中文
相关论文

相关论文: Video traffic identification with novel feature ex…

200 篇论文

Weakly supervised detection of anomalies in surveillance videos is a challenging task. Going beyond existing works that have deficient capabilities to localize anomalies in long videos, we propose a novel glance and focus network to…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Yingxian Chen , Zhengzhe Liu , Baoheng Zhang , Wilton Fok , Xiaojuan Qi , Yik-Chung Wu

Detecting relevant changes in dynamic time series data in a timely manner is crucially important for many data analysis tasks in real-world settings. Change point detection methods have the ability to discover changes in an unsupervised…

人工智能 · 计算机科学 2022-01-19 Kamil Faber , Roberto Corizzo , Bartlomiej Sniezynski , Michael Baron , Nathalie Japkowicz

Unsupervised learning of feature representations is a challenging yet important problem for analyzing a large collection of multimedia data that do not have semantic labels. Recently proposed neural network-based unsupervised learning…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Takahiko Furuya , Ryutarou Ohbuchi

In recent years there has been considerable interest in human action recognition. Several approaches have been developed in order to enhance the automatic video analysis. Although some developments have been achieved by the computer vision…

计算机视觉与模式识别 · 计算机科学 2012-07-09 Núbia Rosa da Silva , Odemir Martinez Bruno

Traditional feature selections need to know the feature space before learning, and online streaming feature selection (OSFS) is proposed to process streaming features on the fly. Existing methods divide features into relevance or…

机器学习 · 计算机科学 2023-03-01 RuiYang Xu , Di Wu , Xin Luo

We propose a new unsupervised anomaly detection method based on the sliced-Wasserstein distance for training data selection in machine learning approaches. Our filtering technique is interesting for decision-making pipelines deploying…

机器学习 · 计算机科学 2025-04-18 Julien Pallage , Antoine Lesage-Landry

High-dimensional feature selection is a central problem in a variety of application domains such as machine learning, image analysis, and genomics. In this paper, we propose graph-based tests as a useful basis for feature selection. We…

统计方法学 · 统计学 2024-08-13 Swarnadip Ghosh , Somabha Mukherjee , Divyansh Agarwal , Yichen He , Mingzhi Song , Xuejiao Pei

Time-series data in application areas such as motion capture and activity recognition is often multi-dimension. In these application areas data typically comes from wearable sensors or is extracted from video. There is a lot of redundancy…

机器学习 · 计算机科学 2021-04-23 Bahavathy Kathirgamanathan , Padraig Cunningham

Feature selection, as a data preprocessing strategy, has been proven to be effective and efficient in preparing data (especially high-dimensional data) for various data mining and machine learning problems. The objectives of feature…

机器学习 · 计算机科学 2018-08-28 Jundong Li , Kewei Cheng , Suhang Wang , Fred Morstatter , Robert P. Trevino , Jiliang Tang , Huan Liu

Network traffic monitoring using IP flows is used to handle the current challenge of analyzing encrypted network communication. Nevertheless, the packet aggregation into flow records naturally causes information loss; therefore, this paper…

机器学习 · 计算机科学 2023-07-26 Josef Koumar , Karel Hynek , Tomáš Čejka

With the rapid development of intelligent transportation system applications, a tremendous amount of multi-view video data has emerged to enhance vehicle perception. However, performing video analytics efficiently by exploiting the…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Kun Yang , Jing Liu , Dingkang Yang , Hanqi Wang , Peng Sun , Yanni Zhang , Yan Liu , Liang Song

Building compact convolutional neural networks (CNNs) with reliable performance is a critical but challenging task, especially when deploying them in real-world applications. As a common approach to reduce the size of CNNs, pruning methods…

机器学习 · 计算机科学 2020-05-26 Hang Li , Chen Ma , Wei Xu , Xue Liu

Feature selection is an important problem in high-dimensional data analysis and classification. Conventional feature selection approaches focus on detecting the features based on a redundancy criterion using learning and feature searching…

计算机视觉与模式识别 · 计算机科学 2012-01-31 Alex Pappachen James , Sima Dimitrijev

In this paper, we study the problem of balancing effectiveness and efficiency in automated feature selection. Feature selection is a fundamental intelligence for machine learning and predictive analysis. After exploring many feature…

机器学习 · 计算机科学 2020-09-17 Wei Fan , Kunpeng Liu , Hao Liu , Pengyang Wang , Yong Ge , Yanjie Fu

Choosing which properties of the data to use as input to multivariate decision algorithms -- a.k.a. feature selection -- is an important step in solving any problem with machine learning. While there is a clear trend towards training…

高能物理 - 唯象学 · 物理学 2022-12-02 Ranit Das , Gregor Kasieczka , David Shih

High impedance fault (HIF) has been a challenging task to detect in distribution networks. On one hand, although several types of HIF models are available for HIF study, they are still not exhibiting satisfactory fault waveforms. On the…

信号处理 · 电气工程与系统科学 2018-08-15 Qiushi Cui , Khalil El-Arroudi , Yang Weng

Network intrusions have become a significant threat in recent years as a result of the increased demand of computer networks for critical systems. Intrusion detection system (IDS) has been widely deployed as a defense measure for computer…

密码学与安全 · 计算机科学 2014-04-01 Ayman I. Madbouly , Amr M. Gody , Tamer M. Barakat

Machine learning models usually assume that a set of feature values used to obtain an output is fixed in advance. However, in many real-world problems, a cost is associated with measuring these features. To address the issue of reducing…

机器学习 · 计算机科学 2025-03-13 Katsumi Takahashi , Koh Takeuchi , Hisashi Kashima

Although multi-view unsupervised feature selection (MUFS) is an effective technology for reducing dimensionality in machine learning, existing methods cannot directly deal with incomplete multi-view data where some samples are missing in…

机器学习 · 计算机科学 2024-01-22 Yanyong Huang , Zongxin Shen , Tianrui Li , Fengmao Lv

Automatic traffic classification is increasingly becoming important in traffic engineering, as the current trend of encrypting transport information (e.g., behind HTTP-encrypted tunnels) prevents intermediate nodes from accessing end-to-end…

机器学习 · 计算机科学 2022-05-03 Saira Bano , Achilles Machumilane , Lorenzo Valerio , Pietro Cassarà , Alberto Gotta