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8,969 Results Found

  • Article
  • Open Access
496 Citations
26,622 Views
17 Pages

Metrics for Polyphonic Sound Event Detection

  • Annamaria Mesaros,
  • Toni Heittola and
  • Tuomas Virtanen

25 May 2016

This paper presents and discusses various metrics proposed for evaluation of polyphonic sound event detection systems used in realistic situations where there are typically multiple sound sources active simultaneously. The system output in this case...

  • Article
  • Open Access
17 Citations
5,770 Views
24 Pages

Event Coverage Detection and Event Source Determination in Underwater Wireless Sensor Networks

  • Zhangbing Zhou,
  • Riliang Xing,
  • Yucong Duan,
  • Yueqin Zhu and
  • Jianming Xiang

15 December 2015

With the advent of the Internet of Underwater Things, smart things are deployed in the ocean space and establish underwater wireless sensor networks for the monitoring of vast and dynamic underwater environments. When events are found to have possibl...

  • Article
  • Open Access
5 Citations
3,647 Views
17 Pages

18 March 2021

Topic Detection and Tracking (TDT) on Twitter emulates human identifying developments in events from a stream of tweets, but while event participants are important for humans to understand what happens during events, machines have no knowledge of the...

  • Systematic Review
  • Open Access
4 Citations
3,764 Views
28 Pages

A Systematic Review of Event-Matching Methods for Complex Event Detection in Video Streams

  • Sepehr Honarparvar,
  • Zahra Bagheri Ashena,
  • Sara Saeedi and
  • Steve Liang

13 November 2024

Complex Event Detection (CED) in video streams involves numerous challenges such as object detection, tracking, spatio–temporal relationship identification, and event matching, which are often complicated by environmental variations, occlusions...

  • Article
  • Open Access
3 Citations
2,638 Views
15 Pages

Hierarchical Attention Neural Network for Event Types to Improve Event Detection

  • Yanliang Jin,
  • Jinjin Ye,
  • Liquan Shen,
  • Yong Xiong,
  • Lele Fan and
  • Qingfu Zang

31 May 2022

Event detection is an important task in the field of natural language processing, which aims to detect trigger words in a sentence and classify them into specific event types. Event detection tasks suffer from data sparsity and event instances imbala...

  • Review
  • Open Access
46 Citations
10,830 Views
18 Pages

15 November 2022

Eye tracking is a technology aimed at understanding the direction of the human gaze. Event detection is a process of detecting and classifying eye movements that are divided into several types. Nowadays, event detection is almost exclusively done by...

  • Article
  • Open Access
2,882 Views
18 Pages

Visualization and Object Detection Based on Event Information

  • Yinghong Fang,
  • Yongjie Piao,
  • Xiaoguang Xie,
  • Miao Li,
  • Xiaodong Li,
  • Haolin Ji,
  • Wei Xu and
  • Tan Gao

7 February 2023

A dynamic vision sensor is an optical sensor that focuses on dynamic changes and outputs event information containing only position, time, and polarity. It has the advantages of high temporal resolution, high dynamic range, low data volume, and low p...

  • Review
  • Open Access
12 Citations
4,915 Views
25 Pages

20 February 2022

The rapid growth of online data has made it very convenient for people to obtain information. However, it also leads to the problem of “information overload”. Therefore, how to detect hot events from the massive amount of information has...

  • Article
  • Open Access
11 Citations
10,143 Views
14 Pages

Unsupervised Event Characterization and Detection in Multichannel Signals: An EEG application

  • Angel Mur,
  • Raquel Dormido,
  • Jesús Vega,
  • Natividad Duro and
  • Sebastian Dormido-Canto

23 April 2016

In this paper, we propose a new unsupervised method to automatically characterize and detect events in multichannel signals. This method is used to identify artifacts in electroencephalogram (EEG) recordings of brain activity. The proposed algorithm...

  • Article
  • Open Access
3 Citations
2,410 Views
17 Pages

Type Hierarchy Enhanced Event Detection without Triggers

  • Youcheng Yan,
  • Zhao Liu,
  • Feng Gao and
  • Jinguang Gu

10 February 2023

Event detection (ED) aims to detect events from a given text and categorize them into event types. Most of the current approaches to ED rely heavily on the human annotations of triggers, which are often costly and affect the application of ED in othe...

