CT与磁共振图像融合技术的研究

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1、南京航空航天大学硕士学位论文CT与磁共振图像融合技术的研究姓名：王林艳申请学位级别：硕士专业：生物医学工程指导教师：王惠南20070101CT与磁共振图像融合技术的研究ABSTRACTRecently,imagefusionhasbecomeanimportanttechnologyinimagecomprehendandcomputervision,especiallyinmedicaldomain.Doctorscangetdifferentdetailsfromdifferentmedicalimagesbecaus

2、eofthedifferentimagingtheoryofmedicalinstrumentsandapplication.Imagefusioncancombinekindsofusefulinformationandbecomeakeymeansinclinicdiagnoseandmedicalresearch.ThroughthecomplementaryinformationthefusedCTandMRimagewhicharethemostcommonimageinclinicdiseasediagnose

3、willcontainmoreabundant,intuitionisticandcomprehensivedetails,improvingtheveracityandcorrectnessinthecourseofdiseasediagnose.TheissuelaysastrongemphasisontheimagefusiontechnologybasedonCTandMRimage.First,itdiscussesthetheoryandcharacteristicsoftraditionalmedicalim

4、agefusionmethodsandanalysesthelimitationswiththeexperimentalresultsthen,presentsseveralkindsofruleswhichareappliedtoCTandMRimagefusionthroughadoptingtheadvancedwavelettransform,suchaswavelet-weighted,regionalenergyandfrequencydomainmethodandsoon.Experimentalresult

5、sshowthatimagefusionmethodbasedonwavelettransformcanachievebettereffects;meanwhilethispaperstudiestheevaluationofCTandMRimagefusionforthecharacteristicsofmedicalimages.Finally,itconductsapreliminaryresearchaboutmedicalimagefusiontechnologybasedonthethree-dimension

6、alreconstruction.OneoftheinnovationsoftheissueisofferingamorecomprehensiveandvaluableselectionmethodbasedonCTandMRfusionevaluation.Thepurposeofstudyingevaluationofimagefusionwhichisanimportantandcomplextaskisnottotellgoodfrombadofkindsofmedicalimagefusionmethodson

7、specialoccasions,butofferaselectionmethodfordifferentapplicationoccasions.Anotherinnovationinthepaperisconductingapreliminaryacademicresearchaboutmedicalimagefusionmethodbasedonthethree-dimensionalreconstructionwhichovercomesthelimitationofrequisiteregistrationbef

8、orethefusionintraditionalmethods.Thismethodissimplyandcanbeappliedinawiderscope.Keywords：imagefusion,medicalimage,wavelettransform,evaluatemeasures,3-Df