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Sound event detection with weakly labeled data is considered as a problem of multi-instance learning. And the choice of pooling function is the key to solving this problem. In this paper, we proposed a hierarchical pooling structure to…

Sound · Computer Science 2025-05-06 Ke-Xin He , Yu-Han Shen , Wei-Qiang Zhang

In an intelligent transportation system, the key problem of traffic forecasting is how to extract periodic temporal dependencies and complex spatial correlations. Current state-of-the-art methods for predicting traffic flow are based on…

Machine Learning · Computer Science 2022-03-01 Zichuan Liu , Rui Zhang , Chen Wang , Zhu Xiao , Hongbo Jiang

In the field of audio-visual learning, most research tasks focus exclusively on short videos. This paper focuses on the more practical Dense Audio-Visual Event Localization (DAVEL) task, advancing audio-visual scene understanding for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Ziheng Zhou , Jinxing Zhou , Wei Qian , Shengeng Tang , Xiaojun Chang , Dan Guo

Sound event detection (SED) is essential for recognizing specific sounds and their temporal locations within acoustic signals. This becomes challenging particularly for on-device applications, where computational resources are limited. To…

Sound · Computer Science 2024-02-07 Yang Xiao , Rohan Kumar Das

Learning meaningful frame-wise features on a partially labeled dataset is crucial to semi-supervised sound event detection. Prior works either maintain consistency on frame-level predictions or seek feature-level similarity among…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Yiming Li , Xiangdong Wang , Hong Liu , Rui Tao , Long Yan , Kazushige Ouchi

The success of retrieval-augmented language models in various natural language processing (NLP) tasks has been constrained in automatic speech recognition (ASR) applications due to challenges in constructing fine-grained audio-text…

Sound · Computer Science 2024-02-06 Jiaming Zhou , Shiwan Zhao , Yaqi Liu , Wenjia Zeng , Yong Chen , Yong Qin

Audio deepfake detection is increasingly important as synthetic speech becomes more realistic and accessible. Recent methods, including those using graph neural networks (GNNs) to model frequency and temporal dependencies, show strong…

Sound · Computer Science 2026-01-13 Falih Gozi Febrinanto , Kristen Moore , Chandra Thapa , Jiangang Ma , Vidya Saikrishna

This paper considers a semi-supervised learning framework for weakly labeled polyphonic sound event detection problems for the DCASE 2019 challenge's task4 by combining both the tri-training and adversarial learning. The goal of the task4…

Sound · Computer Science 2019-10-16 Hyoungwoo Park , Sungrack Yun , Jungyun Eum , Janghoon Cho , Kyuwoong Hwang

Prior work has primarily formulated CA-HAR as a multi-label classification problem, where model inputs are time-series sensor data and target labels are binary encodings representing whether a given activity or context occurs. These CA-HAR…

Machine Learning · Computer Science 2025-04-11 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

The Audio-Visual Video Parsing task aims to identify and temporally localize the events that occur in either or both the audio and visual streams of audible videos. It often performs in a weakly-supervised manner, where only video event…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Jinxing Zhou , Dan Guo , Yiran Zhong , Meng Wang

In this paper, we present a time-contrastive learning (TCL) based bottleneck (BN)feature extraction method for speech signals with an application to text-dependent (TD) speaker verification (SV). It is well-known that speech signals exhibit…

Sound · Computer Science 2019-05-14 Achintya Kr. Sarkar , Zheng-Hua Tan

Sound event detection (SED) aims at identifying audio events (audio tagging task) in recordings and then locating them temporally (localization task). This last task ends with the segmentation of the frame-level class predictions, that…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-25 Leo Cances , Patrice Guyot , Thomas Pellegrini

The ranking of sound event detection (SED) systems may be biased by assumptions inherent to evaluation criteria and to the choice of an operating point. This paper compares conventional event-based and segment-based criteria against the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Giacomo Ferroni , Nicolas Turpault , Juan Azcarreta , Francesco Tuveri , Romain Serizel , Çagdaş Bilen , Sacha Krstulović

Object detection with event cameras benefits from the sensor's low latency and high dynamic range. However, it is costly to fully label event streams for supervised training due to their high temporal resolution. To reduce this cost, we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Ziyi Wu , Mathias Gehrig , Qing Lyu , Xudong Liu , Igor Gilitschenski

In recent years, Event Sound Source Localization has been widely applied in various fields. Recent works typically relying on the contrastive learning framework show impressive performance. However, all work is based on large relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yue Li , Baiqiao Yin , Jinfu Liu , Jiajun Wen , Jiaying Lin , Mengyuan Liu

This study presents an audio-visual information fusion approach to sound event localization and detection (SELD) in low-resource scenarios. We aim at utilizing audio and video modality information through cross-modal learning and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-24 Ya Jiang , Qing Wang , Jun Du , Maocheng Hu , Pengfei Hu , Zeyan Liu , Shi Cheng , Zhaoxu Nian , Yuxuan Dong , Mingqi Cai , Xin Fang , Chin-Hui Lee

Temporal action localization (TAL) is a prevailing task due to its great application potential. Existing works in this field mainly suffer from two weaknesses: (1) They often neglect the multi-label case and only focus on temporal modeling.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Congqi Cao , Yizhe Wang , Yue Lu , Xin Zhang , Yanning Zhang

In this study, we address the multimodal task of stereo sound event localization and detection with source distance estimation (3D SELD) in regular video content. 3D SELD is a complex task that combines temporal event classification with…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-09 Davide Berghi , Philip J. B. Jackson

Many state-of-the-art systems for audio tagging and sound event detection employ convolutional recurrent neural architectures. Typically, they are trained in a mean teacher setting to deal with the heterogeneous annotation of the available…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-28 Wim Boes , Hugo Van hamme

Text clustering, as one of the most fundamental challenges in unsupervised learning, aims at grouping semantically similar text segments without relying on human annotations. With the rapid development of deep learning, deep clustering has…

Computation and Language · Computer Science 2023-04-24 Mingjun Zhao , Mengzhen Wang , Yinglong Ma , Di Niu , Haijiang Wu