  • Article
  • Open Access
1,901 Views
16 Pages

Event detection is a crucial task in natural language processing, and it plays a significant role in numerous applications, such as information retrieval, question answering, and situational awareness. Real-world tasks typically require robust models...

  • Article
  • Open Access
3 Citations
2,940 Views
16 Pages

A Visualization-Based Ramp Event Detection Model for Wind Power Generation

  • Junwei Fu,
  • Yuna Ni,
  • Yuming Ma,
  • Jian Zhao,
  • Qiuyi Yang,
  • Shiyi Xu,
  • Xiang Zhang and
  • Yuhua Liu

20 January 2023

Wind power ramp events (WPREs) are a common phenomenon in wind power generation. This unavoidable phenomenon poses a great harm to the balance of active power and the stability of frequency in the power supply system, which seriously threatens the sa...

  • Article
  • Open Access
2 Citations
3,075 Views
14 Pages

Object and Event Detection Pipeline for Rink Hockey Games

  • Jorge Miguel Lopes,
  • Luis Paulo Mota,
  • Samuel Marques Mota,
  • José Manuel Torres,
  • Rui Silva Moreira,
  • Christophe Soares,
  • Ivo Pereira,
  • Feliz Ribeiro Gouveia and
  • Pedro Sobral

All types of sports are potential application scenarios for automatic and real-time visual object and event detection. In rink hockey, the popular roller skate variant of team hockey, it is of great interest to automatically track player movements, p...

  • Article
  • Open Access
3,808 Views
17 Pages

Proposal for a System Model for Offline Seismic Event Detection in Colombia

  • Julián Miranda,
  • Angélica Flórez,
  • Gustavo Ospina,
  • Ciro Gamboa,
  • Carlos Flórez and
  • Miguel Altuve

18 December 2020

This paper presents an integrated model for seismic events detection in Colombia using machine learning techniques. Machine learning is used to identify P-wave windows in historic records and hence detect seismic events. The proposed model has five m...

  • Article
  • Open Access
1 Citations
5,199 Views
18 Pages

An Examination of Three Spatial Event Cluster Detection Methods

  • Hensley H. Mariathas and
  • Rhonda J. Rosychuk

In spatial disease surveillance, geographic areas with large numbers of disease cases are to be identified, so that targeted investigations can be pursued. Geographic areas with high disease rates are called disease clusters and statistical cluster d...

  • Article
  • Open Access
3,303 Views
21 Pages

Sparse-Gated RGB-Event Fusion for Small Object Detection in the Wild

  • Yangsi Shi,
  • Miao Li,
  • Nuo Chen,
  • Yihang Luo,
  • Shiman He and
  • Wei An

6 September 2025

Detecting small moving objects under challenging lighting conditions, such as overexposure and underexposure, remains a critical challenge in computer vision applications including surveillance, autonomous driving, and anti-UAV systems. Traditional R...

  • Article
  • Open Access
11 Citations
3,810 Views
18 Pages

Methods for Noise Event Detection and Assessment of the Sonic Environment by the Harmonica Index

  • Rosa Ma Alsina-Pagès,
  • Roberto Benocci,
  • Giovanni Brambilla and
  • Giovanni Zambon

30 August 2021

Noise annoyance depends not only on sound energy, but also on other features, such as those in its spectrum (e.g., low frequency and/or tonal components), and, over time, amplitude fluctuations, such as those observed in road, rail, or aircraft noise...

  • Article
  • Open Access
9 Citations
7,390 Views
15 Pages

25 October 2011

This paper presents a grid-based distributed event detection scheme for wireless sensor networks. The network is divided into square-shaped grids of predefined grid size, where sensor nodes in each grid form a cluster with a cluster head. Event detec...

  • Article
  • Open Access
17 Citations
9,614 Views
25 Pages

Subsurface Event Detection and Classification Using Wireless Signal Networks

  • Suk-Un Yoon,
  • Ehsan Ghazanfari,
  • Liang Cheng,
  • Sibel Pamukcu and
  • Muhannad T. Suleiman

5 November 2012

Subsurface environment sensing and monitoring applications such as detection of water intrusion or a landslide, which could significantly change the physical properties of the host soil, can be accomplished using a novel concept, Wireless Signal Netw...

  • Article
  • Open Access
2 Citations
2,102 Views
17 Pages

3 April 2023

In natural language processing, event detection is a critical step in event extraction, aiming to detect the occurrences of events and categorize them. Currently, the defects of Chinese event detection based on triggers include polysemous triggers an...

