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In video compression, most of the existing deep learning approaches concentrate on the visual quality of a single frame, while ignoring the useful priors as well as the temporal information of adjacent frames. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Shuaicheng Liu , Chuan Wang , Chen Chen , Bing Zeng

Multiview systems have become a key technology in modern computer vision, offering advanced capabilities in scene understanding and analysis. However, these systems face critical challenges in bandwidth limitations and computational…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Kosta Dakic , Kanchana Thilakarathna , Rodrigo N. Calheiros , Teng Joon Lim

Semi-supervised learning is a challenging problem which aims to construct a model by learning from a limited number of labeled examples. Numerous methods have been proposed to tackle this problem, with most focusing on utilizing the…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Peng Tu , Yawen Huang , Rongrong Ji , Feng Zheng , Ling Shao

Missing data is a pervasive issue in both scientific and engineering tasks, especially for the modeling of spatiotemporal data. This problem attracts many studies to contribute to data-driven solutions. Existing imputation solutions mainly…

机器学习 · 计算机科学 2024-07-26 Tong Nie , Guoyang Qin , Wei Ma , Yuewen Mei , Jian Sun

Traffic forecasting is a core element of intelligent traffic monitoring system. Approaches based on graph neural networks have been widely used in this task to effectively capture spatial and temporal dependencies of road networks. However,…

机器学习 · 计算机科学 2022-03-10 Yaobin Xu , Weitang Liu , Zhongyi Jiang , Zixuan Xu , Tingyun Mao , Lili Chen , Mingwei Zhou

Notably, current intelligent transportation systems rely heavily on accurate traffic forecasting and swift inference provision to make timely decisions. While Graph Convolutional Networks (GCNs) have shown benefits in modeling complex…

机器学习 · 计算机科学 2025-08-12 Zhaoyan Wang , Xiangchi Song , In-Young Ko

Due to network operation and maintenance relying heavily on network traffic monitoring, traffic matrix analysis has been one of the most crucial issues for network management related tasks. However, it is challenging to reliably obtain the…

网络与互联网体系结构 · 计算机科学 2024-12-02 Xinyu Yuan , Yan Qiao , Zhenchun Wei , Zeyu Zhang , Minyue Li , Pei Zhao , Rongyao Hu , Wenjing Li

Traffic matrix measurement is fundamental for datacenter operations, but obtaining complete traffic matrices at scale remains challenging due to the prohibitive cost of global fine-grained measurement and partial observations resulting from…

网络与互联网体系结构 · 计算机科学 2026-05-05 Xiyuan Liu , Zihao Wang , Guanzuo Liu , Xiucheng Tian , Wenting Wei

Event detection has been an important task in transportation, whose task is to detect points in time when large events disrupts a large portion of the urban traffic network. Travel information {Origin-Destination} (OD) matrix data by map…

机器学习 · 计算机科学 2020-12-29 Yue Hu , Ao Qu , Dan Work

Traffic forecasting is essential for the traffic construction of smart cities in the new era. However, traffic data's complex spatial and temporal dependencies make traffic forecasting extremely challenging. Most existing traffic…

机器学习 · 计算机科学 2022-10-03 Wei Zhao , Shiqi Zhang , Bing Zhou , Bei Wang

Learning from electronic health records (EHRs) time series is challenging due to irregular sam- pling, heterogeneous missingness, and the resulting sparsity of observations. Prior self-supervised meth- ods either impute before learning,…

机器学习 · 计算机科学 2026-02-18 Xiao Xiang , David Restrepo , Hyewon Jeong , Yugang Jia , Leo Anthony Celi

Irregular Multivariate Time Series (IMTS) forecasting is challenging due to the unaligned nature of multi-channel signals and the prevalence of extensive missing data. Existing methods struggle to capture reliable temporal patterns from…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Zhangyi Hu , Jiemin Wu , Hua Xu , Mingqian Liao , Ninghui Feng , Bo Gao , Songning Lai , Yutao Yue

The massive growth of network traffic data leads to a large volume of datasets. Labeling these datasets for identifying intrusion attacks is very laborious and error-prone. Furthermore, network traffic data have complex time-varying…

密码学与安全 · 计算机科学 2022-04-11 Amardeep Singh , Julian Jang-Jaccard

Trajectory prediction in urban mixed-traffic zones (a.k.a. shared spaces) is critical for many intelligent transportation systems, such as intent detection for autonomous driving. However, there are many challenges to predict the…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Hao Cheng , Wentong Liao , Michael Ying Yang , Monika Sester , Bodo Rosenhahn

Accurate prediction of traffic flow parameters and real time identification of congestion states are essential for the efficient operation of intelligent transportation systems. This paper proposes a Periodic Pattern Transformer Network…

机器学习 · 计算机科学 2025-06-16 Hongrui Kou , Jingkai Li , Ziyu Wang , Zhouhang Lv , Yuxin Zhang , Cheng Wang

In real-world scenarios, multi-view multi-label learning often encounters the challenge of incomplete training data due to limitations in data collection and unreliable annotation processes. The absence of multi-view features impairs the…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Lian Zhao , Jie Wen , Xiaohuan Lu , Wai Keung Wong , Jiang Long , Wulin Xie

While pre-trained large models have achieved state-of-the-art performance in network traffic analysis, their prohibitive computational costs hinder deployment in real-time, throughput-sensitive network defense environments. This work…

密码学与安全 · 计算机科学 2026-01-05 Jiajun Zhou , Changhui Sun , Meng Shen , Shanqing Yu , Qi Xuan

Autonomous driving is the key technology of intelligent logistics in Industrial Internet of Things (IIoT). In autonomous driving, the appearance of incomplete point clouds losing geometric and semantic information is inevitable owing to…

机器学习 · 计算机科学 2023-07-19 Jingzhi Tu , Gang Mei , Francesco Piccialli

Missing values or data is one popular characteristic of real-world datasets, especially healthcare data. This could be frustrating when using machine learning algorithms on such datasets, simply because most machine learning models perform…

机器学习 · 计算机科学 2024-03-25 Luke Oluwaseye Joel , Wesley Doorsamy , Babu Sena Paul

Traffic classification has a significant impact on maintaining the Quality of Service (QoS) of the network. Since traditional methods heavily rely on feature extraction and large scale labeled data, some recent pre-trained models manage to…

网络与互联网体系结构 · 计算机科学 2025-06-18 Chungang Lin , Yilong Jiang , Weiyao Zhang , Xuying Meng , Tianyu Zuo , Yujun Zhang