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Objective: To determine if a realistic, but computationally efficient model of the electrocardiogram can be used to pre-train a deep neural network (DNN) with a wide range of morphologies and abnormalities specific to a given condition -…

机器学习 · 计算机科学 2022-01-03 Ismail Sadiq , Erick A. Perez-Alday , Amit J. Shah , Ali Bahrami Rad , Reza Sameni , Gari D. Clifford

Recent research in deep learning-based Sound Event Detection (SED) has primarily focused on Convolutional Recurrent Neural Networks (CRNNs) and Transformer models. However, conventional 2D convolution-based models assume shift invariance…

音频与语音处理 · 电气工程与系统科学 2025-06-17 Hyeonuk Nam

The quantification of emotional states is an important step to understanding wellbeing. Time series data from multiple modalities such as physiological and motion sensor data have proven to be integral for measuring and quantifying…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Kieran Woodward , Eiman Kanjo , Athanasios Tsanas

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…

神经与进化计算 · 计算机科学 2016-03-21 Lars Hertel , Huy Phan , Alfred Mertins

It is challenging to visually detect heart disease from the electrocardiographic (ECG) signals. Implementing an automated ECG signal detection system can help diagnosis arrhythmia in order to improve the accuracy of diagnosis. In this…

信号处理 · 电气工程与系统科学 2020-11-13 Jiacheng Wang , Weiheng Li

The design of high-resolution and cross-term (CT) free time-frequency distributions (TFDs) has been an open problem. Classical kernel based methods are limited by the trade-off between TFD resolution and CT suppression, even under optimally…

信号处理 · 电气工程与系统科学 2021-07-19 Lei Jiang , Haijian Zhang , Lei Yu , Guang Hua

There is a need to build intelligence in operating machinery and use data analysis on monitored signals in order to quantify the health of the operating system and self-diagnose any initiations of fault. Built-in control procedures can…

信号处理 · 电气工程与系统科学 2020-06-18 G. Zhang , A. R. Singer , N. Vlahopoulos

For image classification problems, various neural network models are commonly used due to their success in yielding high accuracies. Convolutional Neural Network (CNN) is one of the most frequently used deep learning methods for image…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Ilkay Sikdokur , Inci Baytas , Arda Yurdakul

Spectral Doppler measurements are an important part of the standard echocardiographic examination. These measurements give important insight into myocardial motion and blood flow providing clinicians with parameters for diagnostic decision…

图像与视频处理 · 电气工程与系统科学 2019-11-11 Andrew Gilbert , Marit Holden , Line Eikvil , Mariia Rakhmail , Aleksandar Babic , Svein Arne Aase , Eigil Samset , Kristin McLeod

Ambulatory electrocardiogram (ECG) readings are prone to mixed noise from physical activities, including baseline wander (BW), muscle artifact (MA), and electrode motion artifact (EM). Developing a method to remove such complex noise and…

信号处理 · 电气工程与系统科学 2026-05-29 Pengxin Li , Yimin Zhou , Jie Min , Yirong Wang , Wei Liang , Qingling Xia , Wang Li

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…

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

Building large models with parameter sharing accounts for most of the success of deep convolutional neural networks (CNNs). In this paper, we propose doubly convolutional neural networks (DCNNs), which significantly improve the performance…

机器学习 · 计算机科学 2016-11-01 Shuangfei Zhai , Yu Cheng , Weining Lu , Zhongfei Zhang

Asynchronous Time Series is a multivariate time series where all the channels are observed asynchronously-independently, making the time series extremely sparse when aligning them. We often observe this effect in applications with complex…

机器学习 · 计算机科学 2022-08-25 Vijaya Krishna Yalavarthi , Johannes Burchert , Lars Schmidt-Thieme

Automatic brain tumor segmentation plays an important role for diagnosis, surgical planning and treatment assessment of brain tumors. Deep convolutional neural networks (CNNs) have been widely used for this task. Due to the relatively small…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Guotai Wang , Wenqi Li , Sebastien Ourselin , Tom Vercauteren

Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu

In this work, a data-driven, modal decomposition method, the higher order dynamic mode decomposition (HODMD), is combined with a convolutional neural network (CNN) in order to improve the classification accuracy of several cardiac diseases…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Nourelhouda Groun , Maria Villalba-Orero , Lucia Casado-Martin , Enrique Lara-Pezzi , Eusebio Valero , Jesus Garicano-Mena , Soledad Le Clainche

Convolutional Neural Networks (CNNs) are currently adopted to solve an ever greater number of problems, ranging from speech recognition to image classification and segmentation. The large amount of processing required by CNNs calls for…

分布式、并行与集群计算 · 计算机科学 2018-06-06 Kamel Abdelouahab , Maxime Pelcat , Jocelyn Serot , François Berry

Deep learning has shown great potential for automated medical image segmentation to improve the precision and speed of disease diagnostics. However, the task presents significant difficulties due to variations in the scale, shape, texture,…

图像与视频处理 · 电气工程与系统科学 2024-09-06 Shahzaib Iqbal , Tariq M. Khan , Syed S. Naqvi , Asim Naveed , Erik Meijering

Time series forecasting is essential for a wide range of real-world applications. Recent studies have shown the superiority of Transformer in dealing with such problems, especially long sequence time series input(LSTI) and long sequence…

机器学习 · 计算机科学 2022-02-15 Li Shen , Yangzhu Wang