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Signal processing is a fundamental component of almost any sensor-enabled system, with a wide range of applications across different scientific disciplines. Time series data, images, and video sequences comprise representative forms of…

Sensor signals acquired in the industrial process contain rich information which can be analyzed to facilitate effective monitoring of the process, early detection of system anomalies, quick diagnosis of fault root causes, and intelligent…

信号处理 · 电气工程与系统科学 2020-05-27 Feng Ye , Zhijie Xia , Min Dai , Zhisheng Zhang

The increasing size of input graphs for graph neural networks (GNNs) highlights the demand for using multi-GPU platforms. However, existing multi-GPU GNN systems optimize the computation and communication individually based on the…

分布式、并行与集群计算 · 计算机科学 2023-06-28 Yuke Wang , Boyuan Feng , Zheng Wang , Tong Geng , Kevin Barker , Ang Li , Yufei Ding

In a multi-user millimeter (mm) wave communication system, we consider the problem of estimating the channel response between the central node (base station) and each of the user equipments (UE). We propose three different strategies: 1)…

信息论 · 计算机科学 2017-03-17 Manoj A , Arun Pachai Kannu

Click-through rate prediction plays an important role in the field of recommender system and many other applications. Existing methods mainly extract user interests from user historical behaviors. However, behavioral sequences only contain…

信息检索 · 计算机科学 2021-09-28 Yunfei Chu , Xiaofu Chang , Kunyang Jia , Jingzhen Zhou , Hongxia Yang

The revolution of World Wide Web (WWW) and smart-phone technologies have been the key-factor behind remarkable success of social networks. With the ease of availability of check-in data, the location-based social networks (LBSN) (e.g.,…

信息检索 · 计算机科学 2018-03-06 Ramesh Baral , Tao Li , XiaoLong Zhu

Recent works have developed a simple and robust myopic sensing policy for multi-channel opportunistic communication systems where a secondary user (SU) can access one of N i.i.d. Markovian channels. The optimality of the myopic sensing…

信息论 · 计算机科学 2011-03-10 Kehao Wang , Lin Chen

Modern recommender systems often embed users and items into low-dimensional latent representations, based on their observed interactions. In practical recommendation scenarios, users often exhibit various intents which drive them to…

信息检索 · 计算机科学 2022-03-29 Lianghao Xia , Yong Xu , Chao Huang , Peng Dai , Liefeng Bo

Recently, diffusion probabilistic models have attracted attention in generative time series forecasting due to their remarkable capacity to generate high-fidelity samples. However, the effective utilization of their strong modeling ability…

机器学习 · 计算机科学 2024-03-19 Xinyao Fan , Yueying Wu , Chang Xu , Yuhao Huang , Weiqing Liu , Jiang Bian

In real-world applications of human pose estimation, low-resolution input images are frequently encountered when the performance of the image acquisition equipment is limited or the shooting distance is too far. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Zejun Gu , Zhong-Qiu Zhao , Hao Shen , Zhao Zhang

We introduce a new Markov-Chain Monte Carlo (MCMC) approach designed for efficient sampling of highly correlated and multimodal posteriors. Parallel tempering, though effective, is a costly technique for sampling such posteriors. Our…

天体物理仪器与方法 · 物理学 2014-10-01 Benjamin Farr , Vicky Kalogera , Erik Luijten

Many previous studies aim to augment collaborative filtering with deep neural network techniques, so as to achieve better recommendation performance. However, most existing deep learning-based recommender systems are designed for modeling…

信息检索 · 计算机科学 2022-03-29 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Mengyin Lu , Liefeng Bo

Multimodality and multichannel monitoring have become increasingly popular and accessible in engineering, Internet of Things, wearable devices, and biomedical applications. In these contexts, given the diverse and complex nature of data…

信息论 · 计算机科学 2023-12-29 Reza Sameni

We present our solution to the MiGA Challenge at IJCAI 2025, which aims to recognize micro-gestures (MGs) from skeleton sequences for the purpose of hidden emotion understanding. MGs are characterized by their subtlety, short duration, and…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Hao Xu , Lechao Cheng , Yaxiong Wang , Shengeng Tang , Zhun Zhong

Fine-grained visual classification (FGVC) is much more challenging than traditional classification tasks due to the inherently subtle intra-class object variations. Recent works mainly tackle this problem by focusing on how to locate the…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Ruoyi Du , Dongliang Chang , Ayan Kumar Bhunia , Jiyang Xie , Zhanyu Ma , Yi-Zhe Song , Jun Guo

GUI grounding aims to align natural language instructions with precise regions in complex user interfaces. Advanced multimodal large language models show strong ability in visual GUI grounding but still struggle with small or visually…

人工智能 · 计算机科学 2025-12-02 Aiden Yiliu Li , Bizhi Yu , Daoan Lei , Tianhe Ren , Shilong Liu

Multi-criteria (MC) recommender systems, which utilize MC rating information for recommendation, are increasingly widespread in various e-commerce domains. However, the MC recommendation using training-based collaborative filtering,…

信息检索 · 计算机科学 2025-02-14 Jin-Duk Park , Jaemin Yoo , Won-Yong Shin

Graph neural networks (GNN) has been demonstrated to be effective in classifying graph structures. To further improve the graph representation learning ability, hierarchical GNN has been explored. It leverages the differentiable pooling to…

社会与信息网络 · 计算机科学 2019-12-19 Kaixiong Zhou , Qingquan Song , Xiao Huang , Daochen Zha , Na Zou , Xia Hu

Point-of-interest (POI) recommendation that suggests new places for users to visit arises with the popularity of location-based social networks (LBSNs). Due to the importance of POI recommendation in LBSNs, it has attracted much academic…

信息检索 · 计算机科学 2016-07-05 Shenglin Zhao , Irwin King , Michael R. Lyu

Cross-Domain Recommendation (CDR) has been widely investigated for solving long-standing data sparsity problem via knowledge sharing across domains. In this paper, we focus on the Multi-Modal Cross-Domain Recommendation (MMCDR) problem…

信息检索 · 计算机科学 2025-02-25 Weiming Liu , Chaochao Chen , Jiahe Xu , Xinting Liao , Fan Wang , Xiaolin Zheng , Zhihui Fu , Ruiguang Pei , Jun Wang