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1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文交通矢量地圖自動校正算法的研究姓名：屈靜申請學(xué)位級別：碩士專業(yè)：模式識別與智能系統(tǒng)指導(dǎo)教師：鮑遠(yuǎn)律20050501!里型蘭絲查!：蘭塑!堡蘭壘!竺!!!!AbstractThedevelopmentofITS(intelligenttransportationsystem)playsanimportantroleintherealizationofDigitalWorldThecorrelatedapplic

2、ations，suchasGPStransportationmanagement，intelligentvehictenavigationandmonitoringsystem，bringmuchconveniencetopeople’slifeAllthosesystemsshouldbeabletoprovideinformationaboutthepositionoftheobjects，thustheprecisevectorm

3、apsarehighlyneededWiththetheoryofpattemrecognitionanddigitalimageprocessing，vectormapscallbeauto—madefromrastermapsThistechniquehastheadvantageoflowCOStandlesstimeHoweverconsideringthoseerrorsthatinevitablyexistedduringt

4、heentireprocedure，thegeeadjustingprocessofvectortrafficmapsaccordinglybecomesextraordinarysignificantThispaperfirstlyintroducesbrieflyabouttheentireprocedureoftheautomakingofvectormapsSomekeypoints，suchasthevectoringproc

5、esstorastermaps，thelayoutofthegeographicaldatabaseandtheaddingofgeographicalinformationtothevectormaps，arealsobeendiscussedThen，thispaperanalyzestheerrorsthatexistedandrequiredtoberemovedAsfollows，thegeeadjustingmethodst

6、hatcurrentlyexistandusuallyusedareintroducedTheauthorofthispaperfocusesolltheresearchaboutthemethodsofautogeeadjustingincludingthelineargeeadjustingandthediscretenonlinearoneThediscretenonlineargee—adjustingmethod，whichn

7、eedstobediscussedindetailsisbasedoiltheanalysisaboutthetopologyofthevectormapsandisagreatprogressintheresearchofgeeadjustingmethodsHowever，aftersometheoreticalresearch，itturnsoutthat，althoughtheoriginal“discretenonlinear

8、gee—adjustingalgorithm’’hasgottensomegoodresultswhenusedonnumerablecitymaps，suchasHefeiandChengdu，itisnotreasonableintheoryUndersomecircumstances，thatoriginalalgorithmcanprobablybecomeuselessAimedattheefficiencyofgeeadju

9、stingmethods，thispaperanalyzesthereasonsofthataboveproblemUsingtheknowledgeoftopologythispaperbringsaboutsomeanswerstomakeuptheinsufficiencyoftheorigiilalalgorithm，therefore，accomplishes“animproveddiscretenonlineargeoadj

10、ustingalgorithm”Thethoughtofdiscretenonlineargee—adjustinghassomeprinciplesthatneedtobeobserved，abouthowtochoosingthediscreteareaandhowtogee—adjustingthenodesinitTheimprovedalgorithmstrictlyfollowsthoseprinciplesandemlbo

11、diesthethoughtbetterthantheoriginaloneThisimprovedmethodcanalsobeefficientlywhenusedAndwhatismore，itisquitereasonableintheoryandcanbegenerallyusefulThisisalsotheprimarycontributionofthispaperKeyWords：GPS，GIS，vectormap，to

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