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Ambient sound scenes typically comprise multiple short events occurring on top of a somewhat stationary background. We consider the task of separating these events from the background, which we call foreground-background ambient sound scene…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Michel Olvera , Emmanuel Vincent , Romain Serizel , Gilles Gasso

In this paper we present our work on Task 1 Acoustic Scene Classi- fication and Task 3 Sound Event Detection in Real Life Recordings. Among our experiments we have low-level and high-level features, classifier optimization and other…

This paper presents a task of audio-visual scene classification (SC) where input videos are classified into one of five real-life crowded scenes: 'Riot', 'Noise-Street', 'Firework-Event', 'Music-Event', and 'Sport-Atmosphere'. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lam Pham , Dat Ngo , Phu X. Nguyen , Truong Hoang , Alexander Schindler

Acoustic scene classification is an intricate problem for a machine. As an emerging field of research, deep Convolutional Neural Networks (CNN) achieve convincing results. In this paper, we explore the use of multi-scale Dense connected…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Dawei Feng , Kele Xu , Haibo Mi , Feifan Liao , Yan Zhou

Audio scene classification, the problem of predicting class labels of audio scenes, has drawn lots of attention during the last several years. However, it remains challenging and falls short of accuracy and efficiency. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kele Xu , Dawei Feng , Haibo Mi , Boqing Zhu , Dezhi Wang , Lilun Zhang , Hengxing Cai , Shuwen Liu

Recently, audio-visual scene classification (AVSC) has attracted increasing attention from multidisciplinary communities. Previous studies tended to adopt a pipeline training strategy, which uses well-trained visual and acoustic encoders to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Chengxin Chen , Meng Wang , Pengyuan Zhang

Label noise is emerging as a pressing issue in sound event classification. This arises as we move towards larger datasets that are difficult to annotate manually, but it is even more severe if datasets are collected automatically from…

Sound · Computer Science 2019-10-29 Eduardo Fonseca , Frederic Font , Xavier Serra

Environmental sound analysis is currently getting more and more attentions. In the domain, acoustic scene classification and acoustic event classification are two closely related tasks. In this letter, a two-stage method is proposed for the…

Sound · Computer Science 2021-03-31 Weiping Zheng , Dacan Jiang , Gansen Zhao

We present an iVector based Acoustic Scene Classification (ASC) system suited for real life settings where active foreground speech can be present. In the proposed system, each recording is represented by a fixed-length iVector that models…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-03 Siyuan Song , Brecht Desplanques , Celest De Moor , Kris Demuynck , Nilesh Madhu

Datasets with noisy labels are a common occurrence in practical applications of classification methods. We propose a simple probabilistic method for training deep classifiers under input-dependent (heteroscedastic) label noise. We assume an…

Machine Learning · Computer Science 2020-11-16 Mark Collier , Basil Mustafa , Efi Kokiopoulou , Rodolphe Jenatton , Jesse Berent

In this paper, we present a robust and low complexity system for Acoustic Scene Classification (ASC), the task of identifying the scene of an audio recording. We first construct an ASC baseline system in which a novel…

Sound · Computer Science 2022-03-24 Lam Pham , Khoa Dinh , Dat Ngo , Hieu Tang , Alexander Schindler

Most existing deep learning-based acoustic scene classification (ASC) approaches directly utilize representations extracted from spectrograms to identify target scenes. However, these approaches pay little attention to the audio events…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-03 Yuanbo Hou , Siyang Song , Chuang Yu , Yuxin Song , Wenwu Wang , Dick Botteldooren

Acoustic scene classification (ASC) is one of the most popular problems in the field of machine listening. The objective of this problem is to classify an audio clip into one of the predefined scenes using only the audio data. This problem…

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…

Sound · Computer Science 2019-02-26 Sai Samarth R Phaye , Emmanouil Benetos , Ye Wang

In this work, we propose a method for domain-incremental learning for audio classification from a sequence of datasets recorded in different acoustic conditions. Fine-tuning a model on a sequence of evolving domains or datasets leads to…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-24 Manjunath Mulimani , Annamaria Mesaros

Acoustic scene classification is an automatic listening problem that aims to assign an audio recording to a pre-defined scene based on its audio data. Over the years (and in past editions of the DCASE) this problem has often been solved…

Acoustic scene classification (ASC) and sound event detection (SED) are major topics in environmental sound analysis. Considering that acoustic scenes and sound events are closely related to each other, the joint analysis of acoustic scenes…

Sound · Computer Science 2022-06-22 Kayo Nada , Keisuke Imoto , Takao Tsuchiya

Acoustic event detection is essential for content analysis and description of multimedia recordings. The majority of current literature on the topic learns the detectors through fully-supervised techniques employing strongly labeled data.…

Sound · Computer Science 2016-07-07 Anurag Kumar , Bhiksha Raj

In supervised machine learning, models are typically trained using data with hard labels, i.e., definite assignments of class membership. This traditional approach, however, does not take the inherent uncertainty in these labels into…

Machine Learning · Computer Science 2024-09-25 Sjoerd de Vries , Dirk Thierens

Noisy labels are ubiquitous in real-world datasets, especially in the large-scale ones derived from crowdsourcing and web searching. It is challenging to train deep neural networks with noisy datasets since the networks are prone to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Yangdi Lu , Wenbo He