Zuohui Chen, Jinyin Chen, Qi Xuan, Zhen Wang, Xiaoniu Yang

Specifically, we model the process of class separation of intermediate representations in pre-trained DNNs as the evolution of communities in dynamic graphs.

Feature Engineering

Graph-Based Similarity of Neural Network Representations

1 code implementation22 Nov 2021 Zuohui Chen, Yao Lu, Jinxuan Hu, Wen Yang, Qi Xuan, Zhen Wang, Xiaoniu Yang

Understanding the black-box representations in Deep Neural Networks (DNN) is an essential problem in deep learning.

RGP: Neural Network Pruning through Its Regular Graph Structure

no code implementations28 Oct 2021 Zhuangzhi Chen, Jingyang Xiang, Yao Lu, Qi Xuan, Xiaoniu Yang

In this paper, we study the graph structure of the neural network, and propose regular graph based pruning (RGP) to perform a one-shot neural network pruning.

Network Pruning

Deep Transfer Clustering of Radio Signals

no code implementations26 Jul 2021 Qi Xuan, Xiaohui Li, Zhuangzhi Chen, Dongwei Xu, Shilian Zheng, Xiaoniu Yang

In this letter, we turn to the more challenging problem: can we cluster the modulation types just based on a large number of unlabeled radio signals?

Clustering Deep Clustering +1

GGT: Graph-Guided Testing for Adversarial Sample Detection of Deep Neural Network

no code implementations9 Jul 2021 Zuohui Chen, Renxuan Wang, Jingyang Xiang, Yue Yu, Xin Xia, Shouling Ji, Qi Xuan, Xiaoniu Yang

Deep Neural Networks (DNN) are known to be vulnerable to adversarial samples, the detection of which is crucial for the wide application of these DNN models.

Diversity

Adaptive Visibility Graph Neural Network and It's Application in Modulation Classification

no code implementations16 Jun 2021 Qi Xuan, Kunfeng Qiu, Jinchao Zhou, Zhuangzhi Chen, Dongwei Xu, Shilian Zheng, Xiaoniu Yang

In this paper, we propose an Adaptive Visibility Graph (AVG) algorithm that can adaptively map time series into graphs, based on which we further establish an end-to-end classification framework AVGNet, by utilizing GNN model DiffPool as the classifier.

Avg Graph Neural Network +2

CLPVG: Circular limited penetrable visibility graph as a new network model for time series

no code implementations1 Mar 2021 Qi Xuan, Jinchao Zhou, Kunfeng Qiu, Dongwei Xu, Shilian Zheng, Xiaoniu Yang

Visibility Graph (VG) transforms time series into graphs, facilitating signal processing by advanced graph data mining algorithms.

Clustering EEG +4

DemodNet: Learning Soft Demodulation from Hard Information Using Convolutional Neural Network

no code implementations23 Nov 2020 Shilian Zheng, Xiaoyu Zhou, Shichuan Chen, Peihan Qi, Xiaoniu Yang

The simulation results show that under the AWGN channel, the performance of both hard demodulation and soft demodulation of DemodNet is very close to the traditional methods.

SigNet: A Novel Deep Learning Framework for Radio Signal Classification

no code implementations28 Oct 2020 Zhuangzhi Chen, Hui Cui, Jingyang Xiang, Kunfeng Qiu, Liang Huang, Shilian Zheng, Shichuan Chen, Qi Xuan, Xiaoniu Yang

More interestingly, our proposed models behave extremely well in small-sample learning when only a small training dataset is provided.

Classification Deep Learning +2

DeepReceiver: A Deep Learning-Based Intelligent Receiver for Wireless Communications in the Physical Layer

no code implementations31 Mar 2020 Shilian Zheng, Shichuan Chen, Xiaoniu Yang

In this paper, we propose a new receiver model, namely DeepReceiver, that uses a deep neural network to replace the traditional receiver's entire information recovery process.

Spectrum Sensing Based on Deep Learning Classification for Cognitive Radios

no code implementations13 Sep 2019 Shilian Zheng, Shichuan Chen, Peihan Qi, Huaji Zhou, Xiaoniu Yang

We present spectrum sensing as a classification problem and propose a sensing method based on deep learning classification.

Classification Deep Learning +2

Deep Learning for Large-Scale Real-World ACARS and ADS-B Radio Signal Classification

no code implementations20 Apr 2019 Shichuan Chen, Shilian Zheng, Lifeng Yang, Xiaoniu Yang

In order to verify the performance of the deep learning-based radio signal classification on real-world radio signal data, in this paper we conduct experiments on large-scale real-world ACARS and ADS-B signal data with sample sizes of 900, 000 and 13, 000, 000, respectively, and with categories of 3, 143 and 5, 157 respectively.

Classification Deep Learning +3

GA Based Q-Attack on Community Detection

no code implementations1 Nov 2018 Jinyin Chen, Lihong Chen, Yixian Chen, Minghao Zhao, Shanqing Yu, Qi Xuan, Xiaoniu Yang

In particular, we first give two heuristic attack strategies, i. e., Community Detection Attack (CDA) and Degree Based Attack (DBA), as baselines, utilizing the information of detected community structure and node degree, respectively.

Social and Information Networks

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