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Many methods of sound event detection (SED) based on machine learning regard a segmented time frame as one data sample to model training. However, the sound durations of sound events vary greatly depending on the sound event class, e.g.,…

Multivariate Time-Series (MTS) clustering is crucial for signal processing and data analysis. Although deep learning approaches, particularly those leveraging Contrastive Learning (CL), are prominent for MTS representation, existing…

机器学习 · 计算机科学 2026-01-13 Zexi Tan , Tao Xie , Haoyi Xiao , Baoyao Yang , Yuzhu Ji , An Zeng , Xiang Zhang , Yiqun Zhang

In this paper, we propose a stacked convolutional and recurrent neural network (CRNN) with a 3D convolutional neural network (CNN) in the first layer for the multichannel sound event detection (SED) task. The 3D CNN enables the network to…

声音 · 计算机科学 2018-01-30 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

The selective frequency damping (SFD) method is an alternative to classical Newton's method to obtain unstable steady-state solutions of dynamical systems. However this method has two main limitations: it does not converge for arbitrary…

流体动力学 · 物理学 2015-10-28 Bastien E. Jordi , Colin J. Cotter , Spencer J. Sherwin

Spike sparsity is widely believed to enable efficient spiking neural network (SNN) inference on GPU hardware. We demonstrate this is an illusion: five distinct sparse computation strategies on Apple M3 Max all fail to outperform dense…

机器学习 · 计算机科学 2026-03-17 Jiahao Qin

Temporal action detection (TAD) aims to detect the semantic labels and boundaries of action instances in untrimmed videos. Current mainstream approaches are multi-step solutions, which fall short in efficiency and flexibility. In this…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Shimin Chen , Chen Chen , Wei Li , Xunqiang Tao , Yandong Guo

In recent years, mining the knowledge from asynchronous sequences by Hawkes process is a subject worthy of continued attention, and Hawkes processes based on the neural network have gradually become the most hotly researched fields,…

机器学习 · 计算机科学 2021-12-30 Lu-ning Zhang , Jian-wei Liu , Zhi-yan Song , Xin Zuo

In NLP, convolutional neural networks (CNNs) have benefited less than recurrent neural networks (RNNs) from attention mechanisms. We hypothesize that this is because the attention in CNNs has been mainly implemented as attentive pooling…

计算与语言 · 计算机科学 2018-11-14 Wenpeng Yin , Hinrich Schütze

Polyphonic sound event detection (polyphonic SED) is an interesting but challenging task due to the concurrence of multiple sound events. Recently, SED methods based on convolutional neural networks (CNN) and recurrent neural networks (RNN)…

音频与语音处理 · 电气工程与系统科学 2018-07-24 Yaming Liu , Jian Tang , Yan Song , Lirong Dai

With the increase of available time series data, predicting their class labels has been one of the most important challenges in a wide range of disciplines. Recent studies on time series classification show that convolutional neural…

机器学习 · 计算机科学 2021-04-07 Dongha Lee , Seonghyeon Lee , Hwanjo Yu

We propose a novel method for Acoustic Event Detection (AED). In contrast to speech, sounds coming from acoustic events may be produced by a wide variety of sources. Furthermore, distinguishing them often requires analyzing an extended time…

声音 · 计算机科学 2016-12-09 Naoya Takahashi , Michael Gygli , Beat Pfister , Luc Van Gool

Event cameras have the ability to record continuous and detailed trajectories of objects with high temporal resolution, thereby providing intuitive motion cues for optical flow estimation. Nevertheless, most existing learning-based…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Haotian Liu , Guang Chen , Sanqing Qu , Yanping Zhang , Zhijun Li , Alois Knoll , Changjun Jiang

In order to decrease the steady-state error and reduce the computational complexity and increase the ability to identify a large unknown system, a convex combination of overlap-save frequency-domain adaptive filters (COSFDAF) algorithm is…

系统与控制 · 计算机科学 2018-05-04 Sihai Guan , Zhi Li

Audio tagging aims to perform multi-label classification on audio chunks and it is a newly proposed task in the Detection and Classification of Acoustic Scenes and Events 2016 (DCASE 2016) challenge. This task encourages research efforts to…

声音 · 计算机科学 2017-03-20 Yong Xu , Qiuqiang Kong , Qiang Huang , Wenwu Wang , Mark D. Plumbley

In recent years, exploring effective sound separation (SSep) techniques to improve overlapping sound event detection (SED) attracts more and more attention. Creating accurate separation signals to avoid the catastrophic error accumulation…

音频与语音处理 · 电气工程与系统科学 2022-03-07 Yunhao Liang , Yanhua Long , Yijie Li , Jiaen Liang

Accurate classification of respiratory sounds requires deep learning models that effectively capture fine-grained acoustic features and long-range temporal dependencies. Convolutional Neural Networks (CNNs) are well-suited for extracting…

声音 · 计算机科学 2025-07-29 Nouhaila Fraihi , Ouassim Karrakchou , Mounir Ghogho

Researches indicate that text-dependent speaker verification (TD-SV) often outperforms text-independent verification (TI-SV) in short speech scenarios. However, collecting large-scale fixed text speech data is challenging, and as speech…

声音 · 计算机科学 2023-12-05 Litong Zheng , Feng Hong , Weijie Xu

Deep learning advancements have revolutionized scalable classification in many domains including computer vision. However, when it comes to wearable-based classification and domain adaptation, existing computer vision-based deep learning…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Yidong Zhu , Md Mahmudur Rahman , Mohammad Arif Ul Alam

Access to large corpora with strongly labelled sound events is expensive and difficult in engineering applications. Much research turns to address the problem of how to detect both the types and the timestamps of sound events with weak…

声音 · 计算机科学 2021-01-21 Yuzhuo Liu , Hangting Chen , YunWang , Pengyuan Zhang

Electroencephalography (EEG) serves as a reliable and objective signal for emotion recognition in affective brain-computer interfaces, offering unique advantages through its high temporal resolution and ability to capture authentic…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Yueyang Li , Shengyu Gong , Weiming Zeng , Nizhuan Wang , Wai Ting Siok