  • Article
  • Open Access
45 Citations
8,270 Views
21 Pages

As one of the most popular social networking services in the world, Twitter allows users to post messages along with their current geographic locations. Such georeferenced or geo-tagged Twitter datasets can benefit location-based services, targeted a...

  • Article
  • Open Access
1 Citations
2,450 Views
23 Pages

HomeMonitor: An Enhanced Device Event Detection Method for Smart Home Environment

  • Meng Zhao,
  • Jie Chen,
  • Zhikai Yang,
  • Yaping Liu and
  • Shuo Zhang

1 December 2022

As more and more smart devices are deployed in homes, the communication between these smart home devices and elastic computing services may face some risks of privacy disclosure. Different device events (such as the camera on, video on, etc.) will ge...

  • Article
  • Open Access
4 Citations
1,600 Views
20 Pages

Adaptive Differential Event Detection for Space-Based Infrared Aerial Targets

  • Lan Guo,
  • Peng Rao,
  • Cong Gao,
  • Yueqi Su,
  • Fenghong Li and
  • Xin Chen

27 February 2025

Space resources are of economic and strategic value. Infrared (IR) remote sensing, unaffected by geography and weather, is widely used in weather forecasting and defense. However, detecting small IR targets is challenging due to their small size and...

  • Article
  • Open Access
30 Citations
9,869 Views
25 Pages

Automated Event Detection and Classification in Soccer: The Potential of Using Multiple Modalities

  • Olav Andre Nergård Rongved,
  • Markus Stige,
  • Steven Alexander Hicks,
  • Vajira Lasantha Thambawita,
  • Cise Midoglu,
  • Evi Zouganeli,
  • Dag Johansen,
  • Michael Alexander Riegler and
  • Pål Halvorsen

16 December 2021

Detecting events in videos is a complex task, and many different approaches, aimed at a large variety of use-cases, have been proposed in the literature. Most approaches, however, are unimodal and only consider the visual information in the videos. T...

  • Article
  • Open Access
1 Citations
1,832 Views
25 Pages

23 October 2023

As a result of the severe energy shortage and the greenhouse effect, experts worldwide have been devoted to solving energy management problems. Smart grid construction is an essential technology for mastering energy allocation. Smart grids enable end...

  • Article
  • Open Access
7 Citations
5,085 Views
18 Pages

Emergency events arise when a serious, unexpected, and often dangerous threat affects normal life. Hence, knowing what is occurring during and after emergency events is critical to mitigate the effect of the incident on humans’ life, on the env...

  • Article
  • Open Access
2 Citations
2,734 Views
19 Pages

A Sensor-Based Simulation Method for Spatiotemporal Event Detection

  • Yuqin Jiang,
  • Andrey A. Popov,
  • Zhenlong Li,
  • Michael E. Hodgson and
  • Binghu Huang

Human movements in urban areas are essential to understand human–environment interactions. However, activities and associated movements are full of uncertainties due to the complexity of a city. In this paper, we propose a novel sensor-based ap...

  • Review
  • Open Access
24 Citations
14,495 Views
41 Pages

A Review on the Trends in Event Detection by Analyzing Social Media Platforms’ Data

  • Motahara Sabah Mredula,
  • Noyon Dey,
  • Md. Sazzadur Rahman,
  • Imtiaz Mahmud and
  • You-Ze Cho

15 June 2022

Social media platforms have many users who share their thoughts and use these platforms to organize various events collectively. However, different upsetting incidents have occurred in recent years by taking advantage of social media, raising signifi...

  • Article
  • Open Access
2,233 Views
18 Pages

30 April 2024

Zero-shot event detection aims to involve the automatic discovery and classification of new events within unstructured text. Current zero-shot event detection methods have not considered addressing the problem more effectively from the perspective of...

  • Article
  • Open Access
5 Citations
2,490 Views
19 Pages

Regional Traffic Event Detection Using Data Crowdsourcing

  • Yuna Kim,
  • Sangho Song,
  • Hyeonbyeong Lee,
  • Dojin Choi,
  • Jongtae Lim,
  • Kyoungsoo Bok and
  • Jaesoo Yoo

19 August 2023

Accurate detection and state analysis of traffic flows are essential for effectively reconstructing traffic flows and reducing the risk of severe injury and fatality. For this reason, several studies have proposed crowdsourcing to resolve traffic pro...

