نتایج جستجو برای: electrocardiogram signal

تعداد نتایج: 430563  

Journal: :VNU Journal of Science: Medical and Pharmaceutical Sciences 2019

Journal: :Biomimetics 2023

Recently, swarm intelligence algorithms have received much attention because of their flexibility for solving complex problems in the real world. a new algorithm called colony predation (CPA) has been proposed, taking inspiration from predatory habits groups nature. However, CPA suffers poor exploratory ability and cannot always escape solutions known as local optima. Therefore, to improve glob...

Journal: :SN applied sciences 2021

Abstract Significant advances in deep learning techniques have made it possible to offer technologically advanced methods detect cardiac abnormalities. In this study, we proposed a new based Restricted Boltzmann machine (RBM) model for the classification of arrhythmias from Electrocardiogram (ECG) signal. The work is divided into three phases where, first phase, signal processing performed, inc...

2013
Weifang Zhu Heming Zhao Dehui Xiang Xinjian Chen

Empirical mode decomposition (EMD) is an adaptive method for nonlinear, non-stationary signal analysis. However, the upper and lower envelopes fitted by cubic spline interpolation (CSI) may often occur overshoots. In this paper, a new envelope fitting method based on the flattest constrained interpolation is proposed. The proposed method effectively integrates the difference between extremes in...

Journal: :research in cardiovascular medicine 0
mohammadvahid jorat cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran sina raafat cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran zahra ansari cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran; cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran. fax: +98-3535253335 leila mahdavi-anari cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran mahdieh ghanbari-firoozabadi cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran

conclusions supervised in-hospital exercise training was associated with improvements in saecg-measured electrical activity post-mi. results cardiac rehabilitation led to significant improvements in qrs duration (p < 0.001), square root of amplitude in the last 40 ms (p < 0.001) and duration of terminal signal with low amplitude (p < 0.001). cardiac rehabilitation also resulted in amelioration ...

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