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Handling faults is a growing concern in HPC. In future exascale systems, it is projected that silent undetected errors will occur several times a day, increasing the occurrence of corrupted results. In this article, we propose SEDAR, which…

分布式、并行与集群计算 · 计算机科学 2020-07-29 Diego Montezanti , Enzo Rucci , Armando De Giusti , Marcelo Naiouf , Dolores Rexachs , Emilio Luque

We consider the sequential change-point detection for asynchronous multi-sensors, where each sensor observe a signal (due to change-point) at different times. We propose an asynchronous Subspace-CUSUM procedure based on jointly estimating…

应用统计 · 统计学 2019-01-25 Liyan Xie , Yao Xie , George V. Moustakides

In this paper, we propose a temporal-frequential attention model for sound event detection (SED). Our network learns how to listen with two attention models: a temporal attention model and a frequential attention model. Proposed system…

声音 · 计算机科学 2025-05-06 Yu-Han Shen , Ke-Xin He , Wei-Qiang Zhang

Sound Event Detection and Localization (SELD) is a combined task of identifying sound events and their corresponding direction-of-arrival (DOA). While this task has numerous applications and has been extensively researched in recent years,…

声音 · 计算机科学 2024-06-13 Daniel Aleksander Krause , Archontis Politis , Annamaria Mesaros

We introduce a generalized framework for Scene Change Detection (SCD) that addresses the core ambiguity of distinguishing "relevant" from "nuisance" changes, enabling effective joint training of a single model across diverse domains and…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Subin Varghese , Joshua Gao , Vedhus Hoskere

Anomaly detection is an important task for complex systems (e.g., industrial facilities, manufacturing, large-scale science experiments), where failures in a sub-system can lead to low yield, faulty products, or even damage to components.…

机器学习 · 计算机科学 2023-09-06 Ryan Humble , Zhe Zhang , Finn O'Shea , Eric Darve , Daniel Ratner

Multivariate time-series anomaly detection is essential for reliable industrial control, telemetry, and service monitoring. However, the evolving inter-variable dependencies and inevitable noise render it challenging. Existing methods often…

机器学习 · 计算机科学 2026-02-25 Zhongpeng Qi , Jun Zhang , Wei Li , Zhuoxuan Liang

It is challenging to detect the anomaly in crowded scenes for quite a long time. In this paper, a self-supervised framework, abnormal event detection network (AED-Net), which is composed of PCAnet and kernel principal component analysis…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Tian Wang , Zichen Miao , Yuxin Chen , Yi Zhou , Guangcun Shan , Hichem Snoussi

Sound event localization and detection (SELD) is an emerging research topic that aims to unify the tasks of sound event detection and direction-of-arrival estimation. As a result, SELD inherits the challenges of both tasks, such as noise,…

音频与语音处理 · 电气工程与系统科学 2021-10-28 Thi Ngoc Tho Nguyen , Karn N. Watcharasupat , Zhen Jian Lee , Ngoc Khanh Nguyen , Douglas L. Jones , Woon Seng Gan

For learning-based sound event localization and detection (SELD) methods, different acoustic environments in the training and test sets may result in large performance differences in the validation and evaluation stages. Different…

音频与语音处理 · 电气工程与系统科学 2023-08-21 Jinbo Hu , Yin Cao , Ming Wu , Feiran Yang , Ziying Yu , Wenwu Wang , Mark D. Plumbley , Jun Yang

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

计算与语言 · 计算机科学 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

As part of the 2016 public evaluation challenge on Detection and Classification of Acoustic Scenes and Events (DCASE 2016), the second task focused on evaluating sound event detection systems using synthetic mixtures of office sounds. This…

音频与语音处理 · 电气工程与系统科学 2017-11-16 Grégoire Lafay , Emmanouil Benetos , Mathieu Lagrange

Continuous-time event sequences represent discrete events occurring in continuous time. Such sequences arise frequently in real-life. Usually we expect the sequences to follow some regular pattern over time. However, sometimes these…

机器学习 · 计算机科学 2021-06-15 Siqi Liu , Milos Hauskrecht

Polyphonic sound event localization and detection (SELD), which jointly performs sound event detection (SED) and direction-of-arrival (DoA) estimation, detects the type and occurrence time of sound events as well as their corresponding DoA…

声音 · 计算机科学 2021-02-12 Yin Cao , Turab Iqbal , Qiuqiang Kong , Fengyan An , Wenwu Wang , Mark D. Plumbley

In recent years, there has been a growing demand for improved autonomy for in-orbit operations such as rendezvous, docking, and proximity maneuvers, leading to increased interest in employing Deep Learning-based Spacecraft Pose Estimation…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Arunkumar Rathinam , Haytam Qadadri , Djamila Aouada

Event detection is a critical task for timely decision-making in graph analytics applications. Despite the recent progress towards deep learning on graphs, event detection on dynamic graphs presents particular challenges to existing…

机器学习 · 计算机科学 2023-02-15 Mert Kosan , Arlei Silva , Sourav Medya , Brian Uzzi , Ambuj Singh

While current state-of-the-art Scene Change Detection (SCD) approaches achieve impressive results in well-trained research data, they become unreliable under unseen environments and different temporal conditions; in-domain performance drops…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Jaewoo Kim , Uehwan Kim

Latency is, unfortunately, a reality when working with large datasets. Guaranteeing imperceptible latency for interactivity is often prohibitively expensive: the application developer may be forced to migrate data processing engines or deal…

人机交互 · 计算机科学 2020-09-08 Yifan Wu , Remco Chang , Joseph M. Hellerstein , Eugene Wu

Sound event detection (SED) is a task to detect sound events in an audio recording. One challenge of the SED task is that many datasets such as the Detection and Classification of Acoustic Scenes and Events (DCASE) datasets are weakly…

声音 · 计算机科学 2020-08-25 Qiuqiang Kong , Yong Xu , Wenwu Wang , Mark D. Plumbley

Detecting anomalies in discrete event logs is critical for ensuring system reliability, security, and efficiency. Traditional window-based methods for log anomaly detection often suffer from context bias and fuzzy localization, which hinder…

软件工程 · 计算机科学 2025-01-22 Jiaxing Qi , Chang Zeng , Zhongzhi Luan , Shaohan Huang , Shu Yang , Yao Lu , Hailong Yang , Depei Qian