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Weakly Supervised Sound Event Detection (WSSED), which relies on audio tags without precise onset and offset times, has become prevalent due to the scarcity of strongly labeled data that includes exact temporal boundaries for events. This…

音频与语音处理 · 电气工程与系统科学 2025-01-08 Yuliang Zhang , Defeng , Huang , Roberto Togneri

In this paper, we propose a novel formula-driven supervised learning (FDSL) framework for pre-training an environmental sound analysis model by leveraging acoustic signals parametrically synthesized through formula-driven methods.…

With the rapid development of deep learning, recent research on intelligent and interactive mobile applications (e.g., health monitoring, speech recognition) has attracted extensive attention. And these applications necessitate the mobile…

分布式、并行与集群计算 · 计算机科学 2023-10-26 Bowen Pang , Sicong Liu , Hongli Wang , Bin Guo , Yuzhan Wang , Hao Wang , Zhenli Sheng , Zhongyi Wang , Zhiwen Yu

Event cameras, which are asynchronous bio-inspired vision sensors, have shown great potential in a variety of situations, such as fast motion and low illumination scenes. However, most of the event-based object tracking methods are designed…

计算机视觉与模式识别 · 计算机科学 2020-02-14 Haosheng Chen , Qiangqiang Wu , Yanjie Liang , Xinbo Gao , Hanzi Wang

Sound event detection (SED) often suffers from the data deficiency problem. The recent baseline system in the DCASE2023 challenge task 4 leverages the large pretrained self-supervised learning (SelfSL) models to mitigate such restriction,…

音频与语音处理 · 电气工程与系统科学 2024-01-01 Nian Shao , Xian Li , Xiaofei Li

In this paper, we propose a novel Automatic and Scalable Face Detector (ASFD), which is based on a combination of neural architecture search techniques as well as a new loss design. First, we propose an automatic feature enhance module…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Bin Zhang , Jian Li , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Yili Xia , Wenjiang Pei , Rongrong Ji

Online anomaly detection (OAD) plays a pivotal role in real-time analytics and decision-making for evolving data streams. However, existing methods often rely on costly retraining and rigid decision boundaries, limiting their ability to…

机器学习 · 计算机科学 2026-04-22 Jiaqi Zhu , Shaofeng Cai , Jie Chen , Fang Deng , Beng Chin Ooi , Wenqiao Zhang

Observations with distributed sensors are essential in analyzing a series of human and machine activities (referred to as 'events' in this paper) in complex and extensive real-world environments. This is because the information obtained…

多媒体 · 计算机科学 2024-04-15 Masahiro Yasuda , Noboru Harada , Yasunori Ohishi , Shoichiro Saito , Akira Nakayama , Nobutaka Ono

The need for accurate and fast scale-resolving simulations of fluid flows, where turbulent dispersion is a crucial physical feature, is evident. Large-eddy simulations (LES) are computationally more affordable than direct numerical…

流体动力学 · 物理学 2025-12-30 Justin Plogmann , Oliver Brenner , Patrick Jenny

The progress of Anomaly Detection (AD) in safety-critical domains, such as transportation, is severely constrained by the lack of large-scale, real-world benchmarks. To address this, we introduce EngineAD, a novel, multivariate dataset…

机器学习 · 计算机科学 2026-03-30 Hadi Hojjati , Christopher Roth , Rory Woods , Ken Sills , Narges Armanfard

The recognition of Activities of Daily Living (ADLs) from event-triggered ambient sensors is an essential task in Ambient Assisted Living, yet existing methods remain constrained by representation-level limitations. Sequence-based…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Junhao Zhao , Zishuai Liu , Ruili Fang , Jin Lu , Linghan Zhang , Fei Dou

Anomaly detection in multimedia datasets is a widely studied area. Yet, the concept drift challenge in data has been ignored or poorly handled by the majority of the anomaly detection frameworks. The state-of-the-art approaches assume that…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Pratibha Kumari , Priyankar Choudhary , Pradeep K. Atrey , Mukesh Saini

Most cognitive architectures rely on discrete representation, both in space (e.g., objects) and in time (e.g., events). However, a robot interaction with the world is inherently continuous, both in space and in time. The segmentation of the…

机器人学 · 计算机科学 2016-11-25 Bruno Nery , Rodrigo Ventura

We introduce ACCIDENT, a benchmark dataset for traffic accident detection in CCTV footage, designed to evaluate models in supervised (IID and OOD) and zero-shot settings, reflecting both data-rich and data-scarce scenarios. The benchmark…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Lukas Picek , Michal Čermák , Marek Hanzl , Vojtěch Čermák

EventDetectR: An efficient Event Detection System (EDS) capable of detecting unexpected water quality conditions. This approach uses multiple algorithms to model the relationship between various multivariate water quality signals. Then the…

统计计算 · 统计学 2020-11-20 Sowmya Chandrasekaran , Margarita Rebolledo , Thomas Bartz-Beielstein

Current methods for disaster scene interpretation in remote sensing images (RSIs) mostly focus on isolated tasks such as segmentation, detection, or visual question-answering (VQA). However, current interpretation methods often fail at…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Zhuoran Liu , Danpei Zhao , Bo Yuan

Due to the importance of Critical Infrastructure (CI) in a nation's economy, they have been lucrative targets for cyber attackers. These critical infrastructures are usually Cyber-Physical Systems (CPS) such as power grids, water, and…

密码学与安全 · 计算机科学 2022-04-11 Vikas Maurya , Rachit Agarwal , Saurabh Kumar , Sandeep Kumar Shukla

High-quality digital terrain models derived from airborne laser scanning (ALS) data are essential for a wide range of geospatial analyses, and their generation typically relies on robust ground filtering (GF) to separate point clouds across…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Nannan Qin , Pengjie Tao , Haiyan Guan , Zhizhong Kang , Lingfei Ma , Xiangyun Hu , Jonathan Li

Fall detection based on embedded sensor is a practical and popular research direction in recent years. In terms of a specific application: fall detection methods based upon physics sensors such as [gyroscope and accelerator] have been…

信号处理 · 电气工程与系统科学 2024-03-13 Zeyuan Qu , Tiange Huang , Yuxin Ji , Yongjun Li

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…

声音 · 计算机科学 2024-02-07 Yang Xiao , Rohan Kumar Das