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Systolic murmurs are extra heart sounds that occur during the contraction phase of the cardiac cycle, often indicating heart abnormalities caused by turbulent blood flow. Their intensity, pitch, and quality vary, requiring precise…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Mahmoud Fakhry , Abeer FathAllah Brery

Non-invasive at-home monitoring of lung and lung airways health enables the early detection and tracking of respiratory diseases like asthma and chronic obstructive pulmonary disease (COPD). Various proposed approaches estimate the…

信号处理 · 电气工程与系统科学 2021-10-12 Maria Nyamukuru , Kofi Odame

Generative models have gained more and more attention in recent years for their remarkable success in tasks that required estimating and sampling data distribution to generate high-fidelity synthetic data. In speech, text-to-speech…

音频与语音处理 · 电气工程与系统科学 2024-03-27 Alexander H. Liu , Matt Le , Apoorv Vyas , Bowen Shi , Andros Tjandra , Wei-Ning Hsu

Auscultation is a key method for early diagnosis of respiratory and pulmonary diseases, relying on skilled healthcare professionals. However, the process is often subjective, with variability between experts. As a result, numerous deep…

声音 · 计算机科学 2025-09-05 Yun Chu , Qiuhao Wang , Enze Zhou , Qian Liu , Gang Zheng

Articulatory-to-acoustic (forward) mapping is a technique to predict speech using various articulatory acquisition techniques (e.g. ultrasound tongue imaging, lip video). Real-time MRI (rtMRI) of the vocal tract has not been used before for…

音频与语音处理 · 电气工程与系统科学 2020-08-04 Tamás Gábor Csapó

This study presents a fully automated methodology for early prediction studies in clinical settings, leveraging information extracted from unstructured discharge reports. The proposed pipeline uses discharge reports to support the three…

We present an efficient and realistic geometric acoustic simulation approach for generating and augmenting training data in speech-related machine learning tasks. Our physically-based acoustic simulation method is capable of modeling…

声音 · 计算机科学 2021-09-28 Zhenyu Tang , Lianwu Chen , Bo Wu , Dong Yu , Dinesh Manocha

Previous speech pre-training methods, such as wav2vec2.0 and HuBERT, pre-train a Transformer encoder to learn deep representations from audio data, with objectives predicting either elements from latent vector quantized space or…

声音 · 计算机科学 2022-04-08 Shuo Ren , Shujie Liu , Yu Wu , Long Zhou , Furu Wei

Language model pre-training and derived methods are incredibly impactful in machine learning. However, there remains considerable uncertainty on exactly why pre-training helps improve performance for fine-tuning tasks. This is especially…

机器学习 · 计算机科学 2022-08-08 Matthew B. A. McDermott , Brendan Yap , Peter Szolovits , Marinka Zitnik

Abstract grammatical knowledge - of parts of speech and grammatical patterns - is key to the capacity for linguistic generalization in humans. But how abstract is grammatical knowledge in large language models? In the human literature,…

计算与语言 · 计算机科学 2023-11-16 James A. Michaelov , Catherine Arnett , Tyler A. Chang , Benjamin K. Bergen

Early detection of asthma in children is crucial to prevent long-term respiratory complications and reduce emergency interventions. This work presents an AI-powered diagnostic pipeline that leverages Googles Health Acoustic Representations…

声音 · 计算机科学 2025-04-30 Abul Ehtesham , Saket Kumar , Aditi Singh , Tala Talaei Khoei

Fractional Gaussian noise (fGn) is a self-similar stochastic process used to model anti-persistent or persistent dependency structures in observed time series. Properties of the autocovariance function of fGn are characterised by the Hurst…

统计方法学 · 统计学 2016-11-22 Sigrunn Holbek Sørbye , Håvard Rue

The rapidly increasing prevalence of debilitating breathing disorders, such as chronic obstructive pulmonary disease (COPD), calls for a meaningful integration of artificial intelligence (AI) into healthcare. While this promises improved…

医学物理 · 物理学 2022-10-07 Harry J. Davies , Ghena Hammour , Hongjian Xiao , Danilo P. Mandic

In this study, we investigated whether self-supervised pretraining could produce a neural network feature extractor applicable to multiple classification tasks in B-mode lung ultrasound analysis. When fine-tuning on three lung ultrasound…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Blake VanBerlo , Brian Li , Jesse Hoey , Alexander Wong

Speech data has rich acoustic and paralinguistic information with important cues for understanding a speaker's tone, emotion, and intent, yet traditional large language models such as BERT do not incorporate this information. There has been…

计算与语言 · 计算机科学 2023-11-14 Fatema Hasan , Yulong Li , James Foulds , Shimei Pan , Bishwaranjan Bhattacharjee

We investigate the effectiveness of convolutive prediction, a novel formulation of linear prediction for speech dereverberation, for speaker separation in reverberant conditions. The key idea is to first use a deep neural network (DNN) to…

声音 · 计算机科学 2021-08-17 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

The various speech sounds of a language are obtained by varying the shape and position of the articulators surrounding the vocal tract. Analyzing their variations is crucial for understanding speech production, diagnosing speech disorders…

图像与视频处理 · 电气工程与系统科学 2020-02-04 Mohammad Eslami , Christiane Neuschaefer-Rube , Antoine Serrurier

This paper introduces a new method for multi-channel time domain speech separation in reverberant environments. A fully-convolutional neural network structure has been used to directly separate speech from multiple microphone recordings,…

音频与语音处理 · 电气工程与系统科学 2020-11-12 Jisi Zhang , Catalin Zorila , Rama Doddipatla , Jon Barker

We present the first approach to automated audio captioning. We employ an encoder-decoder scheme with an alignment model in between. The input to the encoder is a sequence of log mel-band energies calculated from an audio file, while the…

声音 · 计算机科学 2017-10-25 Konstantinos Drossos , Sharath Adavanne , Tuomas Virtanen

Spectro-temporal dynamics of consonant-vowel (CV) transition regions are considered to provide robust cues related to articulation. In this work, we propose an objective measure of precise articulation, dubbed the objective articulation…

音频与语音处理 · 电气工程与系统科学 2022-03-21 Vikram C. Mathad , Julie M. Liss , Kathy Chapman , Nancy Scherer , Visar Berisha