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Realistic network traffic simulation is critical for evaluating intrusion detection systems, stress-testing network protocols, and constructing high-fidelity environments for cybersecurity training. While attack traffic can often be layered…

Cryptography and Security · Computer Science 2026-01-23 Kristen Moore , Diksha Goel , Cody James Christopher , Zhen Wang , Minjune Kim , Ahmed Ibrahim , Ahmad Mohsin , Seyit Camtepe

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…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Hao Cheng , Wentong Liao , Michael Ying Yang , Monika Sester , Bodo Rosenhahn

As a cost-effective and robust technology, automotive radar has seen steady improvement during the last years, making it an appealing complement to commonly used sensors like camera and LiDAR in autonomous driving. Radio frequency data with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Yuzhi Wu , Jun Liu , Guangfeng Jiang , Weijian Liu , Danilo Orlando

Tactile signals collected by wearable electronics are essential in modeling and understanding human behavior. One of the main applications of tactile signals is action classification, especially in healthcare and robotics. However, existing…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jimmy Lin , Junkai Li , Jiasi Gao , Weizhi Ma , Yang Liu

In this work we propose a multi-task spatio-temporal network, called SUSiNet, that can jointly tackle the spatio-temporal problems of saliency estimation, action recognition and video summarization. Our approach employs a single network…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Petros Koutras , Petros Maragos

Transformer networks are effective at modeling long-range contextual information and have recently demonstrated exemplary performance in the natural language processing domain. Conventionally, the temporal action proposal generation (TAPG)…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Lining Wang , Haosen Yang , Wenhao Wu , Hongxun Yao , Hujie Huang

Recent two-stream deep Convolutional Neural Networks (ConvNets) have made significant progress in recognizing human actions in videos. Despite their success, methods extending the basic two-stream ConvNet have not systematically explored…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Chih-Yao Ma , Min-Hung Chen , Zsolt Kira , Ghassan AlRegib

In recent years, traffic flow prediction has played a crucial role in the management of intelligent transportation systems. However, traditional prediction methods are often limited by static spatial modeling, making it difficult to…

Machine Learning · Computer Science 2025-01-09 Mei Wu , Wenchao Weng , Jun Li , Yiqian Lin , Jing Chen , Dewen Seng

Video-based person re-identification aims to match a specific pedestrian in surveillance videos across different time and locations. Human attributes and appearance are complementary to each other, both of them contribute to pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Jiawei Liu , Xierong Zhu , Zheng-Jun Zha

Spatio-temporal action localization is an important problem in computer vision that involves detecting where and when activities occur, and therefore requires modeling of both spatial and temporal features. This problem is typically…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Nakul Agarwal , Yi-Ting Chen , Behzad Dariush , Ming-Hsuan Yang

In this paper, we introduce the Temporal Audio Source Counting Network (TaCNet), an innovative architecture that addresses limitations in audio source counting tasks. TaCNet operates directly on raw audio inputs, eliminating complex…

Although various image-based domain adaptation (DA) techniques have been proposed in recent years, domain shift in videos is still not well-explored. Most previous works only evaluate performance on small-scale datasets which are saturated.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Min-Hung Chen , Zsolt Kira , Ghassan AlRegib , Jaekwon Yoo , Ruxin Chen , Jian Zheng

Dynamic computation has emerged as a promising avenue to enhance the inference efficiency of deep networks. It allows selective activation of computational units, leading to a reduction in unnecessary computations for each input sample.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Yizeng Han , Zeyu Liu , Zhihang Yuan , Yifan Pu , Chaofei Wang , Shiji Song , Gao Huang

Temporal action localization is an important yet challenging problem. Given a long, untrimmed video consisting of multiple action instances and complex background contents, we need not only to recognize their action categories, but also to…

Computer Vision and Pattern Recognition · Computer Science 2017-06-14 Zheng Shou , Jonathan Chan , Alireza Zareian , Kazuyuki Miyazawa , Shih-Fu Chang

It is a challenging task to identify a person based on her/his gait patterns. State-of-the-art approaches rely on the analysis of temporal or spatial characteristics of gait, and gait recognition is usually performed on single modality data…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Aite Zhao , Junyu Dong , Jianbo Li , Lin Qi , Huiyu Zhou

Activity detection is a fundamental problem in computer vision. Detecting activities of different temporal scales is particularly challenging. In this paper, we propose the contextual multi-scale region convolutional 3D network (CMS-RC3D)…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Yancheng Bai , Huijuan Xu , Kate Saenko , Bernard Ghanem

Automatic detection of students' engagement in online learning settings is a key element to improve the quality of learning and to deliver personalized learning materials to them. Varying levels of engagement exhibited by students in an…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Ali Abedi , Shehroz S. Khan

Sleep staging is fundamental for sleep assessment and disease diagnosis. Although previous attempts to classify sleep stages have achieved high classification performance, several challenges remain open: 1) How to effectively extract…

Machine Learning · Computer Science 2021-05-31 Ziyu Jia , Youfang Lin , Jing Wang , Xuehui Wang , Peiyi Xie , Yingbin Zhang

Spatio-temporal representations in frame sequences play an important role in the task of action recognition. Previously, a method of using optical flow as a temporal information in combination with a set of RGB images that contain spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Myunggi Lee , Seungeui Lee , Sungjoon Son , Gyutae Park , Nojun Kwak

The ability to identify and temporally segment fine-grained human actions throughout a video is crucial for robotics, surveillance, education, and beyond. Typical approaches decouple this problem by first extracting local spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Colin Lea , Michael D. Flynn , Rene Vidal , Austin Reiter , Gregory D. Hager