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This paper addresses the problem of multiple-speaker localization in noisy and reverberant environments, using binaural recordings of an acoustic scene. A Gaussian mixture model (GMM) is adopted, whose components correspond to all the…

Sound · Computer Science 2017-10-06 Xiaofei Li , Laurent Girin , Sharon Gannot , Radu Horaud

This article investigates the use of deep neural networks (DNNs) for hearing-loss compensation. Hearing loss is a prevalent issue affecting millions of people worldwide, and conventional hearing aids have limitations in providing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-16 Peter Leer , Jesper Jensen , Laurel H. Carney , Zheng-Hua Tan , Jan Østergaard , Lars Bramsløw

This study aims to develop a deep learning system for an accessibility device for the deaf or hearing impaired. The device will accurately localize and identify sound sources in real time. This study will fill an important gap in current…

Machine Learning · Computer Science 2025-07-22 Jiayu , Liu

We propose a novel deep neural network architecture for speech recognition that explicitly employs knowledge of the background environmental noise within a deep neural network acoustic model. A deep neural network is used to predict the…

Computation and Language · Computer Science 2016-10-03 Suyoun Kim , Bhiksha Raj , Ian Lane

In ultrasound tomography, the speed of sound inside an object is estimated based on acoustic measurements carried out by sensors surrounding the object. An accurate forward model is a prominent factor for high-quality image reconstruction,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Janne Koponen , Timo Lähivaara , Jari Kaipio , Marko Vauhkonen

This work presents a novel framework based on feed-forward neural network for text-independent speaker classification and verification, two related systems of speaker recognition. With optimized features and model training, it achieves 100%…

Sound · Computer Science 2017-03-20 Zhenhao Ge , Ananth N. Iyer , Srinath Cheluvaraja , Ram Sundaram , Aravind Ganapathiraju

We present a novel algorithm for dynamic routing with dedicated path protection which, as the presented simulation results suggest, can be efficient and exact. We present the algorithm in the setting of optical networks, but it should be…

Networking and Internet Architecture · Computer Science 2021-09-22 Ireneusz Szcześniak , Ireneusz Olszewski , Bożena Woźna-Szcześniak

Recently, a method has been proposed to estimate the direction of arrival (DOA) of a single speaker by minimizing the frequency-averaged Hermitian angle between an estimated relative transfer function (RTF) vector and a database of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Daniel Fejgin , Simon Doclo

Reliability is of paramount importance for the physical layer of wireless systems due to its decisive impact on end-to-end performance. However, the uncertainty of prevailing deep learning (DL)-based physical layer algorithms is hard to…

Signal Processing · Electrical Eng. & Systems 2023-02-07 Wentao Yu , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

Building extraction is an essential component of study in the science of remote sensing, and applications for building extraction heavily rely on semantic segmentation of high-resolution remote sensing imagery. Semantic information…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Tareque Bashar Ovi , Nomaiya Bashree , Protik Mukherjee , Shakil Mosharrof , Masuma Anjum Parthima

The problem of estimating the number of sources and their angles of arrival from a single antenna array observation has been an active area of research in the signal processing community for the last few decades. When the number of sources…

Signal Processing · Electrical Eng. & Systems 2019-02-19 Oded Bialer , Noa Garnett , Tom Tirer

Recognizing acoustic events is an intricate problem for a machine and an emerging field of research. Deep neural networks achieve convincing results and are currently the state-of-the-art approach for many tasks. One advantage is their…

Neural and Evolutionary Computing · Computer Science 2016-03-21 Lars Hertel , Huy Phan , Alfred Mertins

Neural segmentation has a great impact on the smooth implementation of local anesthesia surgery. At present, the network for the segmentation includes U-NET [1] and SegNet [2]. U-NET network has short training time and less training…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Chenyang Xu , Mengxin Li

Optimizing a network of maps among a collection of objects/domains (or map synchronization) is a central problem across computer vision and many other relevant fields. Compared to optimizing pairwise maps in isolation, the benefit of map…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Zaiwei Zhang , Zhenxiao Liang , Lemeng Wu , Xiaowei Zhou , Qixing Huang

Spatial aliasing affects spaced microphone arrays, causing directional ambiguity above certain frequencies, degrading spatial and spectral accuracy of beamformers. Given the limitations of conventional signal processing and the scarcity of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-21 Mateusz Guzik , Giulio Cengarle , Daniel Arteaga

Speech enhancement at extremely low signal-to-noise ratio (SNR) condition is a very challenging problem and rarely investigated in previous works. This paper proposes a robust speech enhancement approach (UNetGAN) based on U-Net and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-30 Xiang Hao , Xiangdong Su , Zhiyu Wang , Hui Zhang , Batushiren

We discuss a new neural network-based direction of arrival estimation scheme that tackles the estimation task as a multidimensional classification problem. The proposed estimator uses a classification chain with as many stages as the number…

Signal Processing · Electrical Eng. & Systems 2022-03-25 Andreas Barthelme , Wolfgang Utschick

This paper proposes a paradigm of uncertainty injection for training deep learning model to solve robust optimization problems. The majority of existing studies on deep learning focus on the model learning capability, while assuming the…

Machine Learning · Computer Science 2023-02-28 Wei Cui , Wei Yu

Efficient intravascular access in trauma and critical care significantly impacts patient outcomes. However, the availability of skilled medical personnel in austere environments is often limited. Autonomous robotic ultrasound systems can…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Rohini Banerjee , Cecilia G. Morales , Artur Dubrawski

This work is concerned with an inverse scattering problem of determining unknown scatterers from time-dependent acoustic measurements. A novel time-domain direct sampling method is developed to efficiently determine both the locations and…

Numerical Analysis · Mathematics 2023-12-08 Yukun Guo , Hongjie Li , Xianchao Wang
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