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In this paper, a special decision surface for the weakly-supervised sound event detection (SED) and a disentangled feature (DF) for the multi-label problem in polyphonic SED are proposed. We approach SED as a multiple instance learning…

Sound · Computer Science 2020-04-13 Liwei Lin , Xiangdong Wang , Hong Liu , Yueliang Qian

The goal of acoustic (or sound) events detection (AED or SED) is to predict the temporal position of target events in given audio segments. This task plays a significant role in safety monitoring, acoustic early warning and other scenarios.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-26 Wenhao Ding , Liang He

Class Incremental Learning (CIL) aims to sequentially learn new classes while avoiding catastrophic forgetting of previous knowledge. We propose to use Masked Autoencoders (MAEs) as efficient learners for CIL. MAEs were originally designed…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Jiang-Tian Zhai , Xialei Liu , Andrew D. Bagdanov , Ke Li , Ming-Ming Cheng

This paper proposes a benchmark of submissions to Detection and Classification Acoustic Scene and Events 2021 Challenge (DCASE) Task 4 representing a sampling of the state-of-the-art in Sound Event Detection task. The submissions are…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-02 Francesca Ronchini , Romain Serizel

Class-Incremental Learning (CIL) requires a learning system to continually learn new classes without forgetting. Despite the strong performance of Pre-Trained Models (PTMs) in CIL, a critical issue persists: learning new classes often…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Da-Wei Zhou , Hai-Long Sun , Han-Jia Ye , De-Chuan Zhan

Sound event localization and detection (SELD) is an emerging research topic that aims to unify the tasks of sound event detection and direction-of-arrival estimation. As a result, SELD inherits the challenges of both tasks, such as noise,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-28 Thi Ngoc Tho Nguyen , Karn N. Watcharasupat , Zhen Jian Lee , Ngoc Khanh Nguyen , Douglas L. Jones , Woon Seng Gan

Rehearsal-based techniques are commonly used to mitigate catastrophic forgetting (CF) in Incremental learning (IL). The quality of the exemplars selected is important for this purpose and most methods do not ensure the appropriate diversity…

Machine Learning · Computer Science 2023-12-18 Sahil Nokhwal , Nirman Kumar

A sound event detection (SED) method typically takes as an input a sequence of audio frames and predicts the activities of sound events in each frame. In real-life recordings, the sound events exhibit some temporal structure: for instance,…

Sound · Computer Science 2019-11-07 Konstantinos Drossos , Shayan Gharib , Paul Magron , Tuomas Virtanen

This report proposes a polyphonic sound event detection (SED) method for the DCASE 2021 Challenge Task 4. The proposed SED model consists of two stages: a mean-teacher model for providing target labels regarding weakly labeled or unlabeled…

Sound · Computer Science 2021-07-07 Nam Kyun Kim , Hong Kook Kim

Large pretrained language models (LMs) have shown impressive In-Context Learning (ICL) ability, where the model learns to do an unseen task via a prompt consisting of input-output examples as the demonstration, without any parameter…

Computation and Language · Computer Science 2023-06-21 Jiacheng Ye , Zhiyong Wu , Jiangtao Feng , Tao Yu , Lingpeng Kong

We propose a simple but efficient method termed Guided Learning for weakly-labeled semi-supervised sound event detection (SED). There are two sub-targets implied in weakly-labeled SED: audio tagging and boundary detection. Instead of…

Machine Learning · Computer Science 2020-02-05 Liwei Lin , Xiangdong Wang , Hong Liu , Yueliang Qian

This report presents our systems submitted to the audio-only and audio-visual tracks of the DCASE2025 Task 3 Challenge: Stereo Sound Event Localization and Detection (SELD) in Regular Video Content. SELD is a complex task that combines…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-08 Davide Berghi , Philip J. B. Jackson

Imitation learning has been a trend recently, yet training a generalist agent across multiple tasks still requires large-scale expert demonstrations, which are costly and labor-intensive to collect. To address the challenge of limited…

Robotics · Computer Science 2025-09-25 Yifan Ye , Jun Cen , Jing Chen , Zhihe Lu

Traditional machine learning systems are deployed under the closed-world setting, which requires the entire training data before the offline training process. However, real-world applications often face the incoming new classes, and a model…

Machine Learning · Computer Science 2022-10-27 Da-Wei Zhou , Fu-Yun Wang , Han-Jia Ye , De-Chuan Zhan

In this paper, we propose a novel four-stage data augmentation approach to ResNet-Conformer based acoustic modeling for sound event localization and detection (SELD). First, we explore two spatial augmentation techniques, namely audio…

Sound · Computer Science 2023-03-08 Qing Wang , Jun Du , Hua-Xin Wu , Jia Pan , Feng Ma , Chin-Hui Lee

As AI agents are increasingly used in the real open world with unknowns or novelties, they need the ability to (1) recognize objects that (a) they have learned before and (b) detect items that they have never seen or learned, and (2) learn…

Machine Learning · Computer Science 2024-10-22 Gyuhak Kim , Changnan Xiao , Tatsuya Konishi , Zixuan Ke , Bing Liu

Class-incremental learning (CIL) seeks to enable a model to sequentially learn new classes while retaining knowledge of previously learned ones. Balancing flexibility and stability remains a significant challenge, particularly when the task…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Fangwen Wu , Lechao Cheng , Shengeng Tang , Xiaofeng Zhu , Chaowei Fang , Dingwen Zhang , Meng Wang

The performances of Sound Event Detection (SED) systems are greatly limited by the difficulty in generating large strongly labeled dataset. In this work, we used two main approaches to overcome the lack of strongly labeled data. First, we…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-15 Hyeonuk Nam , Byeong-Yun Ko , Gyeong-Tae Lee , Seong-Hu Kim , Won-Ho Jung , Sang-Min Choi , Yong-Hwa Park

In this paper, we present a gated convolutional recurrent neural network based approach to solve task 4, large-scale weakly labelled semi-supervised sound event detection in domestic environments, of the DCASE 2018 challenge. Gated linear…

Sound · Computer Science 2018-10-17 Robert Harb , Franz Pernkopf

This paper presents the objective, dataset, baseline, and metrics of Task 3 of the DCASE2025 Challenge on sound event localization and detection (SELD). In previous editions, the challenge used four-channel audio formats of first-order…