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Voice activity detection (VAD) makes a distinction between speech and non-speech and its performance is of crucial importance for speech based services. Recently, deep neural network (DNN)-based VADs have achieved better performance than…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Zhenpeng Zheng , Jianzong Wang , Ning Cheng , Jian Luo , Jing Xiao

Previously proposed FullSubNet has achieved outstanding performance in Deep Noise Suppression (DNS) Challenge and attracted much attention. However, it still encounters issues such as input-output mismatch and coarse processing for…

Sound · Computer Science 2022-03-29 Jun Chen , Zilin Wang , Deyi Tuo , Zhiyong Wu , Shiyin Kang , Helen Meng

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,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-01 Nian Shao , Xian Li , Xiaofei Li

Large-scale sound recognition data sets typically consist of acoustic recordings obtained from multimedia libraries. As a consequence, modalities other than audio can often be exploited to improve the outputs of models designed for…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-11 Wim Boes , Hugo Van hamme

This paper proposes a novel module called middle spectrum grouped convolution (MSGC) for efficient deep convolutional neural networks (DCNNs) with the mechanism of grouped convolution. It explores the broad "middle spectrum" area between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Zhuo Su , Jiehua Zhang , Tianpeng Liu , Zhen Liu , Shuanghui Zhang , Matti Pietikäinen , Li Liu

Detecting events and classifying them into predefined types is an important step in knowledge extraction from natural language texts. While the neural network models have generally led the state-of-the-art, the differences in performance…

Computation and Language · Computer Science 2018-08-28 J. Walker Orr , Prasad Tadepalli , Xiaoli Fern

Audio recognition in specialized areas such as birdsong and submarine acoustics faces challenges in large-scale pre-training due to the limitations in available samples imposed by sampling environments and specificity requirements. While…

Sound · Computer Science 2023-09-26 Xiang Li , Junhao Chen , Chao Li , Hongwu Lv

Labeled data is a critical resource for training and evaluating machine learning models. However, many real-life datasets are only partially labeled. We propose a semi-supervised machine learning training strategy to improve event detection…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Florian Dubost , Erin Hong , Nandita Bhaskhar , Siyi Tang , Daniel Rubin , Christopher Lee-Messer

The audio-visual event localization task requires identifying concurrent visual and auditory events from unconstrained videos within a network model, locating them, and classifying their category. The efficient extraction and integration of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Xiang He , Xiangxi Liu , Yang Li , Dongcheng Zhao , Guobin Shen , Qingqun Kong , Xin Yang , Yi Zeng

Deep Convolutional Neural Networks (CNN) have drawn great attention in image super-resolution (SR). Recently, visual attention mechanism, which exploits both of the feature importance and contextual cues, has been introduced to image SR and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-01 Huapeng Wu , Zhengxia Zou , Jie Gui , Wen-Jun Zeng , Jieping Ye , Jun Zhang , Hongyi Liu , Zhihui Wei

Crowd counting is gaining societal relevance, particularly in domains of Urban Planning, Crowd Management, and Public Safety. This paper introduces Fourier-guided attention (FGA), a novel attention mechanism for crowd count estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Yashwardhan Chaudhuri , Ankit Kumar , Arun Balaji Buduru , Adel Alshamrani

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…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-22 Shengchang Xiao , Xueshuai Zhang , Pengyuan Zhang

Sound event localization and detection (SELD) systems using audio recordings from a microphone array rely on spatial cues for determining the location of sound events. As a consequence, the localization performance of such systems is to a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-02 Axel Berg , Johanna Engman , Jens Gulin , Karl Åström , Magnus Oskarsson

Wireless distributed systems as used in sensor networks, Internet-of-Things and cyber-physical systems, impose high requirements on resource efficiency. Advanced preprocessing and classification of data at the network edge can help to…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Matthias Meyer , Lukas Cavigelli , Lothar Thiele

Two-view correspondence learning is a key task in computer vision, which aims to establish reliable matching relationships for applications such as camera pose estimation and 3D reconstruction. However, existing methods have limitations in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Shuyuan Lin , Mengtin Lo , Haosheng Chen , Yanjie Liang , Qiangqiang Wu

In this paper, we propose a novel four-stage data augmentation approach to ResNet-Conformer based acoustic modeling for sound event localization and detection (SELD). First, we explore two spatial augmentation techniques, namely audio…

Sound · Computer Science 2023-03-08 Qing Wang , Jun Du , Hua-Xin Wu , Jia Pan , Feng Ma , Chin-Hui Lee

Recent studies on event detection (ED) haveshown that the syntactic dependency graph canbe employed in graph convolution neural net-works (GCN) to achieve state-of-the-art per-formance. However, the computation of thehidden vectors in such…

Computation and Language · Computer Science 2020-10-28 Viet Dac Lai , Tuan Ngo Nguyen , Thien Huu Nguyen

This paper describes sound event localization and detection (SELD) for spatial audio recordings captured by firstorder ambisonics (FOA) microphones. In this task, one may train a deep neural network (DNN) using FOA data annotated with the…

Sound · Computer Science 2024-10-31 Yoto Fujita , Yoshiaki Bando , Keisuke Imoto , Masaki Onishi , Kazuyoshi Yoshii

Remarkable effectiveness of the channel or spatial attention mechanisms for producing more discernible feature representation are illustrated in various computer vision tasks. However, modeling the cross-channel relationships with channel…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Daliang Ouyang , Su He , Guozhong Zhang , Mingzhu Luo , Huaiyong Guo , Jian Zhan , Zhijie Huang

Moving Object Detection (MOD) is a critical vision task for successfully achieving safe autonomous driving. Despite plausible results of deep learning methods, most existing approaches are only frame-based and may fail to reach reasonable…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Zhuyun Zhou , Zongwei Wu , Rémi Boutteau , Fan Yang , Cédric Demonceaux , Dominique Ginhac