脑机接口1PPT课件PPT文档格式.ppt

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,