重迭細胞圖像分割法及癌細胞圖像處理過程研究.pdf

1、東北大學碩士學位論文重迭細胞圖像分割法及癌細胞圖像處理過程研究姓名：劉桂娟申請學位級別：碩士專業(yè)：計算機系統(tǒng)結構指導教師：蔣本鐵20050201東北夫學碩士學位論文ABsTRACTStudyontheOverlappingCellImageSegmentationandtheProcessingCoursefortheCancerCellImageAbstractCervicalcancerisacommonmalignantturno

2、utinmycountryitsmortalityisthesecondamonggynaecologytumours，itharmswomen’Shealth，SOwomenshouldpayattentiontoitForepartdiagnosingcervicalcancerisakeyfactortoimprovethecurabilityofcervicalcancerandthesurvialprobabilityofap

3、atient，it’SasignificantgoalforthemenwhodefendgynaecologycaneerIt’SanimperativeproblemtodesignanautomaticdiagnosessystemforcervicalsmearsFirstofall，cellsegmentationandrecognizationisthemostimportantanddifficultfacet，Onthe

4、otherhandtheoverlappingcellrecognizationisharderthanthatduringthecellimagesprocessingofcervicalcancelResolvingtheoverlappingcellregionsegmentationproblemissignificantfordiagnosingillness，rationanalysisingcellinformationa

5、ndcellvariationOverlappingcellshavemuchproportionamongcancercellimages，SOit’StheemphasisofthepaperThepaperhasstudiedthestepsandmeansofcervicalcancercolorcellimageprocessing，theprocessingofthiskindofcancercellisthoughthas

6、foursteps：imagepre—processing，overlappingcellsegmentation，featurevalueextractionandneuralnetworkdistinguishingDuringthepre—processing，theapproprialethresholdswillbefoundwiththetraitofcancercellandthemethodofdiagramtwo—pe

7、akThentheuniformityimageoflessernoiseisgainedbydisposingimageandusingbinarymethodCellcontoursaredistilledonthebaseofthebinaryimageDuringtheoverlappingceilssegmentationprocessing，firstly，mainskeletonsofcellimageareextract

8、edbyusingskeletontheorythenumberofoverlappingcellsisdistinguishedfrommainskeleton；secondlycellcontoursareapproximatedtopolygonbyusinggeneticalgorithm，SOthenumberofdotsprocessedisreduced；thirdlycircularassumptiontheoryish

9、andledtomodifyoverlappingcellsgeometrysegmentationmethodwhichhasfoundparallelofthelongestaxis，andlatentsegmentationdotsisfoundbycomparingdistancebetweensuckdotsandparallel，SOsegmentationofdoublecellsisrealized；finallytwo