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In this paper, we analyze spatial sampling of electro- (EEG) magnetoencephalography (MEG), where the electric or magnetic field is typically sampled on a curved surface such as the scalp. Using simulated measurements, we study the…

Audio quality assessment is critical for assessing the perceptual realism of sounds. However, the time and expense of obtaining ''gold standard'' human judgments limit the availability of such data. For AR&VR, good perceived sound quality…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-27 Pranay Manocha , Anurag Kumar , Buye Xu , Anjali Menon , Israel D. Gebru , Vamsi K. Ithapu , Paul Calamia

We consider distributed estimation of a random source in a hierarchical power constrained wireless sensor network. Sensors within each cluster send their measurements to a cluster head (CH). CHs optimally fuse the received signals and…

Signal Processing · Electrical Eng. & Systems 2020-05-01 Mojtaba Shirazi , Azadeh Vosoughi

Evaluating the performance of a prediction model is a common task in medical statistics. Standard accuracy metrics require the observation of the true outcomes. This is typically not possible in the setting with time-to-event outcomes due…

Methodology · Statistics 2025-07-18 Zhenwei Yang , Dimitris Rizopoulos , Lisa F. Newcomb , Nicole S. Erler

Existing methods derive clinical functional metrics from ventricular semantic segmentation in cardiac cine sequences. While performing well on overall segmentation, they struggle with the end slices. To address this, we extract global…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yiwei Liu , Liang Zhong , Lingyi Wen , Yuankai Wu

Wide-area synchrophasor ambient measurements provide a valuable data source for real-time oscillation mode monitoring and analysis. This paper introduces a novel method for identifying inter-area oscillation modes using wide-area ambient…

Signal Processing · Electrical Eng. & Systems 2021-03-03 Shutang You

The INTEGRAL/SPI, X-gamma-ray spectrometer (20 keV - 8 MeV) is an instrument for which recovering source intensity variations is not straightforward and can constitute a difficulty for data analysis. In most cases, determining the source…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 L. Bouchet , P. -R Amestoy , A. Buttari , F. -H. Rouet , M. Chauvin

Electrocardiography (ECG) signals are frequently degraded by noise, limiting their clinical reliability in both conventional and wearable settings. Existing methods for addressing ECG noise, relying on artifact classification or denoising,…

Signal Processing · Electrical Eng. & Systems 2025-07-23 Tae-Seong Han , Jae-Wook Heo , Hakseung Kim , Cheol-Hui Lee , Hyub Huh , Eue-Keun Choi , Hye Jin Kim , Dong-Joo Kim

We consider an anisotropic search for the stochastic gravitational-wave (GW) background by decomposing the gravitational-wave sky into its spherical harmonics components. Previous analyses have used the diffraction limit to define the…

Instrumentation and Methods for Astrophysics · Physics 2022-07-20 Erik Floden , Vuk Mandic , Andrew Matas , Leo Tsukada

This paper studies an integrated sensing and communication (ISAC) system within a centralized cell-free massive MIMO (multiple-input multiple-output) network for target detection. ISAC transmit access points serve the user equipments in the…

Information Theory · Computer Science 2024-11-26 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Emil Björnson , Cicek Cavdar

Speech signals encode emotional, linguistic, and pathological information within a shared acoustic channel; however, disentanglement is typically assessed indirectly through downstream task performance. We introduce an information-theoretic…

Sound · Computer Science 2026-02-25 Bipasha Kashyap , Björn W. Schuller , Pubudu N. Pathirana

This study proposes a framework for incorporating wavenumber-domain acoustic reflection coefficients into sound field analysis to characterize direction-dependent material reflection and scattering phenomena. The reflection coefficient is…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-13 Satoshi Hoshika , Takahiro Iwami , Akira Omoto

A novel locally statistical active contour model (ACM) for image segmentation in the presence of intensity inhomogeneity is presented in this paper. The inhomogeneous objects are modeled as Gaussian distributions of different means and…

Computer Vision and Pattern Recognition · Computer Science 2013-05-31 Kaihua Zhang , Lei Zhang , Kin-Man Lam , David Zhang

This paper presents end-to-end learning from spectrum data - an umbrella term for new sophisticated wireless signal identification approaches in spectrum monitoring applications based on deep neural networks. End-to-end learning allows to…

Networking and Internet Architecture · Computer Science 2017-12-13 Merima Kulin , Tarik Kazaz , Ingrid Moerman , Eli de Poorter

Passive acoustics is a versatile tool for maritime situational awareness, enabling applications such as source detection and localization, marine mammal tracking, and geoacoustic inversion. This study focuses on estimating the range between…

Signal Processing · Electrical Eng. & Systems 2025-08-29 Junsu Jang , William S Hodgkiss , Florian Meyer

Room acoustics measurements are used in many areas of audio research, from physical acoustics modelling and speech enhancement to virtual reality applications. This paper documents the technical specifications and choices made in the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-24 Thomas McKenzie , Leo McCormack , Christoph Hold

The forthcoming generation of wireless technology, 6G, aims to usher in an era of ubiquitous intelligent services, where everything is interconnected and intelligent. This vision requires the seamless integration of three fundamental…

Information Theory · Computer Science 2024-12-19 Dingzhu Wen , Yong Zhou , Xiaoyang Li , Yuanming Shi , Kaibin Huang , Khaled B. Letaief

In whispering gallery mode resonator sensing applications, the conventional way to detect a change in the parameter to be measured is by observing the steady state transmission spectrum through the coupling waveguide. Alternatively, cavity…

Integrated Sensing And Communication (ISAC) has been identified as a key 6G application by ITU and 3GPP, with standardization efforts already underway. Sensing tasks, such as target localization, demand more precise characterization of the…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Yameng Liu , Jianhua Zhang , Yuxiang Zhang , Hongbo Xing , Yifeng Xiong , Zhiqiang Yuan , Guangyi Liu

Objective assessment of audio source-separation systems still mismatches subjective human perception, especially when interference from competing talkers and distortion of the target signal interact. We introduce Perceptual Separation (PS)…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-03 Amir Ivry , Samuele Cornell , Shinji Watanabe