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Classifying EEG data is integral to the performance of Brain Computer Interfaces (BCI) and their applications. However, external noise often obstructs EEG data due to its biological nature and complex data collection process. Especially…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Eric Modesitt , Ruiqi Yang , Qi Liu

Detection and Classification Acoustic Scene and Events Challenge 2021 Task 4 uses a heterogeneous dataset that includes both recorded and synthetic soundscapes. Until recently only target sound events were considered when synthesizing the…

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

In a typical Event-Based Surveillance setting, a stream of web documents is continuously monitored for disease reporting. A structured representation of the disease reporting events is extracted from the raw text, and the events are then…

Computers and Society · Computer Science 2011-01-05 Avaré Stewar , Ricardo Lage , Ernesto Diaz-Aviles , Peter Dolog

In fact-checking applications, a common reason to reject a claim is to detect the presence of erroneous cause-effect relationships between the events at play. However, current automated fact-checking methods lack dedicated causal-based…

Computation and Language · Computer Science 2025-12-16 Youssra Rebboud , Pasquale Lisena , Raphael Troncy

This paper studies robust event classification using imperfect real-world phasor measurement unit (PMU) data. By analyzing the real-world PMU data, we find it is challenging to directly use this dataset for event classifiers due to the low…

Machine Learning · Computer Science 2021-10-20 Yunchuan Liu , Lei Yang , Amir Ghasemkhani , Hanif Livani , Virgilio A. Centeno , Pin-Yu Chen , Junshan Zhang

This paper is an investigation into aspects of an audio classification pipeline that will be appropriate for the monitoring of bird species on edges devices. These aspects include transfer learning, data augmentation and model optimization.…

Sound · Computer Science 2021-08-11 David Behr , Ciira wa Maina , Vukosi Marivate

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

Audiovisual scenes are pervasive in our daily life. It is commonplace for humans to discriminatively localize different sounding objects but quite challenging for machines to achieve class-aware sounding objects localization without…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Di Hu , Yake Wei , Rui Qian , Weiyao Lin , Ruihua Song , Ji-Rong Wen

Thanks to recent advances in deep learning, sophisticated generation tools exist, nowadays, that produce extremely realistic synthetic speech. However, malicious uses of such tools are possible and likely, posing a serious threat to our…

Sound · Computer Science 2022-09-29 Alessandro Pianese , Davide Cozzolino , Giovanni Poggi , Luisa Verdoliva

Process discovery is one of the primary process mining tasks and starting point for process improvements using event data. Existing process discovery techniques aim to find process models that best describe the observed behavior. The focus…

Databases · Computer Science 2023-02-23 Ali Norouzifar , Wil van der Aalst

Fake audio attack becomes a major threat to the speaker verification system. Although current detection approaches have achieved promising results on dataset-specific scenarios, they encounter difficulties on unseen spoofing data.…

Sound · Computer Science 2022-07-12 Haoxin Ma , Jiangyan Yi , Jianhua Tao , Ye Bai , Zhengkun Tian , Chenglong Wang

RetinaNet proposed Focal Loss for classification task and improved one-stage detectors greatly. However, there is still a gap between it and two-stage detectors. We analyze the prediction of RetinaNet and find that the misalignment of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Wu Kehe , Chen Zuge , Zhang Xiaoliang , Li Wei

Collecting overhead imagery using an event camera is desirable due to the energy efficiency of the image sensor compared to standard cameras. However, event cameras complicate downstream image processing, especially for complex tasks such…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Darryl Hannan , Ragib Arnab , Gavin Parpart , Garrett T. Kenyon , Edward Kim , Yijing Watkins

Knowledge distillation constitutes a simple yet effective way to improve the performance of a compact student network by exploiting the knowledge of a more powerful teacher. Nevertheless, the knowledge distillation literature remains…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Shuxuan Guo , Jose M. Alvarez , Mathieu Salzmann

Identification and localization of sounds are both integral parts of computational auditory scene analysis. Although each can be solved separately, the goal of forming coherent auditory objects and achieving a comprehensive spatial scene…

Sound · Computer Science 2019-12-24 Ivo Trowitzsch , Christopher Schymura , Dorothea Kolossa , Klaus Obermayer

Dense video captioning aims to generate corresponding text descriptions for a series of events in the untrimmed video, which can be divided into two sub-tasks, event detection and event captioning. Unlike previous works that tackle the two…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Qi Zhang , Yuqing Song , Qin Jin

This work explores class-incremental learning (CIL) for sound event detection (SED), advancing adaptability towards real-world scenarios. CIL's success in domains like computer vision inspired our SED-tailored method, addressing the unique…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-14 Yang Xiao , Rohan Kumar Das

In this work, we tackle a problem of speech emotion classification. One of the issues in the area of affective computation is that the amount of annotated data is very limited. On the other hand, the number of ways that the same emotion can…

Computation and Language · Computer Science 2018-04-02 Egor Lakomkin , Cornelius Weber , Stefan Wermter

Acoustic scene classification (ASC) and sound event detection (SED) are fundamental tasks in environmental sound analysis, and many methods based on deep learning have been proposed. Considering that information on acoustic scenes and sound…

Sound · Computer Science 2022-04-06 Keisuke Imoto , Yuka Komatsu , Shunsuke Tsubaki , Tatsuya Komatsu

Deep learning techniques have shown promising results in the automatic classification of respiratory sounds. However, accurately distinguishing these sounds in real-world noisy conditions remains challenging for clinical deployment. In…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-01 Jing-Tong Tzeng , Jeng-Lin Li , Huan-Yu Chen , Chun-Hsiang Huang , Chi-Hsin Chen , Cheng-Yi Fan , Edward Pei-Chuan Huang , Chi-Chun Lee