紙面記錄曲線的數(shù)字化方法及其應用.pdf

1、福建農業(yè)大學碩士學位論文紙面記錄曲線的數(shù)字化方法及其應用姓名：何金成申請學位級別：碩士專業(yè)：農業(yè)機械化工程指導教師：張性雄2003.4.1ANEWMETHODFORDIGITIZINGPAPERBASEDTESTINGCURVESHeJincheng(CollegeOfElectricalAndMechanicalEngineering，F(xiàn)ujianAgriculturalAndForestry，F(xiàn)uZhou，F(xiàn)ujianPRC3500

2、02)AbstractInthispaper，anewmethodtodigitalizetestingcurvesrecordedonpaper，isproposedtoresolvetheexistingprobleroswithprocessingthemanualpaper—basedcurvesAscannerisusedtogaintheimageofpaper—basedtestingcurvesAspecialcompu

3、terprogram——animage—processedprogramisdevelopedwhichusedtecognizeandsegmentthecurvesandthe1inesofcalibrationinitsbackgroundAalgorithmofOstumethodwithmaximumvariancebetweentwoclassesbasedonthreeprimary—colorisintroducedto

4、getthethresholdofcurvesimagesegmentationAndafastthinningalgorithmbasedoffdoubleedgedetectionandthecharacterofthecurvesisalsointroducedwhichcouldextractthecurvesreliablyandeffectivelyasthesametimeasimagethinningThismethod