资源描述：
《A new circle detection method based on hough transform》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、The7thInternationalConferenceonComputerScience&Education(ICCSE2012)July14-17,2012.Melbourne,AustraliaThP5.1ANewConcentricCircleDetectionMethodBasedonHoughTransformXingChenLingLuYangGaoCollegeofElectricalEngineeringandCollegeofElectricalEngineeringandDepartmentofAutomationRene
2、wableEnergyRenewableEnergyXiamenUniversityChinaThreeGorgesUniversityChinaThreeGorgesUniversityXiamen,ChinaYichang,ChinaYichang,Chinatarzangy@sina.comDepartmentofAutomationluling@ctgu.edu.cnXiamenUniversityXiamen,Chinaflyxing2012@163.comAbstract—Anewapproachofconcentriccircled
3、etectioniscirclesdetectionalgorithmformachinevisiondevelopmenthasproposedinthispaper.Firstly,theimageispreprocessedbyacertainresearchsignificance.denosing,edgedetection,andthenthecirclecentersareallocatedbythegradientHoughtransform,atlast,theradiusaredetectedAtpresent,thepoin
4、t,lineandcircledetectionalgorithmbytheimprovedone-dimensionalHoughtransform.Theresearcharewidelystudied,themostcommonalgorithmisdetectionefficiencyisenhancedbyimagediscretizationandHoughtransformalgorithm[5],butassofar,thespecificcasereducedresolutionratiointheprocessofcircle
5、centerdetection,ofconcentriccircledetectionhasreceivedlittleattention[6]andprovesthatthecirclecenterisonthegradientlineofcircle[7].Severalscholarsmadesomestudyofconcentriccirclesedgepoints;meanwhile,theradiusdetectionaccuracyisdetection.Referringfromthecollecteddocuments,most
6、improvedbymergingthesimilarradiusintheprocessofradiusalgorithmsapplythecharacteristicpointsonacircumferencetodetection.Experimentalresultsshowthatthemethodcombineddetectconcentriccircles,suchasin[7]and[8],firstly,threewithgradientHoughtransformandone-dimensionalHoughdifferent
7、pointsinthesamecircumferencearefound;thenthetransformhasgoodreliabilityandishighadaptivetonoise,parametersofcirclegeneralequationareobtainedaccordingtodistortion,areaofincomplete,edgediscontinuous.Analysisthethreepoints’coordinatestogetallthecirclesoftheshowsthatthisnewconcen
8、triccircledetectionalgorithmreducesconcentriccircle;finally,theconce
