Electrical& Computer Electrical& Computer 34Associate ProfessorHe is at the present post since 2007 after a research associate of the university of electro-communications. He is interested in information theory. Also has a career as a system engineer.Masami HashimotoAssociate ProfessorHe is interested in human computer interaction, support technology for disabled person, biomedical engineering.EngineeringEngineeringOurgroupisworkingprimarilyondevelopingnewhuman-computerinterfacestosupportpeoplewithseveredisabilities.Toassistpeoplewithdisabilitieswhohavedifficultycommunicatingwithordinarydevices,wehavedevelopedaninputmethodthatanalyzesbrainwavesinresponsetovisualandauditorystimuli.Wearealsoresearchinginputdevicesthatuseeyegaze.Weareworkingonvariousmeasurementsrelatedtothehumanbody,suchasevaluationofbodybalanceusingaccelerationsensorsandevaluationofhumanfacialexpressionsfromfacialimages.Communication,broadcast,andreadingandwritingonastoragecanberegardedasprocessesofdeliveringinformationfromsourcestodestinations.Inourlab,weformulatethemathematicalmodelsofvariousinformationsystemsandexplorethetheoreticallimitsofthetheirperformance.Forexample,theimplementationofastreamingsystemrequiresaninvestigationoftradeoffbetweenthebandwidthandthecompression.Althoughmanykindsofsuchproductsarealreadyavailableforusage,thetruthbehindthephenomenonisstillnotclear.MikihikoNishiaraInourlab,youcandevelopyourprogrammingskillsbecauseyouwillusecomputersimulationsinyourresearch.Youwillalsoearnthetrustofyourcolleaguesasyoutraintoexpressyourunderstandingtoothers.Inthenearfuture,wewillbesurroundingbymoreandmorecomputers.Theexamplesarewearablecomputersandubiquitouscomputingsystems.Manykindsofhumancomputerinterfaceswillbesoughtafterandwearegoingtocontributetosuchasociety.Ahalfofourgraduatesenrollsinmaster'scourses.Andtheyarestudyingnewhumancomputerinterfacesthatareeasytouse.In the Futurethestartofdigital-broadcasting,emergencyAttogetherwithimagedata.signalsweresentHowever,thecompressionprocessofimagedelaysanemergencysignal,andsotheyareprocessedseparatelynow.Byinvestigatingthetradeoffbetweentheprocessingandthedelay,wecanimprovethetransmissionoftheemergencysignals.After GraduationIn the FutureAfter GraduationturnsoutitthatNo intellect, no information. The nature of information is digital and discrete. It is invisible, but we can depict it with mathematical science.Each student handles his/her individual research problem.Discussion with the peers is important tosolve it. We must develop partnership and friendship.Block diagram of brain computer interface systemHeadset for brain computer interfaceRevealing the Limits of the Source Coding ProblemsDevelopment of the User Friendly Computer Interface
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