  • Article
  • Open Access
3 Citations
2,139 Views
14 Pages

11 September 2023

Sound event detection (SED) is of great practical and research significance owing to its wide range of applications. However, due to the heavy reliance on dataset size for task performance, there is often a severe lack of data in real-world scenarios...

  • Article
  • Open Access
3 Citations
4,376 Views
26 Pages

An Ensemble of Convolutional Neural Networks for Sound Event Detection

  • Abdinabi Mukhamadiyev,
  • Ilyos Khujayarov,
  • Dilorom Nabieva and
  • Jinsoo Cho

Sound event detection tasks are rapidly advancing in the field of pattern recognition, and deep learning methods are particularly well suited for such tasks. One of the important directions in this field is to detect the sounds of emotional events ar...

  • Article
  • Open Access
1 Citations
2,511 Views
19 Pages

10 April 2025

In dynamic industrial environments, strategic sensor placement is key to accurately monitoring equipment and detecting critical events. Despite progress in Industry 4.0 and the Internet of Things, research on optimal sensor placement remains limited....

  • Article
  • Open Access
15 Citations
3,842 Views
21 Pages

31 October 2021

Wireless sensor networks have found many applications in detecting events such as security threats, natural hazards, or technical malfunctions. An essential requirement for event detection systems is the long lifetime of battery-powered sensor nodes....

  • Article
  • Open Access
24 Citations
6,910 Views
21 Pages

Moving Object Detection and Tracking by Event Frame from Neuromorphic Vision Sensors

  • Jiang Zhao,
  • Shilong Ji,
  • Zhihao Cai,
  • Yiwen Zeng and
  • Yingxun Wang

Fast movement of objects and illumination changes may lead to a negative effect on camera images for object detection and tracking. Event cameras are neuromorphic vision sensors that capture the vitality of a scene, mitigating data redundancy and lat...

  • Article
  • Open Access
10 Citations
3,241 Views
18 Pages

Local Event Detection Scheme by Analyzing Relevant Documents in Social Networks

  • Dojin Choi,
  • Soobin Park,
  • Dongho Ham,
  • Hunjin Lim,
  • Kyoungsoo Bok and
  • Jaesoo Yoo

8 January 2021

In this paper, we propose a local event detection scheme by analyzing relevant documents in social networks to improve the accuracy of event detection. To detect local events by using geographical data, the proposed scheme embeds them using a geograp...

  • Article
  • Open Access
26 Citations
8,777 Views
15 Pages

Event-Based Pedestrian Detection Using Dynamic Vision Sensors

  • Jixiang Wan,
  • Ming Xia,
  • Zunkai Huang,
  • Li Tian,
  • Xiaoying Zheng,
  • Victor Chang,
  • Yongxin Zhu and
  • Hui Wang

Pedestrian detection has attracted great research attention in video surveillance, traffic statistics, and especially in autonomous driving. To date, almost all pedestrian detection solutions are derived from conventional framed-based image sensors w...

  • Article
  • Open Access
8 Citations
3,755 Views
17 Pages

12 February 2022

Polyphonic sound event detection (SED) is the task of detecting the time stamps and the class of sound event that occurred during a recording. Real life sound events overlap in recordings, and their durations vary dramatically, making them even harde...

  • Article
  • Open Access
4 Citations
2,309 Views
10 Pages

Event Detection Using a Self-Constructed Dependency and Graph Convolution Network

  • Li He,
  • Qingxin Meng,
  • Qing Zhang,
  • Jianyong Duan and
  • Hao Wang

19 March 2023

The extant event detection models, which rely on dependency parsing, have exhibited commendable efficacy. However, for some long sentences with more words, the results of dependency parsing are more complex, because each word corresponds to a directe...

  • Article
  • Open Access
36 Citations
10,404 Views
16 Pages

19 March 2010

In this paper, we present an adaptive fault-tolerant event detection scheme for wireless sensor networks. Each sensor node detects an event locally in a distributed manner by using the sensor readings of its neighboring nodes. Confidence levels of se...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,476 Views
12 Pages

Food Safety Event Detection Based on Multi-Feature Fusion

  • Kejing Xiao,
  • Chenmeng Wang,
  • Qingchuan Zhang and
  • Zhaopeng Qian

1 October 2019

Food safety event detection is a technique used to discover food safety events by monitoring online news. In general, a set of keywords are extracted as features to represent news, and then the news is clustered to generate events. The most popular m...

