نتایج جستجو برای: سیستم bci

تعداد نتایج: 78023  

Journal: :IEEE Trans. Comput. Intellig. and AI in Games 2013
Alexander Kaplan Sergei L. Shishkin Ilya P. Ganin Ivan A. Basyul Alexander Y. Zhigalov

The P300-based brain-computer interface (P300 BCI) is currently a very popular topic in assistive technology development. However, only a few simple P300 BCI based-games have been designed so far. Here, we analyze the shortcomings of this BCI in gaming applications and show that solutions for overcoming them already exist, although these techniques are dispersed over several different games. Ad...

Journal: :The journal of trauma and acute care surgery 2012
Keith Clancy Catherine Velopulos Jaroslaw W Bilaniuk Bryan Collier William Crowley Stanley Kurek Felix Lui Donna Nayduch Ayodele Sangosanya Brian Tucker Elliott R Haut

BACKGROUND Diagnosing blunt cardiac injury (BCI) can be difficult. Many patients with mechanism for BCI are admitted to the critical care setting based on associated injuries; however, debate surrounds those patients who are hemodynamically stable and do not otherwise require a higher level of care. To allow safe discharge home or admission to a nonmonitored setting, BCI should be definitively ...

Journal: :IJCBPL 2014
Junshi Lu Yujia Peng

As a new way of implementing human-computer interface, brain-computer interfaces (BCI) dramatically change the user experiences and have broad applications in cyber behavior research. This methodological review attempts to provide an overall picture of the BCI science and its role in cyberpsychology. After an introduction of BCI and the literature search methods used in this review, we offer an...

2014
Xiaoyan Mao Huijie Zhou

We consider the notion of an isomorphism between two hyper BCI-algebras and obtain all of the hyper BCI-algebras of order 3. It is shown that there exist 14 proper hyper BCI-algebras and 5 proper weak hyper BCI-algebras of order 3 up to isomorphism. Finally, further study on the theory of hyper BCI-algebra and its related hyper structure and applications of our results in information sciences a...

Journal: :International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2012
Tobias Kaufmann Claus Vögele Stefan Sütterlin Steve Lukito Andrea Kübler

OBJECTIVE Brain computer interfaces (BCI) can serve as a communication system for people with severe impairment in speech and motor function due to neurodegenerative disease or injury. Reasons for inter-individual differences in capability of BCI usage are not yet fully understood. Paradigms making use of the P300 event-related potential are widely used. Success in a P300 based BCI requires the...

Journal: :Annals of translational medicine 2015
Ujwal Chaudhary Niels Birbaumer

In a recent study by Sellers et al. (1) a patient in locked-in state after brainstem stroke was able to successfully communicate via electroencephalography (EEG) based brain computer interface (BCI) employing a P300 speller paradigm. BCI uses the brain signal, which can either be the electrical signal (electroencephalography-EEG) (2) or a change in hemodynamic activity [functional magnetic reso...

2017
Xueling Ma Jianming Zhan

In this paper, we study soft rough BCI-algebras with respect to MSapproximation spaces. Some new soft rough operations over BCI-algebras are explored. In particular, lower and upper soft rough BCI-algebras with another soft set are investigated. Finally, a kind of decision making method for soft rough BCI-algebras are originally investigated.

2012
Muhammad Siddiq Sheikh Kashif Raffat Farhan Shafiq

Brain Computer Interface (BCI) enable paralyze peoples to interact and control their environment by defining the direct communication between human feelings (brain) and technological aspects (external device). The feature extraction and translation of commands in BCI are the critical tasks, which are the key of BCI system. Using the semantic method will enhance the both of these features. Nowad...

2008
Anton Nijholt Jan B.F. van Erp Dirk Heylen

In this position paper we describe part of the Dutch BrainGain research project on Brain Computer Interfacing (BCI) and our planned research in this project. We focus on BCI research for healthy users. In the BrainGain project our task is to look at Human Factors aspects of BCI applications, to look at multimodal interactions that include BCI interactions, and to design games, game environments...

2009
Minjin Ko Kyoungwoo Bae Gyuhwan Oh Taiyoung Ryu

Brain-Computer Interface (BCI) is a way to control computers by using human brain waves. As the technology has improved, BCI devices have become smaller and cheaper, making it possible for more individuals to buy them. This allows BCI to be applied to new fields outside of pure research, including entertainment. We examine whether BCI devices can be used as a new gaming device, approaching it f...

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