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ID:39402255
大小:2.22 MB
页数:75页
时间:2019-07-02
《基于动态图像的脉搏运动分析方法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、兰州理工大学硕士学位论文基于动态图像的脉搏运动分析方法姓名:李向群申请学位级别:硕士专业:信号与信息处理指导教师:张爱华20070602基于动态图像的脉搏运动分析方法AbstractPulsediagnosisplaysanimportantroleinTraditionalChineseMedicine(TCM),asthemethodofnon-invasive,pulsediagnosishasbeenappliedtoclinicaldiagnosis.Butpulsetheoryisnotsystematic,andthestandardofdistinguish
2、ingsymptomisnotclear,SOasaresult,itisdifficultforTCMtopopularizeinthepractice.Alongwiththedevelopmentofthetechnologyofsensorsandcomputertechnology,therehasbeenagreatevolutioninthedomainoftheresearchaboutpulseacquisitionsensors.PeoplelookforwardtousingmoderntechnologyintheTCMdiagnosetoreali
3、zetherealityandcharacterofpulsemorescientifically.HowtoacquiremultidimensionalpulseinformationbasedonimageisnOWaquitenewresearcharea.Inthispaperitisproposedtouseonekindofimagepulseinformationcollectingdevicemadebyourselvestoobtainmultidimensional,dynamic,overallpulseinformation.Thismethodc
4、annotonlypromotetherealisticstudyofTCM,butalsocreatetheconditionforautomaticpulsediagnosis.Ithasbroadprospectofclinicalapplication.Inthispaperwefirstanalyzethemechanismaboutthegenerationofthepulse.Fromtheanalysiswemayknowthat,theformationofpulseisverycomplicatedforitisrelatedwithmanykindso
5、fbeingtissuesandorgans.Soitisnotenoughtoonlycollecttheinformationofpulsepressure.Itisnecessarytoimplement3-dimensionalanddynamicrelatedinformationcollecting.Startingfrombionicsandusingtheself—madepulseacquisitiondevicetocollect3-dimensionalanddynamicpulseinformationatradialartery.Comparing
6、withpreviouspulseacquisitionsensors,theproposedsensorcancollectmultidimensionalimage,andthenmakeanalyzingpulseinformationimagepossible.Thecollecteddynamicvideostreamcanbechangedintosingleframeimages,SOwecanextracttheimagecharactersbyenhancingthecontrast,smoothingthepictures,detectingtheedg
7、esandSOon.Subsequently,intheestimationofthree-dimensionalmovement,themovetracksofsomespecificpointscanbecapturedbybuildingmovementmodelandparameterestimation.Afterthat,theoptical—flowfieldsarecomputedrespectivelybyusingstandardoptical-flowmethodandconstructing
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