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Analyzing radar signals from complex Electronic Warfare (EW) environment is a non-trivial task.However, in the real world, the changing EW environment results in inconsistent signal distribution, such as the pulse repetition interval (PRI)…

Machine Learning · Computer Science 2023-02-21 Honglin Wu , Xueqiong Li , Long Lan , Liyang Xu , Yuhua Tang

Machine hearing or listening represents an emerging area. Conventional approaches rely on the design of handcrafted features specialized to a specific audio task and that can hardly generalized to other audio fields. For example,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Imad Rida , Romain Hérault , Gilles Gasso

In recent years, machine learning has made significant progress in clinical outcome prediction, demonstrating increasingly accurate results. However, the substantial resources required for hospitals to train these models, such as data…

Machine Learning · Computer Science 2026-05-06 Ryan King , Conrad Krueger , Ethan Veselka , Tianbao Yang , Bobak J. Mortazavi

The S{\o}rensen--Dice Coefficient has recently seen rising popularity as a loss function (also known as Dice loss) due to its robustness in tasks where the number of negative samples significantly exceeds that of positive samples, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-05 Karn N. Watcharasupat , Thi Ngoc Tho Nguyen , Ngoc Khanh Nguyen , Zhen Jian Lee , Douglas L. Jones , Woon Seng Gan

In anomalous sound detection, the discriminative method has demonstrated superior performance. This approach constructs a discriminative feature space through the classification of the meta-information labels for normal sounds. This feature…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-17 Takuya Fujimura , Ibuki Kuroyanagi , Tomoki Toda

An immersive acoustic experience enabled by spatial audio is just as crucial as the visual aspect in creating realistic virtual environments. However, existing methods for room impulse response estimation rely either on data-demanding…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Derong Jin , Ruohan Gao

A recurrent issue in deep learning is the scarcity of data, in particular precisely annotated data. Few publicly available databases are correctly annotated and generating correct labels is very time consuming. The present article…

Sound · Computer Science 2019-06-25 Celine Jacques , Axel Roebel

Accurate noise modelling is important for training of deep learning reconstruction algorithms. While noise models are well known for traditional imaging techniques, the noise distribution of a novel sensor may be difficult to determine a…

Machine Learning · Computer Science 2018-07-11 Felix Horger , Tobias Würfl , Vincent Christlein , Andreas Maier

A deep neural network (DNN)-based speech enhancement (SE) aiming to maximize the performance of an automatic speech recognition (ASR) system is proposed in this paper. In order to optimize the DNN-based SE model in terms of the character…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-23 Ryosuke Sawata , Yosuke Kashiwagi , Shusuke Takahashi

Animal sounds can be recognised automatically by machine learning, and this has an important role to play in biodiversity monitoring. Yet despite increasingly impressive capabilities, bioacoustic species classifiers still exhibit imbalanced…

Diffusion probabilistic models have demonstrated an outstanding capability to model natural images and raw audio waveforms through a paired diffusion and reverse processes. The unique property of the reverse process (namely, eliminating…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-23 Yen-Ju Lu , Yu Tsao , Shinji Watanabe

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

We propose a method named AudioFormer,which learns audio feature representations through the acquisition of discrete acoustic codes and subsequently fine-tunes them for audio classification tasks. Initially,we introduce a novel perspective…

Sound · Computer Science 2023-08-28 Zhaohui Li , Haitao Wang , Xinghua Jiang

Sound event detection (SED) and Acoustic scene classification (ASC) are two widely researched audio tasks that constitute an important part of research on acoustic scene analysis. Considering shared information between sound events and…

Sound · Computer Science 2022-09-14 Daniel Aleksander Krause , Annamaria Mesaros

Acoustic signal acts as an essential input to many systems. However, the pure acoustic signal is very difficult to extract, especially in noisy environments. Existing beamforming systems are able to extract the signal transmitted from…

Sound · Computer Science 2022-10-03 Weiguo Wang , Jinming Li , Meng Jin , Yuan He

Large language models often achieve strong benchmark gains without corresponding improvements in broader capability. We hypothesize that this discrepancy arises from differences in training regimes induced by data distribution. To…

Machine Learning · Computer Science 2026-04-10 Hongjian Zou , Yidan Wang , Qi Ding , Yixuan Liao , Xiaoxin Chen

The performance of child speech recognition is generally less satisfactory compared to adult speech due to limited amount of training data. Significant performance degradation is expected when applying an automatic speech recognition (ASR)…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-26 Wei Liu , Jingyu Li , Tan Lee

It is often required to extract the sound of an objective instrument played in concert with other instruments. Microphone array is one of the effective ways to enhance a sound from a specific direction. However it is not effective in an…

Sound · Computer Science 2016-11-11 Naoya Takahashi , Mitsuharu Matsumoto , Shuji Hashimoto

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

The estimation of room impulse responses (RIRs) between static loudspeaker and microphone locations can be done using a number of well-established measurement and inference procedures. While these procedures assume a time-invariant acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-14 Kathleen MacWilliam , Thomas Dietzen , Randall Ali , Toon van Waterschoot