نتایج جستجو برای: EMG signals

تعداد نتایج: 197662  

Background: Deep learning has revolutionized artificial intelligence and has transformed many fields. It allows processing high-dimensional data (such as signals or images) without the need for feature engineering. The aim of this research is to develop a deep learning-based system to decode motor intent from electromyogram (EMG) signals. Methods: A myoelectric system based on convolutional ne...

ژورنال: سلامت کار ایران 2012
بختیاری, امیر هوشنگ , سوان, اوین, صادقی نایینی, حسن, کلینی ممقانی, ناصر,

  Background and aims : In our daily lives hand tools are often used in many work situations. With respect to design characteristics, hand tools can be considered a risk factor when a high level of repetition are required or when awkward postures are adopted. Therefore attention to ergonomics design rules for hand tools is the most important factor in design process. With this in mind, the aim ...

Journal: :Journal of neurophysiology 2010
Osmar Pinto Neto Evangelos A Christou

Rectification of EMG signals is a common processing step used when performing electroencephalographic-electromyographic (EEG-EMG) coherence and EMG-EMG coherence. It is well known, however, that EMG rectification alters the power spectrum of the recorded EMG signal (interference EMG). The purpose of this study was to determine whether rectification of the EMG signal influences the capability of...

2009
Osmar Pinto Neto Evangelos A. Christou Camilo Castelo Branco

26 Rectification of EMG signals is a common processing step used when performing EEG-EMG 27 coherence and EMG-EMG coherence. It is well known, however, that EMG rectification alters 28 the power spectrum of the recorded EMG signal (interference EMG). The purpose of this study 29 was to determine whether rectification of the EMG signal influences the capability to capture the 30 oscillatory inpu...

Journal: :journal of biomedical physics and engineering 0
m ghofrani jahromi h parsaei a zamani m dehbozorgi

background: electromyographic (emg) signal decomposition is the process by which an emg signal is decomposed into its constituent motor unit potential trains (mupts). a major step in emg decomposition is feature extraction in which each detected motor unit potential (mup) is represented by a feature vector. as with any other pattern recognition system, feature extraction has a significant impac...

Journal: :Journal of Applied Physiology 2008

2012
R. A. R. C. Gopura Kazuo Kiguchi

The electromyographic signals abbreviated as EMG, represent the amount of electrical potential generated by the muscle cells when they contract or when they are at rest. Basically, EMG signals can be classified into two types according to the place where they are extracted. The EMG signals detect from inside of the muscles are called as intramuscular EMG whereas EMG signals detect from skin sur...

Ali Akbar Akbari Mahdi Talasaz,

Introduction In order to improve the quality of life of amputees, biomechatronic researchers and biomedical engineers have been trying to use a combination of various techniques to provide suitable rehabilitation systems. Diverse biomedical signals, acquired from a specialized organ or cell system, e.g., the nervous system, are the driving force for the whole system. Electromyography(EMG), as a...

A Zamani, H Parsaei, M Dehbozorgi M Ghofrani Jahromi

Background: Electromyographic (EMG) signal decomposition is the process by which an EMG signal is decomposed into its constituent motor unit potential trains (MUPTs). A major step in EMG decomposition is feature extraction in which each detected motor unit potential (MUP) is represented by a feature vector. As with any other pattern recognition system, feature extraction has a significant impac...

2017
Akira Furui Hideaki Hayashi Go Nakamura Takaaki Chin Toshio Tsuji

This paper proposes an artificial electromyogram (EMG) signal generation model based on signal-dependent noise, which has been ignored in existing methods, by introducing the stochastic construction of the EMG signals. In the proposed model, an EMG signal variance value is first generated from a probability distribution with a shape determined by a commanded muscle force and signal-dependent no...

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