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Electrocardiogram (ECG) biometrics have emerged as a promising modality for continuous, liveness-aware authentication in wearable systems. However, many prior studies report overly optimistic results due to data leakage (e.g., random splits…

Machine Learning · Computer Science 2026-05-05 Milad Parvan

The multimodal recommendation has gradually become the infrastructure of online media platforms, enabling them to provide personalized service to users through a joint modeling of user historical behaviors (e.g., purchases, clicks) and item…

Information Retrieval · Computer Science 2024-04-19 Zhiqiang Guo , Jianjun Li , Guohui Li , Chaoyang Wang , Si Shi , Bin Ruan

A central capability of a long-lived reinforcement learning (RL) agent is to incrementally adapt its behavior as its environment changes, and to incrementally build upon previous experiences to facilitate future learning in real-world…

Machine Learning · Computer Science 2021-02-15 Zhi Wang , Chunlin Chen , Daoyi Dong

As mixing services are increasingly being exploited by malicious actors for illicit transactions, mixing address association has emerged as a critical research task. A range of approaches have been explored, with graph-based models standing…

Social and Information Networks · Computer Science 2025-11-18 Xiaofan Tu , Tiantian Duan , Shuyi Miao , Hanwen Zhang , Yi Sun

Multi-robot collaboration is becoming increasingly critical and presents significant challenges in modern robotics, especially for building a globally consistent, accurate map. Traditional multi-robot pose graph optimization (PGO) methods…

Robotics · Computer Science 2026-03-02 Lijie Wang , Xiaoyi Zhong , Ziyi Xu , Kaixin Chai , Anke Zhao , Tianyu Zhao , Changjian Jiang , Qianhao Wang , Fei Gao

Factor graph optimization serves as a fundamental framework for robotic perception, enabling applications such as pose estimation, simultaneous localization and mapping (SLAM), structure-from-motion (SfM), and situational awareness.…

Systems and Control · Electrical Eng. & Systems 2025-03-04 Anas Abdelkarim , Holger Voos , Daniel Görges

Benefiting from its high efficiency and simplicity, Simple Linear Iterative Clustering (SLIC) remains one of the most popular over-segmentation tools. However, due to explicit enforcement of spatial similarity for region continuity, the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Jiaxing Zhao , Ren Bo , Qibin Hou , Ming-Ming Cheng , Paul L. Rosin

We present a visual localization system that learns to estimate camera poses in the real world with the help of synthetic data. Despite significant progress in recent years, most learning-based approaches to visual localization target at a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Qi Yan , Jianhao Zheng , Simon Reding , Shanci Li , Iordan Doytchinov

In-context learning (ICL) enables Large Vision-Language Models (LVLMs) to adapt to new tasks without parameter updates, using a few demonstrations from a large support set. However, selecting informative demonstrations leads to high…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Huiyi Chen , Jiawei Peng , Kaihua Tang , Xin Geng , Xu Yang

Worldwide geolocalization aims to locate the precise location at the coordinate level of photos taken anywhere on the Earth. It is very challenging due to 1) the difficulty of capturing subtle location-aware visual semantics, and 2) the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Pengyue Jia , Yiding Liu , Xiaopeng Li , Yuhao Wang , Yantong Du , Xiao Han , Xuetao Wei , Shuaiqiang Wang , Dawei Yin , Xiangyu Zhao

This paper presents a real-time 3D LiDAR mapping framework based on global matching cost minimization. The proposed method constructs a factor graph that directly minimizes matching costs between frames over the entire map, unlike pose…

Robotics · Computer Science 2023-12-27 Kenji Koide , Masashi Yokozuka , Shuji Oishi , Atsuhiko Banno

Scene coordinate regression achieves impressive results in outdoor LiDAR localization but requires days of training. Since training needs to be repeated for each new scene, long training times make these methods impractical for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Wen Li , Chen Liu , Shangshu Yu , Dunqiang Liu , Yin Zhou , Siqi Shen , Chenglu Wen , Cheng Wang

Accurate localization of mobile terminals is crucial for integrated sensing and communication systems. Existing fingerprint localization methods, which deduce coordinates from channel information in pre-defined rectangular areas, struggle…

Information Theory · Computer Science 2024-11-26 Bohao Wang , Fenghao Zhu , Mengbing Liu , Chongwen Huang , Qianqian Yang , Ahmed Alhammadi , Zhaoyang Zhang , Mérouane Debbah

Continuous-time dynamic graph modeling is a crucial task for many real-world applications, such as financial risk management and fraud detection. Though existing dynamic graph modeling methods have achieved satisfactory results, they still…

Machine Learning · Computer Science 2023-09-06 Siwei Zhang , Yun Xiong , Yao Zhang , Xixi Wu , Yiheng Sun , Jiawei Zhang

This paper presents an innovative approach to 3D mixed-size placement in heterogeneous face-to-face (F2F) bonded 3D ICs. We propose an analytical framework that utilizes a dedicated density model and a bistratal wirelength model,…

Hardware Architecture · Computer Science 2024-08-14 Yuxuan Zhao , Peiyu Liao , Siting Liu , Jiaxi Jiang , Yibo Lin , Bei Yu

The burgeoning presence of Large Language Models (LLM) is propelling the development of personalized recommender systems. Most existing LLM-based methods fail to sufficiently explore the multi-view graph structure correlations inherent in…

Information Retrieval · Computer Science 2025-07-30 Xu Guo , Tong Zhang , Yuanzhi Wang , Chenxu Wang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

It is a key to construct a similarity graph in graph-oriented subspace learning and clustering. In a similarity graph, each vertex denotes a data point and the edge weight represents the similarity between two points. There are two popular…

Machine Learning · Computer Science 2017-05-17 Liangli Zhen , Zhang Yi , Xi Peng , Dezhong Peng

Single-molecule localization microscopy (SMLM) surpasses the diffraction limit, achieving subcellular resolution. Traditional SMLM analysis methods often rely on point spread function (PSF) model fitting, limiting the application of complex…

Quantitative Methods · Quantitative Biology 2024-10-04 Tingdan Luo

Federated Long-Tailed Learning (Fed-LT), a paradigm wherein data collected from decentralized local clients manifests a globally prevalent long-tailed distribution, has garnered considerable attention in recent times. In the context of…

Machine Learning · Computer Science 2024-03-11 Zikai Xiao , Zihan Chen , Liyinglan Liu , Yang Feng , Jian Wu , Wanlu Liu , Joey Tianyi Zhou , Howard Hao Yang , Zuozhu Liu

Geometry problem-solving remains a significant challenge for Large Multimodal Models (LMMs), requiring not only global shape recognition but also attention to intricate local relationships related to geometric theory. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Linger Deng , Yuliang Liu , Wenwen Yu , Zujia Zhang , Jianzhong Ju , Zhenbo Luo , Xiang Bai