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In this paper, we propose a discriminative video representation for event detection over a large scale video dataset when only limited hardware resources are available. The focus of this paper is to effectively leverage deep Convolutional…

计算机视觉与模式识别 · 计算机科学 2014-11-17 Zhongwen Xu , Yi Yang , Alexander G. Hauptmann

Sleep arousals transition the depth of sleep to a more superficial stage. The occurrence of such events is often considered as a protective mechanism to alert the body of harmful stimuli. Thus, accurate sleep arousal detection can lead to…

信号处理 · 电气工程与系统科学 2019-03-06 Morteza Zabihi , Ali Bahrami Rad , Serkan Kiranyaz , Simo Särkkä , Moncef Gabbouj

This paper will describe a novel approach to the cocktail party problem that relies on a fully convolutional neural network (FCN) architecture. The FCN takes noisy audio data as input and performs nonlinear, filtering operations to produce…

声音 · 计算机科学 2018-07-24 Frank Longueira , Sam Keene

Detecting extreme events in large datasets is a major challenge in climate science research. Current algorithms for extreme event detection are build upon human expertise in defining events based on subjective thresholds of relevant…

计算机视觉与模式识别 · 计算机科学 2016-05-05 Yunjie Liu , Evan Racah , Prabhat , Joaquin Correa , Amir Khosrowshahi , David Lavers , Kenneth Kunkel , Michael Wehner , William Collins

Recently, convolutional neural networks (CNNs) have been widely used in sound event detection (SED). However, traditional convolution is deficient in learning time-frequency domain representation of different sound events. To address this…

音频与语音处理 · 电气工程与系统科学 2023-02-22 Shengchang Xiao , Xueshuai Zhang , Pengyuan Zhang

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…

声音 · 计算机科学 2022-09-14 Daniel Aleksander Krause , Annamaria Mesaros

Speaker verification aims to verify whether an input speech corresponds to the claimed speaker, and conventionally, this kind of system is deployed based on single-stream scenario, wherein the feature extractor operates in full frequency…

声音 · 计算机科学 2025-09-03 Wei Yao , Shen Chen , Jiamin Cui , Yaolin Lou

This paper presents a deep learning approach for the classification of Engineering (CAD) models using Convolutional Neural Networks (CNNs). Owing to the availability of large annotated datasets and also enough computational power in the…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Bharadwaj Manda , Pranjal Bhaskare , Ramanathan Muthuganapathy

Convolutional Neural Networks (CNNs) excel at extracting local features hierarchically, but their performance in capturing complex correlations hinges heavily on deep architectures, which are usually computationally demanding and difficult…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Chia-Wei Hsing , Wei-Lin Tu

Sound event detection is a core module for acoustic environmental analysis. Semi-supervised learning technique allows to largely scale up the dataset without increasing the annotation budget, and recently attracts lots of research…

音频与语音处理 · 电气工程与系统科学 2021-02-02 Xiaofei Li

Convolutional neural networks (CNN) are capable of learning robust representation with different regularization methods and activations as convolutional layers are spatially correlated. Based on this property, a large variety of regional…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Devesh Walawalkar , Zhiqiang Shen , Zechun Liu , Marios Savvides

This paper proposes sound event localization and detection methods from multichannel recording. The proposed system is based on two Convolutional Recurrent Neural Networks (CRNNs) to perform sound event detection (SED) and time difference…

音频与语音处理 · 电气工程与系统科学 2019-10-23 Francois Grondin , James Glass , Iwona Sobieraj , Mark D. Plumbley

In this paper, we propose a model for the Environment Sound Classification Task (ESC) that consists of multiple feature channels given as input to a Deep Convolutional Neural Network (CNN) with Attention mechanism. The novelty of the paper…

声音 · 计算机科学 2020-12-09 Jivitesh Sharma , Ole-Christoffer Granmo , Morten Goodwin

In this work we present a novel single-channel Voice Activity Detector (VAD) approach. We utilize a Convolutional Neural Network (CNN) which exploits the spatial information of the noisy input spectrum to extract frame-wise embedding…

声音 · 计算机科学 2022-03-08 Amit Sofer , Shlomo E. Chazan

This study explores the field of audio classification from raw waveform using Convolutional Neural Networks (CNNs), a method that eliminates the need for extracting specialised features in the pre-processing step. Unlike recent trends in…

声音 · 计算机科学 2024-12-03 Kazi Nazmul Haque , Rajib Rana , Tasnim Jarin , Bjorn W. Schuller

Data synthesis and augmentation are essential for Sound Event Detection (SED) due to the scarcity of temporally labeled data. While augmentation methods like SpecAugment and Mix-up can enhance model performance, they remain constrained by…

音频与语音处理 · 电气工程与系统科学 2025-09-24 Jiarui Hai , Mounya Elhilali

In most clinical practice settings, there is no rigorous reviewing of the clinical documentation, resulting in inaccurate information captured in the patient medical records. The gold standard in clinical data capturing is achieved via…

计算与语言 · 计算机科学 2021-05-25 George Michalopoulos , Helen Chen , Alexander Wong

Deep neural networks (DNNs) have shown promising results for acoustic echo cancellation (AEC). But the DNN-based AEC models let through all near-end speakers including the interfering speech. In light of recent studies on personalized…

声音 · 计算机科学 2022-07-01 Shimin Zhang , Ziteng Wang , Yukai Ju , Yihui Fu , Yueyue Na , Qiang Fu , Lei Xie

This paper proposes a speech-based method for automatic depression classification. The system is based on ensemble learning for Convolutional Neural Networks (CNNs) and is evaluated using the data and the experimental protocol provided in…

音频与语音处理 · 电气工程与系统科学 2024-02-06 Adrián Vázquez-Romero , Ascensión Gallardo-Antolín

Acoustic Scene Classification (ASC) is one of the core research problems in the field of Computational Sound Scene Analysis. In this work, we present SubSpectralNet, a novel model which captures discriminative features by incorporating…

声音 · 计算机科学 2019-02-26 Sai Samarth R Phaye , Emmanouil Benetos , Ye Wang