脑机接口1PPT课件PPT文档格式.ppt
- 文档编号:13168636
- 上传时间:2022-10-07
- 格式:PPT
- 页数:9
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脑机接口1PPT课件PPT文档格式.ppt
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1,Reporter:
@#@Number:
@#@,Brain-ComputerInterface,2,CONTENTS,IntroductionTheoryApplicationsFutureWork,3,whatisBCI?
@#@,Abraincomputerinterface(BCI),oftencalledamind-machineinterface(MMI),orsometimescalledabrainmachineinterface(BMI),isadirectcommunicationpathwaybetweenthebrainandanexternaldevice.,INTRODUCTION,4,.,EEG,Anelectroencephalogramisameasureofthebrainsvoltagefluctuationsasdetectedfromscalpelectrodes.Itisanapproximationofthecumulativeelectricalactivityofneurons.,fig1.electroencephalogram,5,theory,fig2.thestructureofBCIsystem,6,SignalAcquisition:
@#@tomeasureEEGfromscalp(non-invasive)orbrainsurface(invasive);@#@Signalrecording,amplification,digitization;@#@Pre-processing:
@#@toimprovesignal-to-noiseratio;@#@toimprovesignal-to-interferenceratioFeatureextraction/selection:
@#@toreducedimension;@#@tofindbestprojectiondirectionTranslationalgorithm:
@#@feature=command,7,Applications,FordisabledpeopleCommunicationsControlNeuralprothesesNeuralrehabilitationForordinarypeopleControlinspecialenvironmentBCIgameLiedetectionbasedonEEG/fMRI,8,FutureWork,ImprovingphysicalmethodsforgatheringEEGsImprovinggeneralizationImprovingknowledgeofhowtointerpretwaves(notjustthe“newphrenology”),9,Thankyouforyourattention,
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- 接口 PPT 课件