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Graph Convolution Network (GCN) has been recognized as one of the most effective graph models for semi-supervised learning, but it extracts merely the first-order or few-order neighborhood information through information propagation, which…

Machine Learning · Computer Science 2019-11-13 Songtao Liu , Lingwei Chen , Hanze Dong , Zihao Wang , Dinghao Wu , Zengfeng Huang

The combination of the traditional convolutional network (i.e., an auto-encoder) and the graph convolutional network has attracted much attention in clustering, in which the auto-encoder extracts the node attribute feature and the graph…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Zhihao Peng , Hui Liu , Yuheng Jia , Junhui Hou

Due to its safety-critical property, the image-based diagnosis is desired to achieve robustness on out-of-distribution (OOD) samples. A natural way towards this goal is capturing only clinically disease-related features, which is composed…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Churan Wang , Jing Li , Xinwei Sun , Fandong Zhang , Yizhou Yu , Yizhou Wang

Recent studies have shown that Graph Convolutional Networks (GCNs) are vulnerable to adversarial attacks on the graph structure. Although multiple works have been proposed to improve their robustness against such structural adversarial…

Machine Learning · Computer Science 2021-09-14 Liang Chen , Jintang Li , Qibiao Peng , Yang Liu , Zibin Zheng , Carl Yang

This paper proposes passive WiFi indoor localization. Instead of using WiFi signals received by mobile devices as fingerprints, we use signals received by routers to locate the mobile carrier. Consequently, software installation on the…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Minh Tu Hoang , Brosnan Yuen , Kai Ren , Ahmed Elmoogy , Xiaodai Dong , Tao Lu , Hung Le Nguyen Robert Westendorp , Kishore Reddy Tarimala

Recent advancements in deep neural networks for graph-structured data have led to state-of-the-art performance on recommender system benchmarks. In this work, we present a Graph Convolutional Network (GCN) algorithm SWAG (Sample Weight and…

Information Retrieval · Computer Science 2020-08-24 Amit Pande , Kai Ni , Venkataramani Kini

In this paper, we develop a novel Backtrackless Aligned-Spatial Graph Convolutional Network (BASGCN) model to learn effective features for graph classification. Our idea is to transform arbitrary-sized graphs into fixed-sized backtrackless…

Machine Learning · Computer Science 2020-09-08 Lu Bail , Lixin Cui , Yuhang Jiao , Luca Rossi , Edwin R. Hancock

Recent years have witnessed the deployment of adversarial attacks to evaluate the robustness of Neural Networks. Past work in this field has relied on traditional optimization algorithms that ignore the inherent structure of the problem and…

Machine Learning · Computer Science 2021-06-01 Florian Jaeckle , M. Pawan Kumar

In recent years, Generative Adversarial Networks (GAN) have emerged as a powerful method for learning the mapping from noisy latent spaces to realistic data samples in high-dimensional space. So far, the development and application of GANs…

Machine Learning · Statistics 2018-01-30 Atanas Mirchev , Seyed-Ahmad Ahmadi

Accurate temporal segmentation of human actions is critical for intelligent robots in collaborative settings, where a precise understanding of sub-activity labels and their temporal structure is essential. However, the inherent noise in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Hao Xing , Kai Zhe Boey , Yuankai Wu , Darius Burschka , Gordon Cheng

While fingerprinting localization is favored for its effectiveness, it is hindered by high data acquisition costs and the inaccuracy of static database-based estimates. Addressing these issues, this letter presents an innovative indoor…

Machine Learning · Computer Science 2024-01-12 Jiyu Jiao , Xiaojun Wang , Chenpei Han , Yuhua Huang , Yizhuo Zhang

Recently, several methods based on generative adversarial network (GAN) have been proposed for the task of aligning cross-domain images or learning a joint distribution of cross-domain images. One of the methods is to use conditional GAN…

Computer Vision and Pattern Recognition · Computer Science 2017-07-06 Xudong Mao , Qing Li , Haoran Xie

Graph neural networks frequently encounter significant performance degradation when confronted with structural noise or non-homophilous topologies. To address these systemic vulnerabilities, we present AdvSynGNN, a comprehensive…

Machine Learning · Computer Science 2026-04-14 Rong Fu , Muge Qi , Chunlei Meng , Shuo Yin , Kun Liu , Zhaolu Kang , Simon Fong

Wi-Fi fingerprinting is widely applied for indoor localization due to the widespread availability of Wi-Fi devices. However, traditional methods are not ideal for multi-building and multi-floor environments due to the scalability issues.…

Machine Learning · Computer Science 2024-07-19 Sihao Li , Zhe Tang , Kyeong Soo Kim , Jeremy S. Smith

RF fingerprinting leverages circuit-level variability of transmitters to identify them using signals they send. Signals used for identification are impacted by a wireless channel and receiver circuitry, creating additional impairments that…

Signal Processing · Electrical Eng. & Systems 2022-01-13 Samer Hanna , Samurdhi Karunaratne , Danijela Cabric

Traffic prediction is the cornerstone of an intelligent transportation system. Accurate traffic forecasting is essential for the applications of smart cities, i.e., intelligent traffic management and urban planning. Although various methods…

Machine Learning · Computer Science 2021-05-04 Fuxian Li , Jie Feng , Huan Yan , Guangyin Jin , Depeng Jin , Yong Li

Graph representation learning aims to encode all nodes of a graph into low-dimensional vectors that will serve as input of many compute vision tasks. However, most existing algorithms ignore the existence of inherent data distribution and…

Machine Learning · Computer Science 2020-08-04 Shuai Zheng , Zhenfeng Zhu , Xingxing Zhang , Zhizhe Liu , Jian Cheng , Yao Zhao

WiFi-based smart human sensing technology enabled by Channel State Information (CSI) has received great attention in recent years. However, CSI-based sensing systems suffer from performance degradation when deployed in different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Dazhuo Wang , Jianfei Yang , Wei Cui , Lihua Xie , Sumei Sun

We consider the problem of learning latent features (aka embedding) for users and items in a recommendation setting. Given only a user-item interaction graph, the goal is to recommend items for each user. Traditional approaches employ…

Information Retrieval · Computer Science 2021-02-17 Rahul Ragesh , Sundararajan Sellamanickam , Vijay Lingam , Arun Iyer , Ramakrishna Bairi

We consider the broad class of decentralized optimal resource allocation problems in wireless networks, which can be formulated as a constrained statistical learning problems with a localized information structure. We develop the use of…

Signal Processing · Electrical Eng. & Systems 2022-05-11 Zhiyang Wang , Mark Eisen , Alejandro Ribeiro