Introduction to acoustic event and scene analysis

K Imoto - Acoustical Science and Technology, 2018 - jstage.jst.go.jp
Acoustic event and scene analysis has seen extensive development because it is valuable
in applications such as monitoring of elderly people and infants, surveillance, life-logging …

Weakly-supervised sound event detection with self-attention

K Miyazaki, T Komatsu, T Hayashi… - ICASSP 2020-2020 …, 2020 - ieeexplore.ieee.org
In this paper, we propose a novel sound event detection (SED) method that incorporates a
self-attention mechanism of the Transformer for a weakly-supervised learning scenario. The …

Listen as you wish: Fusion of audio and text for cross-modal event detection in smart cities

H Tang, Y Hu, Y Wang, S Zhang, M Xu, J Zhu… - Information Fusion, 2024 - Elsevier
In the era of smart cities, the advent of the Internet of Things technology has catalyzed the
proliferation of multimodal sensor data, presenting new challenges in cross-modal event …

Impact of sound duration and inactive frames on sound event detection performance

K Imoto, S Mishima, Y Arai… - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
In many methods of sound event detection (SED), a segmented time frame is regarded as
one data sample to model training. The durations of sound events greatly depend on the …

[HTML][HTML] Impact of data imbalance caused by inactive frames and difference in sound duration on sound event detection performance

K Imoto, S Mishima, Y Arai, R Kondo - Applied Acoustics, 2022 - Elsevier
Sound event detection (SED) is a major topic in machine listening research. In many SED
methods, a segmented time frame is considered as one data sample for model training. The …

Spatial cepstrum as a spatial feature using a distributed microphone array for acoustic scene analysis

K Imoto, N Ono - IEEE/ACM Transactions on Audio, Speech …, 2017 - ieeexplore.ieee.org
In this paper, with the aim of using the spatial information obtained from a distributed
microphone array employed for acoustic scene analysis, we propose a robust and efficient …

Joint analysis of acoustic events and scenes based on multitask learning

N Tonami, K Imoto, M Niitsuma… - … IEEE Workshop on …, 2019 - ieeexplore.ieee.org
Acoustic event detection and scene classification are major research tasks in environmental
sound analysis, and many methods based on neural networks have been proposed …

Joint analysis of sound events and acoustic scenes using multitask learning

N Tonami, K Imoto, R Yamanishi… - … on Information and …, 2021 - search.ieice.org
Sound event detection (SED) and acoustic scene classification (ASC) are important
research topics in environmental sound analysis. Many research groups have addressed …

Acoustic event detection with classifier chains

T Komatsu, S Watanabe, K Miyazaki… - arxiv preprint arxiv …, 2022 - arxiv.org
This paper proposes acoustic event detection (AED) with classifier chains, a new classifier
based on the probabilistic chain rule. The proposed AED with classifier chains consists of a …

Scene-dependent acoustic event detection with scene conditioning and fake-scene-conditioned loss

T Komatsu, K Imoto, M Togami - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
In this paper, we propose scene-dependent acoustic event detection (AED) with scene
conditioning and fake-scene-conditioned loss. The proposed method employs a multitask …