重迭細(xì)胞圖像分割法及癌細(xì)胞圖像處理過程研究.pdf

1、東北大學(xué)碩士學(xué)位論文重迭細(xì)胞圖像分割法及癌細(xì)胞圖像處理過程研究姓名：劉桂娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：蔣本鐵20050201東北夫?qū)W碩士學(xué)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