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Event cameras offer high temporal resolution and power efficiency, making them well-suited for edge AI applications. However, their high event rates present challenges for data transmission and processing. Subsampling methods provide a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Hesam Araghi , Jan van Gemert , Nergis Tomen

Research on sound event detection (SED) with weak labeling has mostly focused on presence/absence labeling, which provides no temporal information at all about the event occurrences. In this paper, we consider SED with sequential labeling,…

Sound · Computer Science 2019-02-20 Yun Wang , Florian Metze

Existing weakly supervised sound event detection (WSSED) work has not explored both types of co-occurrences simultaneously, i.e., some sound events often co-occur, and their occurrences are usually accompanied by specific background sounds,…

Sound · Computer Science 2023-03-13 Yifei Xin , Dongchao Yang , Fan Cui , Yujun Wang , Yuexian Zou

Automatic event detection from time series signals has wide applications, such as abnormal event detection in video surveillance and event detection in geophysical data. Traditional detection methods detect events primarily by the use of…

Machine Learning · Computer Science 2018-09-26 Yue Wu , Youzuo Lin , Zheng Zhou , David Chas Bolton , Ji Liu , Paul Johnson

In recent years, deep learning systems have shown a concerning trend toward increased complexity and higher energy consumption. As researchers in this domain and organizers of one of the Detection and Classification of Acoustic Scenes and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-18 Francesca Ronchini , Romain Serizel

In this paper, we propose a dynamic shared context processing method based on DSC (Dynamic Shared Context) model, applied in an e-collaborative learning environment. Firstly, we present the model. This is a way to measure the relevance…

Human-Computer Interaction · Computer Science 2012-01-19 Jing Peng , Alain-Jérôme Fougères , Samuel Deniaud , Michel Ferney

We present a simple reduction from sequential estimation to sequential changepoint detection (SCD). In short, suppose we are interested in detecting changepoints in some parameter or functional $\theta$ of the underlying distribution. We…

Statistics Theory · Mathematics 2023-02-07 Shubhanshu Shekhar , Aaditya Ramdas

Sound event detection (SED) is essential for recognizing specific sounds and their temporal locations within acoustic signals. This becomes challenging particularly for on-device applications, where computational resources are limited. To…

Sound · Computer Science 2024-02-07 Yang Xiao , Rohan Kumar Das

Artificial sound event detection (SED) has the aim to mimic the human ability to perceive and understand what is happening in the surroundings. Nowadays, Deep Learning offers valuable techniques for this goal such as Convolutional Neural…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-26 Fabio Vesperini , Leonardo Gabrielli , Emanuele Principi , Stefano Squartini

We present an approach for efficiently taking snapshots of the state of a collection of CAS objects. Taking a snapshot allows later operations to read the value that each CAS object had at the time the snapshot was taken. Taking a snapshot…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-01 Yuanhao Wei , Naama Ben-David , Guy E. Blelloch , Panagiota Fatourou , Eric Ruppert , Yihan Sun

This work defines a new framework for performance evaluation of polyphonic sound event detection (SED) systems, which overcomes the limitations of the conventional collar-based event decisions, event F-scores and event error rates. The…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-17 Cagdas Bilen , Giacomo Ferroni , Francesco Tuveri , Juan Azcarreta , Sacha Krstulovic

Event cameras are novel neuromorphic vision sensors with ultrahigh temporal resolution and low latency, both in the order of microseconds. Instead of image frames, event cameras generate an asynchronous event stream of per-pixel intensity…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Jinjian Li , Chuandong Guo , Li Su , Xiangyu Wang , Quan Hu

Contrary to other standard cameras, event cameras interpret the world in an entirely different manner; as a collection of asynchronous events. Despite event camera's unique data output, many event feature detection and tracking algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Sumin Hu , Yeeun Kim , Hyungtae Lim , Alex Junho Lee , Hyun Myung

In sound event detection (SED), overlapping sound events pose a significant challenge, as certain events can be easily masked by background noise or other events, resulting in poor detection performance. To address this issue, we propose…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-13 Han Yin , Jisheng Bai , Yang Xiao , Hui Wang , Siqi Zheng , Yafeng Chen , Rohan Kumar Das , Chong Deng , Jianfeng Chen

Event-based approaches, which are based on bio-inspired asynchronous event cameras, have achieved promising performance on various computer vision tasks. However, the study of the fundamental event data association problem is still in its…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Haosheng Chen , Yue Wu , Yidong Peng

In this paper, we present a systematic survey on the contextual information based proximity detection techniques. These techniques are heavily used for improving security and usability in Zero-Interaction based Co-presence Detection and…

Cryptography and Security · Computer Science 2019-04-15 Mauro Conti , Chhagan Lal

In recent years, the adoption of cloud services has been expanding at an unprecedented rate. As more and more organizations migrate or deploy their businesses to the cloud, a multitude of related cybersecurity incidents such as data…

Cryptography and Security · Computer Science 2025-06-23 Fei Zuo , Junghwan Rhee , Yung Ryn Choe , Chenglong Fu , Xianshan Qu

Sound event detection (SED) and Acoustic scene classification (ASC) are two widely researched audio tasks that constitute an important part of research on acoustic scene analysis. Considering shared information between sound events and…

Sound · Computer Science 2022-09-14 Daniel Aleksander Krause , Annamaria Mesaros

Gait recognition enables non-intrusive, privacy-preserving identification but suffers in uncontrolled environments due to illumination and motion sensitivity of conventional cameras. In this work, we explore gait recognition using event…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Senyan Xu , Shuai Chen , Chuanfu Shen , Kean Liu , Zhijing Sun , Chengzhi Cao , Xueyang Fu

This study introduces Skewed Fully Asynchronous Cellular Automata (SACA), a novel update scheme in cellular automata that updates the states of only two consecutive and adjacent cells, such as ci and ci+1, simultaneously at each time step.…

Formal Languages and Automata Theory · Computer Science 2025-01-07 Virendra Kumar Gautam