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The capability for environmental sound recognition (ESR) can determine the fitness of individuals in a way to avoid dangers or pursue opportunities when critical sound events occur. It still remains mysterious about the fundamental…

Neural and Evolutionary Computing · Computer Science 2019-02-05 Qiang Yu , Yanli Yao , Longbiao Wang , Huajin Tang , Jianwu Dang , Kay Chen Tan

Acoustic scene classification (ASC) predominantly relies on supervised approaches. However, acquiring labeled data for training ASC models is often costly and time-consuming. Recently, self-supervised learning (SSL) has emerged as a…

Sound · Computer Science 2024-08-28 Yiqiang Cai , Shengchen Li , Xi Shao

In this paper, ensembles of classifiers that exploit several data augmentation techniques and four signal representations for training Convolutional Neural Networks (CNNs) for audio classification are presented and tested on three freely…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-18 Loris Nanni , Gianluca Maguolo , Sheryl Brahnam , Michelangelo Paci

Many approaches have been used in bird species classification from their sound in order to provide labels for the whole of a recording. However, a more precise classification of each bird vocalization would be of great importance to the use…

Sound · Computer Science 2016-03-24 Veronica Morfi , Dan Stowell

Birds are important indicators for monitoring both biodiversity and habitat health; they also play a crucial role in ecosystem management. Decline in bird populations can result in reduced eco-system services, including seed dispersal,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Carl Chalmers , Paul Fergus , Serge Wich , Steven N Longmore , Naomi Davies Walsh , Philip Stephens , Chris Sutherland , Naomi Matthews , Jens Mudde , Amira Nuseibeh

The identification of siren sounds in urban soundscapes is a crucial safety aspect for smart vehicles and has been widely addressed by means of neural networks that ensure robustness to both the diversity of siren signals and the strong and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-16 Stefano Damiano , Thomas Dietzen , Toon van Waterschoot

In the field of wildlife observation and conservation, approaches involving machine learning on audio recordings are becoming increasingly popular. Unfortunately, available datasets from this field of research are often not optimal learning…

Recent advancements have highlighted the efficacy of self-supervised learning (SSL) features in various speech-related tasks, providing lightweight and versatile multi-view speech representations. However, our study reveals that while SSL…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-15 Weiqiao Shan , Yuhao Zhang , Yuchen Han , Bei Li , Xiaofeng Zhao , Yuang Li , Min Zhang , Hao Yang , Tong Xiao , Jingbo Zhu

Everyday sound recognition aims to infer types of sound events in audio streams. While many works succeeded in training models with high performance in a fully-supervised manner, they are still restricted to the demand of large quantities…

Sound · Computer Science 2022-12-20 Jinhua Liang , Huy Phan , Emmanouil Benetos

Airborne hyperspectral imaging is a promising method for identifying tropical species, but spectral variability between acquisitions hinders consistent results. This paper proposes using Self-Supervised Learning (SSL) to encode spectral…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Colin Prieur , Nassim Ait Ali Braham , Paul Tresson , Grégoire Vincent , Jocelyn Chanussot

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

Sound · Computer Science 2021-03-03 Alireza Nasiri , Jianjun Hu

We evaluate the effectiveness of semi-supervised learning (SSL) on a realistic benchmark where data exhibits considerable class imbalance and contains images from novel classes. Our benchmark consists of two fine-grained classification…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Jong-Chyi Su , Zezhou Cheng , Subhransu Maji

Self-supervised learning (SSL) has proven vital in speech and audio-related applications. The paradigm trains a general model on unlabeled data that can later be used to solve specific downstream tasks. This type of model is costly to train…

Modern day audio signal classification techniques lack the ability to classify low feature audio signals in the form of spectrographic temporal frequency data representations. Additionally, currently utilized techniques rely on full diverse…

Sound · Computer Science 2024-10-30 Noel Elias

Accurate layout estimation is crucial for planning and navigation in robotics applications, such as self-driving. In this paper, we introduce the Stereo Bird's Eye ViewNetwork (SBEVNet), a novel supervised end-to-end framework for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Divam Gupta , Wei Pu , Trenton Tabor , Jeff Schneider

Sound source localization (SSL) is essential for many speech-processing applications. Deep learning models have achieved high performance, but often fail when the training and inference environments differ. Adapting SSL models to dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-21 Yang Xiao , Rohan Kumar Das

Fine-grained bird image classification (FBIC) is not only of great significance for ecological monitoring and species identification, but also holds broad research value in the fields of image recognition and fine-grained visual modeling.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Zheng Wang

In this paper, we investigate DCTNet for audio signal classification. Its output feature is related to Cohen's class of time-frequency distributions. We introduce the use of adaptive DCTNet (A-DCTNet) for audio signals feature extraction.…

Sound · Computer Science 2017-05-02 Yin Xian , Yunchen Pu , Zhe Gan , Liang Lu , Andrew Thompson

Sound separation (SS) and target sound extraction (TSE) are fundamental techniques for addressing complex acoustic scenarios. While existing SS methods struggle with determining the unknown number of sound sources, TSE approaches require…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-25 Hongyu Wang , Chenda Li , Xin Zhou , Shuai Wang , Yanmin Qian

State-of-the-art animal classification models like SpeciesNet provide predictions across thousands of species but use conservative rollup strategies, resulting in many animals labeled at high taxonomic levels rather than species. We present…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Hugo Markoff , Jevgenijs Galaktionovs
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