基于圖像處理的散貨船港航交重計(jì)量系統(tǒng).pdf

1、大連海事大學(xué)碩士學(xué)位論文基于圖像處理的散貨船港航交重計(jì)量系統(tǒng)姓名：劉丹申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：信息與通信工程指導(dǎo)教師：孟麗艷201206英文摘要ABSTRACTDraftsurveyisamethodofthroughthedeterminationofship’Saveragedraftcorrespondingtothedifferenceinvalueofdisplacementbeforeandafterunloadingded

2、uctotherloadweightandcalculatetheamountofdeadweightThemethodisusuallyastheme嬲urementofthemajorbulks，suchascoal，ore，fertilizerandSO0nThepapermainlydoestheresearchonhowtogetthepositionofthewaterlineusingimageprocessingtech

3、nologywhichisnoteasyforhumaneyeAccordingtothecharacteristicsofdraftimageacquisition，thepaperadoptsclimbingrobotasthecarrierofimageacquisitiondeviceThepaperadoptsalgorithmprocessingdraftimagebasedonmorphological，projectio

4、nandimagesegmentationInordertoimprovethemeasurementprecisionusingthehighresolutionimageacquisitiondeviceForreducingthevolumeofthefollowingupprocessing，thepaperfirstlytakethebinarysegmentationtogetthecharactersareaofhighb

5、rightness，andprojectionstatisticsintheheightofimagedirectionthenextracttherecent“M”characterareafromwaterlineandtiltcorreetiorhnextsegmentthe“M”regionalandidentifythedigitalbeforethe‘‘M”Segmentationandrecognitionthesmall

6、characterbelowthe“M”anddeterminedthecharacterwhichiSnearestfromthewaterlineInordertopreventtheshapeofshipinfluencethesizeofcharacterswecouldusethenumberofpixelsformeasurestanders，the‘‘M”charactersorthedigitalwhichisneare

7、stfromthewaterlineandrecognitionClippingthecolorimagewimaboundarythatisthebottomedgeofidentifieddigitalAndthensegmentingthecolorimageandextractingthelongestboundaryandfiringthewaterlinepositionAccordingtothecharacteristi

8、csofthedraftcharacterwecarriedoutafullimagepretreatmentprocess，includingthecharactersegmentation，tiltcorrectionandimageclippingwhich_hasgoodprocessingandrecognitioneffectThenusingthecolorimagesegmentationdeterminetheposi