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This study introduces a novel unsupervised approach for separating overlapping heart and lung sounds using variational autoencoders (VAEs). In clinical settings, these sounds often interfere with each other, making manual separation…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-24 Yasaman Torabi , Shahram Shirani , James P. Reilly

Robust speech processing in multi-talker environments requires effective speech separation. Recent deep learning systems have made significant progress toward solving this problem, yet it remains challenging particularly in real-time, short…

Sound · Computer Science 2018-04-19 Yi Luo , Nima Mesgarani

Audio source separation is a difficult machine learning problem and performance is measured by comparing extracted signals with the component source signals. However, if separation is motivated by the ultimate goal of re-mixing then…

Sound · Computer Science 2015-05-05 Andrew J. R Simpson , Gerard Roma , Mark D. Plumbley

We propose a nonlinear acoustic echo cancellation system, which aims to model the echo path from the far-end signal to the near-end microphone in two parts. Inspired by the physical behavior of modern hands-free devices, we first introduce…

Sound · Computer Science 2021-06-28 Amir Ivry , Israel Cohen , Baruch Berdugo

Speech enhancement and speech separation are two related tasks, whose purpose is to extract either one or more target speech signals, respectively, from a mixture of sounds generated by several sources. Traditionally, these tasks have been…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-16 Daniel Michelsanti , Zheng-Hua Tan , Shi-Xiong Zhang , Yong Xu , Meng Yu , Dong Yu , Jesper Jensen

Deep convolutional neural networks are being actively investigated in a wide range of speech and audio processing applications including speech recognition, audio event detection and computational paralinguistics, owing to their ability to…

Machine Learning · Computer Science 2018-01-16 Che-Wei Huang , Shrikanth. S. Narayanan

Abstract Background: Pulmonary function tests (PFTs) and computed tomography (CT) imaging are vital in diagnosing, managing, and monitoring lung diseases. A common issue in practice is the lack of access to recorded pulmonary functions…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Kaiwen Geng , Zhiyi Shi , Xiaoyan Zhao , Alaa Ali , Jing Wang , Joseph Leader , Jiantao Pu

Infant cry detection is a crucial component of baby care system. In this paper, we propose a lightweight and robust method for infant cry detection. The method leverages blueprint separable convolutions to reduce computational complexity,…

Sound · Computer Science 2025-08-28 Haolin Yu , Yanxiong Li

Fetal motion discernment utilizing spectral images extracted from accelerometric data incident on pregnant mothers abdomen has gained substantial attention in the state-of-the-art research. It is an essential practice to avoid adverse…

Prenatal screening with ultrasound can lower neonatal mortality significantly for selected cardiac abnormalities. However, the need for human expertise, coupled with the high volume of screening cases, limits the practically achievable…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Jeremy Tan , Anselm Au , Qingjie Meng , Sandy FinesilverSmith , John Simpson , Daniel Rueckert , Reza Razavi , Thomas Day , David Lloyd , Bernhard Kainz

This study assesses deep learning models for audio classification in a clinical setting with the constraint of small datasets reflecting real-world prospective data collection. We analyze CNNs, including DenseNet and ConvNeXt, alongside…

Monitoring of prevalent airborne diseases such as COVID-19 characteristically involves respiratory assessments. While auscultation is a mainstream method for preliminary screening of disease symptoms, its utility is hampered by the need for…

Chest X-ray imaging remains the primary diagnostic tool for pulmonary and cardiac disorders worldwide, yet its accuracy is hampered by radiologist shortages and inter-observer variability. This study presents a systematic comparative…

Image and Video Processing · Electrical Eng. & Systems 2026-03-18 Ali M. Bahram , Saman Muhammad Omer , Hardi M. Mohammed

In this work, a novel deep neural network, designed to enhance the efficiency and effectiveness of unsupervised sound anomaly detection, is presented. The proposed model exploits an attention module and separable convolutions to identify…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-14 Michael Neri , Marco Carli

Recently there has been an explosion in the use of Deep Learning (DL) methods for medical image segmentation. However the field's reliability is hindered by the lack of a common base of reference for accuracy/performance evaluation and the…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Paschalis Bizopoulos , Nicholas Vretos , Petros Daras

One usage of medical ultrasound imaging is to visualize and characterize human tongue shape and motion during a real-time speech to study healthy or impaired speech production. Due to the low-contrast characteristic and noisy nature of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 M. Hamed Mozaffari , Won-Sook Lee

Objective. This work investigates the use of deep convolutional neural networks (CNN) to automatically perform measurements of fetal body parts, including head circumference, biparietal diameter, abdominal circumference and femur length,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-30 Szymon Płotka , Adam Klasa , Aneta Lisowska , Joanna Seliga-Siwecka , Michał Lipa , Tomasz Trzciński , Arkadiusz Sitek

Object detection and segmentation represents the basis for many tasks in computer and machine vision. In biometric recognition systems the detection of the region-of-interest (ROI) is one of the most crucial steps in the overall processing…

Computer Vision and Pattern Recognition · Computer Science 2019-02-04 Žiga Emeršič , Luka Lan Gabriel , Vitomir Štruc , Peter Peer

Segmentation is one of the most significant steps in image processing. Segmenting an image is a technique that makes it possible to separate a digital image into various areas based on the different characteristics of pixels in the image.…

Image and Video Processing · Electrical Eng. & Systems 2024-11-20 Sina Derakhshandeh , Ali Mahloojifar

A challenge in speech production research is to predict future tongue movements based on a short period of past tongue movements. This study tackles speaker-dependent tongue motion prediction problem in unlabeled ultrasound videos with…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Chaojie Zhao , Peng Zhang , Jian Zhu , Chengrui Wu , Huaimin Wang , Kele Xu