  • Article
  • Open Access
2,422 Views
11 Pages

Confidence Learning for Semi-Supervised Acoustic Event Detection

  • Yuzhuo Liu,
  • Hangting Chen,
  • Jian Wang,
  • Pei Wang and
  • Pengyuan Zhang

15 September 2021

In recent years, the involvement of synthetic strongly labeled data, weakly labeled data, and unlabeled data has drawn much research attention in semi-supervised acoustic event detection (SAED). The classic self-training method carries out prediction...

  • Article
  • Open Access
18 Citations
4,435 Views
35 Pages

A Multi-Agent NILM Architecture for Event Detection and Load Classification

  • André Eugenio Lazzaretti,
  • Douglas Paulo Bertrand Renaux,
  • Carlos Raimundo Erig Lima,
  • Bruna Machado Mulinari,
  • Hellen Cristina Ancelmo,
  • Elder Oroski,
  • Fabiana Pöttker,
  • Robson Ribeiro Linhares,
  • Lucas da Silva Nolasco and
  • Rodrigo Braun dos Santos
  • + 2 authors

26 August 2020

A multi-agent architecture for a Non-Intrusive Load Monitoring (NILM) solution is presented and evaluated. The underlying rationale for such an architecture is that each agent (load event detection, feature extraction, and classification) outperforms...

  • Article
  • Open Access
1 Citations
1,591 Views
15 Pages

Algorithm Improvement for Mobile Event Detection with Intelligent Tunnel Robots

  • Li Wan,
  • Zhenjiang Li,
  • Changan Zhang,
  • Guangyong Chen,
  • Panming Zhao and
  • Kewei Wu

Mobile inspections conducted by intelligent tunnel robots are instrumental in broadening the inspection reach, economizing on inspection expenditures, and augmenting the operational efficiency of inspections. Despite differences from fixed surveillan...

  • Article
  • Open Access
8 Citations
3,442 Views
19 Pages

Accelerating Event Detection with DGCNN and FPGAs

  • Zhe Han,
  • Jingfei Jiang,
  • Linbo Qiao,
  • Yong Dou,
  • Jinwei Xu and
  • Zhigang Kan

13 October 2020

Recently, Deep Neural Networks (DNNs) have been widely used in natural language processing. However, DNNs are often computation-intensive and memory-expensive. Therefore, deploying DNNs in the real world is very difficult. In order to solve this prob...

  • Article
  • Open Access
1 Citations
2,581 Views
26 Pages

Acoustic Event Detection in Vehicles: A Multi-Label Classification Approach

  • Anaswara Antony,
  • Wolfgang Theimer,
  • Giovanni Grossetti and
  • Christoph M. Friedrich

19 April 2025

Autonomous driving technologies for environmental perception are mostly based on visual cues obtained from sensors like cameras, RADAR, or LiDAR. They capture the environment as if seen through “human eyes”. If this visual information is...

  • Article
  • Open Access
2 Citations
5,321 Views
16 Pages

6 December 2021

The Sound Event Detection task aims to determine the temporal locations of acoustic events in audio clips. In recent years, the relevance of this field is rising due to the introduction of datasets such as Google AudioSet or DESED (Domestic Environme...

  • Article
  • Open Access
59 Citations
8,445 Views
19 Pages

Automated Accelerometer-Based Gait Event Detection During Multiple Running Conditions

  • Lauren C. Benson,
  • Christian A. Clermont,
  • Ricky Watari,
  • Tessa Exley and
  • Reed Ferber

27 March 2019

The identification of the initial contact (IC) and toe off (TO) events are crucial components of running gait analyses. To evaluate running gait in real-world settings, robust gait event detection algorithms that are based on signals from wearable se...

  • Article
  • Open Access
710 Views
25 Pages

YOLO-Based Transfer Learning for Sound Event Detection Using Visual Object Detection Techniques

  • Sergio Segovia González,
  • Sara Barahona Quiros and
  • Doroteo T. Toledano

24 December 2025

Traditional Sound Event Detection (SED) approaches are based on either specialized models or these models in combination with general audio embedding extractors. In this article, we propose to reframe SED as an object detection task in the time&ndash...

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