中文
相关论文

相关论文: An Adaptive Feature Extraction Algorithm for Class…

200 篇论文

In this work, we propose an ensemble of classifiers to distinguish between various degrees of abnormalities of the heart using Phonocardiogram (PCG) signals acquired using digital stethoscopes in a clinical setting, for the INTERSPEECH 2018…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Ahmed Imtiaz Humayun , Md. Tauhiduzzaman Khan , Shabnam Ghaffarzadegan , Zhe Feng , Taufiq Hasan

Electrocardiogram (ECG), a technique for medical monitoring of cardiac activity, is an important method for identifying cardiovascular disease. However, analyzing the increasing quantity of ECG data consumes a lot of medical resources. This…

信号处理 · 电气工程与系统科学 2022-10-13 Xinyao Hou , Shengmei Qin , Jianbo Su

For many real data, long term observation consists of different processes that coexist or occur one after the other. Those processes very often exhibit different statistical properties and thus before the further analysis the observed data…

统计理论 · 数学 2016-05-30 Kucharczyk Daniel. Wyłomańska Agnieszka , Zimroz Radosław

Due to the recent advances in the area of deep learning, it has been demonstrated that a deep neural network, trained on a huge amount of data, can recognize cardiac arrhythmias better than cardiologists. Moreover, traditionally feature…

机器学习 · 计算机科学 2019-09-16 Milad Salem , Shayan Taheri , Jiann Shiun-Yuan

Adaptive stretching, where the post compression signal is iteratively stretched to maximize the correlation between the pre and post compression rf echo frames, has demonstrated superior performance compared to gradient based methods. At…

组织与器官 · 定量生物学 2022-10-25 Shaiban Ahmed , Rasheed Abid , S. Kaisar Alam

Survival analysis is a widely-used technique for analyzing time-to-event data in the presence of censoring. In recent years, numerous survival analysis methods have emerged which scale to large datasets and relax traditional assumptions…

机器学习 · 计算机科学 2023-11-06 Mert Ketenci , Shreyas Bhave , Noémie Elhadad , Adler Perotte

Cardiovascular disease (CVDs) is one of the universal deadly diseases, and the detection of it in the early stage is a challenging task to tackle. Recently, deep learning and convolutional neural networks have been employed widely for the…

信号处理 · 电气工程与系统科学 2022-03-01 Hanshi Sun , Ao Wang , Ninghao Pu , Zhiqing Li , Junguang Huang , Hao Liu , Zhi Qi

Interpretation of electrocardiography (ECG) signals is required for diagnosing cardiac arrhythmia. Recently, machine learning techniques have been applied for automated computer-aided diagnosis. Machine learning tasks can be divided into…

In this paper a new algorithm for adaptive dynamic channel estimation for frequency selective time varying fading OFDM channels is proposed. The new algorithm adopts a new strategy that successfully increases OFDM symbol rate. Instead of…

最优化与控制 · 数学 2010-09-23 Wessam M. Afifi , Hassan M. Elkamchouchi

The detection of abnormal fetal heartbeats during pregnancy is important for monitoring the health conditions of the fetus. While adult ECG has made several advances in modern medicine, noninvasive fetal electrocardiography (FECG) remains a…

信号处理 · 电气工程与系统科学 2023-02-28 Yu Xuan , Xiangyu Zhang , Shuyue Stella Li , Zihan Shen , Xin Xie , Leibny Paola Garcia , Roberto Togneri

Aortic valve opening (AO) events are crucial for detecting frequency and rhythm disorders, especially in real-world settings where seismocardiography (SCG) signals collected via consumer smartphones are subject to noise, motion artifacts,…

定量方法 · 定量生物学 2026-01-21 Peter Golenderov , Yaroslav Matushenko , Anastasia Tushina , Michal Barodkin

Measurement samples are often taken in various monitoring applications. To reduce the sensing cost, it is desirable to achieve better sensing quality while using fewer samples. Compressive Sensing (CS) technique finds its role when the…

信息论 · 计算机科学 2016-11-18 Ying Li , Kun Xie , Xin Wang

Heart diseases constitute a global health burden, and the problem is exacerbated by the error-prone nature of listening to and interpreting heart sounds. This motivates the development of automated classification to screen for abnormal…

声音 · 计算机科学 2016-12-07 Yuhao Zhang , Sandeep Ayyar , Long-Huei Chen , Ethan J. Li

We propose a novel adaptive importance sampling algorithm which incorporates Stein variational gradient decent algorithm (SVGD) with importance sampling (IS). Our algorithm leverages the nonparametric transforms in SVGD to iteratively…

机器学习 · 统计学 2017-07-26 Jun Han , Qiang Liu

Feature extraction is a method of capturing visual content of an image. The feature extraction is the process to represent raw image in its reduced form to facilitate decision making such as pattern classification. We have tried to address…

计算机视觉与模式识别 · 计算机科学 2012-08-13 V. P. Gladis Pushpa Rathi , S. Palani

Recent advancements in foundation models, such as the Segment Anything Model (SAM), have shown strong performance in various vision tasks, particularly image segmentation, due to their impressive zero-shot segmentation capabilities.…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Pengfei Gu , Haoteng Tang , Islam A. Ebeid , Jose A. Nunez , Fabian Vazquez , Diego Adame , Marcus Zhan , Huimin Li , Bin Fu , Danny Z. Chen

In the past few years, deep learning algorithms have been widely used for cardiac image segmentation. However, most of these architectures rely on convolutions that hardly model long-range dependencies, limiting their ability to extract…

人工智能 · 计算机科学 2024-10-25 Nicolas Portal , Nadjia Kachenoura , Thomas Dietenbeck , Catherine Achard

Cardiovascular system diseases can be identified by using a specialized diagnostic process utilizing a digital stethoscope. Digital stethoscopes provide phonocardiography (PCG) recordings for further inspection, besides filtering and…

信号处理 · 电气工程与系统科学 2024-02-21 Ibrahim Ozkan , Atila Yilmaz

Intuitive human-machine interfaces may be developed using pattern classification to estimate executed human motions from electromyogram (EMG) signals generated during muscle contraction. The continual use of EMG-based interfaces gradually…

信号处理 · 电气工程与系统科学 2023-10-03 Seitaro Yoneda , Akira Furui

In this work a constrained adaptive filtering strategy based on conjugate gradient (CG) and set-membership (SM) techniques is presented for adaptive beamforming. A constraint on the magnitude of the array output is imposed to derive an…

信息论 · 计算机科学 2013-02-05 L. Wang , R. C. de Lamare