XIAO Weifeng, DENG Min, LI Chaokui. Multi-scale Contour Model Transformation of 3D Point Cloud Based on Morphing Technology[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 957-963. DOI: 10.13203/j.whugis20140107
Citation: XIAO Weifeng, DENG Min, LI Chaokui. Multi-scale Contour Model Transformation of 3D Point Cloud Based on Morphing Technology[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 957-963. DOI: 10.13203/j.whugis20140107

Multi-scale Contour Model Transformation of 3D Point Cloud Based on Morphing Technology

  • Anewmulti scalecontourmodelmorphingtransformationmethodof3Dpointcloudispro posedbydrawingonmorphingtechnology.First,thespatialdistributionof3Dpointcloudisanalyzedandslicedwitharegularintervalinsomeanaxisdirection(likeaxis犣).Apointcloudstratifiedmodeliscreatedandstratifiedcontoursareextractedbytakingstratifiedpointcloudastheunits.Then,thestratifiedconvexpolygonsconstructedwithstratifieddatasetsareactedastheminimalscalecontourbrokenlines,andtheremainingunorganizedpointsareclassifiedtothecorrespongdingconvexedgesbyacertainlaw.Introducingthescaleparametertandcalculatingtheselectiontimeparametersofpoints,continuoustransformingmediumscalecontourbrokenlinesareconstructed.Finally,smoothstratifiedcontoursaregainedbyfittingstratifiedcontourbrokenlines,andthemultiscalecontourmodelsof3Dpointcloudarepresented.Twoexperimentsdemonstratethatthemethodproposedinthispapercandealwiththeorganizedpointcloudandtheunorganizedpointcloud.Thegainedcon toursconformwiththenaturesofcommoncontourandwillnotresultintheproblemofintercrossontheedge.Meanwhile,themethodrunsquickly.
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