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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…

神经与进化计算 · 计算机科学 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…

声音 · 计算机科学 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…

音频与语音处理 · 电气工程与系统科学 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…

声音 · 计算机科学 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,…

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…

音频与语音处理 · 电气工程与系统科学 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…

音频与语音处理 · 电气工程与系统科学 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…

声音 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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,…

声音 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

声音 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

音频与语音处理 · 电气工程与系统科学 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.…

计算机视觉与模式识别 · 计算机科学 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.…

声音 · 计算机科学 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…

音频与语音处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Hugo Markoff , Jevgenijs Galaktionovs