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Accurate classification of second-trimester fetal ultrasound images remains challenging due to low image quality, high intra-class variability, and significant class imbalance. In this work, we introduce a simple yet powerful, biologically…

Image and Video Processing · Electrical Eng. & Systems 2025-06-11 Rinat Prochii , Elizaveta Dakhova , Pavel Birulin , Maxim Sharaev

Speaker diarization remains challenging due to the need for structured speaker representations, efficient modeling, and robustness to varying conditions. We propose a performant, compact diarization framework that integrates conformer…

Sound · Computer Science 2025-06-16 David Palzer , Matthew Maciejewski , Eric Fosler-Lussier

Large-format (sub)millimeter wavelength imaging arrays are best operated in scanning observing modes rather than traditional position-switched (chopped) modes. The choice of observing mode is critical for isolating source signals from…

Astrophysics · Physics 2014-11-18 A. Kovacs

Reconstructed 3D ultrasound volume provides more context information compared to a sequence of 2D scanning frames, which is desirable for various clinical applications such as ultrasound-guided prostate biopsy. Nevertheless, 3D volume…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Hengtao Guo , Sheng Xu , Bradford J. Wood , Pingkun Yan

An ultrasonic Positioning System (UPS) has outperformed RF-based systems in terms of its accuracy for years. However, few of the developed solutions have been deployed in practice to satisfy the localization demand of today's smart devices,…

Networking and Internet Architecture · Computer Science 2018-12-11 Qiongzheng Lin , Zhenlin An , Lei Yang

We present a deep neural network approach for encoding microphone array signals into Ambisonics that generalizes to arbitrary microphone array configurations with fixed microphone count but varying locations and frequency-dependent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-02 Mikko Heikkinen , Archontis Politis , Konstantinos Drossos , Tuomas Virtanen

We generalize the recently proposed $\mathcal{P T}$-symmetric axion haloscope to a larger array with more $\mathcal{P T}$-symmetric structures. By broadening the response bandwidth of the signal without increasing the readout noise, the…

High Energy Physics - Phenomenology · Physics 2022-04-08 Yifan Chen , Minyuan Jiang , Yiqiu Ma , Jing Shu , Yuting Yang

Purpose: Ultrasound is the most commonly used medical imaging modality for diagnosis and screening in clinical practice. Due to its safety profile, noninvasive nature and portability, ultrasound is the primary imaging modality for fetal…

Image and Video Processing · Electrical Eng. & Systems 2024-01-19 Sonit Singh , Gordon Stevenson , Brendan Mein , Alec Welsh , Arcot Sowmya

Automatic cover detection -- the task of finding in an audio database all the covers of one or several query tracks -- has long been seen as a challenging theoretical problem in the MIR community and as an acute practical problem for…

Sound · Computer Science 2019-07-05 Guillaume Doras , Geoffroy Peeters

Ultrasound imaging is a commonly used technology for visualising patient anatomy in real-time during diagnostic and therapeutic procedures. High operator dependency and low reproducibility make ultrasound imaging and interpretation…

We present a novel approach to the 3D sound source localization task for distributed ad-hoc microphone arrays by formulating it as a set-to-set regression problem. By training a multi-modal masked autoencoder model that operates on audio…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-17 Axel Berg , Jens Gulin , Mark O'Connor , Chuteng Zhou , Karl Åström , Magnus Oskarsson

Parametric acoustic sources technique has been widely used in several fields of acoustics, especially in underwater acoustics with the aim to obtain very directive transducers. In this paper we present different studies and developments…

Instrumentation and Detectors · Physics 2011-12-13 S. Adrián-Martínez , M. Ardid , M. Bou-Cabo , G. Larosa , C. D. Llorens , J. A. Martínez-Mora

Robust segmentation is critical for deriving quantitative measures from large-scale, multi-center, and longitudinal medical scans. Manually annotating medical scans, however, is expensive and labor-intensive and may not always be available…

Purpose. Ability to locate and track ultrasound images in the 3D operating space is of great benefit for multiple clinical applications. This is often accomplished by tracking the probe using a precise but expensive optical or…

Image and Video Processing · Electrical Eng. & Systems 2022-05-11 Yitian Zhou , Gaétan Lelu , Boris Labbé , Guillaume Pasquier , Pierre Le Gargasson , Albert Murienne , Laurent Launay

Hashing plays an important role in information retrieval, due to its low storage and high speed of processing. Among the techniques available in the literature, multi-modal hashing, which can encode heterogeneous multi-modal features into…

Multimedia · Computer Science 2021-08-05 Jun Yu , Donglin Zhang , Zhenqiu Shu , Feng Chen

Accurate detection of thyroid lesions is a critical aspect of computer-aided diagnosis. However, most existing detection methods perform only one feature extraction process and then fuse multi-scale features, which can be affected by noise…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Lingtao Wang , Jianrui Ding , Fenghe Tang , Chunping Ning

We present a novel structured light technique that uses Single Photon Avalanche Diode (SPAD) arrays to enable 3D scanning at high-frame rates and low-light levels. This technique, called "Single-Photon Structured Light", works by sensing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Varun Sundar , Sizhuo Ma , Aswin C. Sankaranarayanan , Mohit Gupta

The present work deals with a new passive system for real-time detection, classification and direction of arrival estimator of Unmanned Aerial Vehicles (UAVs). The proposed system composed of a very low cost hardware components, comprises…

Audio and Speech Processing · Electrical Eng. & Systems 2019-03-01 Konstantinos Polyzos , Evangelos Dermatas

Metallic magnetic calorimeters (MMCs) are widely used for various experiments in fields ranging from atomic and nuclear physics to x-ray spectroscopy, laboratory astrophysics or material science. Whereas in previous experiments single pixel…

Instrumentation and Detectors · Physics 2015-06-17 S. Kempf , M. Wegner , L. Gastaldo , A. Fleischmann , C. Enss

Non-destructive testing is an important technique for detecting defects in multi-layer materials, enabling the evaluation of structural integrity without causing damage on test materials. Terahertz time-domain spectroscopy (THz-TDS) offers…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Dogus Can Sevdiren , Furkan H. Ilgac , Aydin Sezgin