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1、河北工业大学硕士学位论文模拟退火混合遗传算法在脑电源定位问题上的应用姓名:于静申请学位级别:硕士专业:计算机应用技术指导教师:吴清20061101模拟退火混合遗传算法在脑电源定位问题上的应用EEGSOURCELOCALIZATIONBASEDONSIMULATEDANNEALINGGENETICALGORITHMABSTRACTStudiesonthehumanbraincharacteristicistheInterdisciplinarystudieswhichbasesonthephysics,thebiology,thebodyst
2、udy,thepsychologyandtheinformationtheory.Itisafrontdomainofcurrentscientificandtechnical.Tosurvey,analyzeandimitatethefunctionofcerebrumfromtheprojectdisciplineangleisakeyresearch,moreandmoreattachingimportancetotheinternationalacademics.Thelocalizationquestionaboutbrainpo
3、wersource,namelyinverseproblembasedonEEGsignal,isrealizestheinformationofhumanbraininteriorelectricityactivityaccordingtotheelectricpotentialofscalpobservation.Itarisepeople'swidespreadinterestanditsresearchresultswillmakeimportantimpactonperson'sfeeling,cognitionprocessan
4、dnervediseasediagnosis.Inthispaper,themethodsforsolvingtheEEGinverseproblemareinvestigatedindetailsandtheresearchworkisfocusedonthefollowingseveralaspects:1)AnalyzetheinsufficientofSAandGAandputforwardaHybridgeneticalgorithm,whichbasedonthesimulatedannealing.Itabsorbslocal
5、searchcapabilityofGAandglobalsearchcapabilityofSA.Itavoidseffectivelythecommondefectsofearlyconvergenceandtheworsepartialsearch.Resultsfromcasestudiesshowthattheimprovementiseffective.2)BringforwardadaptivearithmetictoavoidprematurityproblemandbetestedusingSchaffer2functio
6、n.3)Thehybridgeneticalgorithmhasbeendevelopedinsolvingtheparametersofdipoles.TheexperimentalresultindicatedthatthismethodenhancedsolutionspeedandtheprecisionandprovidedawaytotheEEGproblem.4)Advantageousforteachersandstudentstosharematerial,thisarticleproposedamanagementsys
7、temofgraduatedesignmaterial,whichbasedonmixedB/SandC/SAdvantageousforteachersandstudentstosharematerial,thisarticleproposedamanagementsystemofgraduatedesignmaterial,whichbasedonmixedB/SandC/S.KEYWORDS:EEGinverseproblem,dipole,hybridgeneticalgorithm,struts,MVC,B/S,C/Sii河北工业
8、大学硕士学位论文第一章绪论人们最早采取实证的方法观察和研究大脑及其产物是在19世纪末期。然而到20世纪60年代,对脑的研究才真正进入飞速发展的黄金时期。近几十年来,脑科学出现了爆