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The majority of sound scene analysis work focuses on one of two clearly defined tasks: acoustic scene classification or sound event detection. Whilst this separation of tasks is useful for problem definition, they inherently ignore some…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-30 Helen L. Bear , Toni Heittola , Annamaria Mesaros , Emmanouil Benetos , Tuomas Virtanen

Various attention mechanisms are being widely applied to acoustic scene classification. However, we empirically found that the attention mechanism can excessively discard potentially valuable information, despite improving performance. We…

Machine Learning · Computer Science 2021-12-24 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Ha-Jin Yu

In this paper, we propose a deep hierarchical attention context model for lossless attribute compression of point clouds, leveraging a multi-resolution spatial structure and residual learning. A simple and effective Level of Detail (LoD)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yueru Chen , Wei Zhang , Dingquan Li , Jing Wang , Ge Li

In this technical report, we present a joint effort of four groups, namely GT, USTC, Tencent, and UKE, to tackle Task 1 - Acoustic Scene Classification (ASC) in the DCASE 2020 Challenge. Task 1 comprises two different sub-tasks: (i) Task 1a…

This paper presents the details of the Audio-Visual Scene Classification task in the DCASE 2021 Challenge (Task 1 Subtask B). The task is concerned with classification using audio and video modalities, using a dataset of synchronized…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-21 Shanshan Wang , Toni Heittola , Annamaria Mesaros , Tuomas Virtanen

Recently, convolutional neural networks (CNN) have achieved the state-of-the-art performance in acoustic scene classification (ASC) task. The audio data is often transformed into two-dimensional spectrogram representations, which are then…

Sound · Computer Science 2020-07-09 Helin Wang , Yuexian Zou , Dading Chong

Two factors have proven to be very important to the performance of semantic segmentation models: global context and multi-level semantics. However, generating features that capture both factors always leads to high computational complexity,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Qi Song , Kangfu Mei , Rui Huang

Acoustic Scene Classification (ASC) aims to classify the environment in which the audio signals are recorded. Recently, Convolutional Neural Networks (CNNs) have been successfully applied to ASC. However, the data distributions of the audio…

Sound · Computer Science 2020-11-19 Zhao Ren , Qiuqiang Kong , Jing Han , Mark D. Plumbley , Björn W. Schuller

Acoustic scene classification (ASC) has been approached in the last years using deep learning techniques such as convolutional neural networks or recurrent neural networks. Many state-of-the-art solutions are based on image classification…

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…

Sound · Computer Science 2020-12-09 Jivitesh Sharma , Ole-Christoffer Granmo , Morten Goodwin

Acoustic scene classification systems using deep neural networks classify given recordings into pre-defined classes. In this study, we propose a novel scheme for acoustic scene classification which adopts an audio tagging system inspired by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-21 Jee-weon Jung , Hye-jin Shim , Ju-ho Kim , Seung-bin Kim , Ha-Jin Yu

Audio tagging aims to perform multi-label classification on audio chunks and it is a newly proposed task in the Detection and Classification of Acoustic Scenes and Events 2016 (DCASE 2016) challenge. This task encourages research efforts to…

Sound · Computer Science 2017-03-20 Yong Xu , Qiuqiang Kong , Qiang Huang , Wenwu Wang , Mark D. Plumbley

Deep neural networks face several challenges in hyperspectral image classification, including insufficient utilization of joint spatial-spectral information, gradient vanishing with increasing depth, and overfitting. To enhance feature…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Guandong Li , Mengxia Ye

Acoustic scenes are rich and redundant in their content. In this work, we present a spatio-temporal attention pooling layer coupled with a convolutional recurrent neural network to learn from patterns that are discriminative while…

Sound · Computer Science 2019-07-01 Huy Phan , Oliver Y. Chén , Lam Pham , Philipp Koch , Maarten De Vos , Ian McLoughlin , Alfred Mertins

We describe in this report our audio scene recognition system submitted to the DCASE 2016 challenge. Firstly, given the label set of the scenes, a label tree is automatically constructed. This category taxonomy is then used in the feature…

Neural and Evolutionary Computing · Computer Science 2016-08-16 Huy Phan , Lars Hertel , Marco Maass , Philipp Koch , Alfred Mertins

Cloud cover can significantly hinder the use of remote sensing images for Earth observation, prompting urgent advancements in cloud removal technology. Recently, deep learning strategies have shown strong potential in restoring…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Wenli Huang , Ye Deng , Yang Wu , Jinjun Wang

This technical report describes the details of our TASK1A submission of the DCASE2021 challenge. The goal of the task is to design an audio scene classification system for device-imbalanced datasets under the constraints of model…

Sound · Computer Science 2022-10-26 Byeonggeun Kim , Seunghan Yang , Jangho Kim , Simyung Chang

In recent years, neural network approaches have shown superior performance to conventional hand-made features in numerous application areas. In particular, convolutional neural networks (ConvNets) exploit spatially local correlations across…

Sound · Computer Science 2016-07-11 Yoonchang Han , Kyogu Lee

In this paper, we propose a method for incremental learning of two distinct tasks over time: acoustic scene classification (ASC) and audio tagging (AT). We use a simple convolutional neural network (CNN) model as an incremental learner to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-25 Manjunath Mulimani , Annamaria Mesaros

Convolutional neural networks (CNN) are one of the best-performing neural network architectures for environmental sound classification (ESC). Recently, temporal attention mechanisms have been used in CNN to capture the useful information…

Sound · Computer Science 2020-05-22 Helin Wang , Yuexian Zou , Dading Chong , Wenwu Wang