2014
DOI: 10.1504/ijes.2014.060920
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An embedded system for evoked biopotential acquisition and processing

Abstract: This work presents an autonomous embedded system for evoked biopotential acquisition and processing. The system is versatile and can be used on different evoked potential scenarios like medical equipments or brain computer interfaces, fulfilling the strict real-time constraints that they impose. The embedded system is based on an ARM9 processor with capabilities to port a real-time operating system. Initially, a benchmark of the Windows CE operative system running on the embedded system is presented in order t… Show more

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Cited by 9 publications
(5 citation statements)
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“…EEG signals were developed 8) to extract thinking actions and translate them into electrical commands to develop an embedded BCI system that can be For improved biopotential acquisition and processing, an autonomous embedded BCI system was developed 9) based on an ARM9 processor that can port a real-time operating system for visualevoked potentials. The results show that this application recovered visual evoked potentials using fast Fourier transform (FFT) by extracting frequency-domain features from BCI signals and stimulus-locked interlace correlation (SLIC); thus, a classification method based on EEG signals in the time domain was proposed.…”
Section: Review Of Bci Applicationsmentioning
confidence: 99%
“…EEG signals were developed 8) to extract thinking actions and translate them into electrical commands to develop an embedded BCI system that can be For improved biopotential acquisition and processing, an autonomous embedded BCI system was developed 9) based on an ARM9 processor that can port a real-time operating system for visualevoked potentials. The results show that this application recovered visual evoked potentials using fast Fourier transform (FFT) by extracting frequency-domain features from BCI signals and stimulus-locked interlace correlation (SLIC); thus, a classification method based on EEG signals in the time domain was proposed.…”
Section: Review Of Bci Applicationsmentioning
confidence: 99%
“…It is the task of the classification algorithm to detect this delay in order to determine which stimulus the user is looking at. In the second case, the user is presented with visual stimuli blinking at different frequencies [12]. The classification algorithm in this case must determine which is the predominant frequency in the obtained record.…”
Section: Ssvep-based Bci Implementation 231 Steady State Visually Evoked Potentialsmentioning
confidence: 99%
“…Dentro de los SE, aquellos de tiempo real son un caso particular que plantea numerosos problemas a resolver en campos diversos como circuitos digitales y microprocesadores, sistemas operativos de tiempo real [Laplante, 1992], procesamiento digital de señales [Proakis y Manolakis, 1996], procesamiento analógico de señales [Pallás Areny y Webster, 1999], diseño de hardware y desarrollo de software. El tema es de actualidad y está en continuo desarrollo, siendo habituales las publicaciones científicas sobre la implementación de estos sistemas [Stanciu et al, 2017] [ Zulzilawat et al, 2017] [García et al, 2014.a] [Short, 2008].…”
Section: Introductionunclassified