简介:Theconstructionofhigh-filledloessprojecthassomeengineeringandtechnicalchallenges,suchasexcavationofearthandbackfillingofeartharebothlarge,complexconstructionenvironment,varietyofinfluencefactors.Accordingtothissituation,thispaperpresentsadynamic3Dvisualizationmethodforhigh-filledprojectbasedonvolumerendering.Throughcomparativeanalysisandvisualanalysis,realizedatdifferenttimesoftheLoessfillinternaldetectiondatavisualizationandanalysispresented.Theresultsshowthatthisvisualizationmethodcandirectlyandaccuratelydisplaytheconstructionprocess,helpdecisionmakersmasterconstructioninformationandprocess.
简介:In3Dmodelsretrieval,featuredescriptionandretrievalofnon-rigidmodelfacemorecomplexproblemsduetotheisometrytransformationofitself.Weintroducethehierarchicalcombinationmatchingintothefeaturecomparison,andbuildamapbetweenthedividedregionsoftwomodels,andthenachieveaccuratefeaturematchingbasedonpatch-by-patch,whichsuccessfullyintroducesthespatialinformationintofeaturematching.Verifiedbyexperiment,the3Dmodelretrievalmethodproposedinthispaperbasedonhierarchicalcombinationmatchingcanmakesuremoreaccuratefeaturematching,soastoenhancetheprecisionofretrieval.