摘要
Thispaperproposesapracticalalgorithmsofplanecutting,stereoclippingandarbitrarycuttingfor3Dsurfacemodelreconstructedfrommedicalimages.Inplanecuttingandstereoclippingalgorithms,the3Dmodeliscutbyplaneorpolyhedron.Listsofedgeandvertexineverycutplaneareestablished.Fromtheseliststheboundarycontoursarecreatedandtheirrelationshipofembraceisascertained.TheregionclosedbythecontoursistriangulatedusingDelaunaytriangulationalgorithm.Arbitrarycuttingoperationcreatescuttingcurveinteractively.Thecutmodelstillmaintainsitscorrecttopologystructure.Withtheseoperations,tissuesinsidecanbeobservedeasilyanditcanaiddoctorstodiagnose.Themethodscanalsobeusedinsurgeryplanningofradiotherapy.
出版日期
2006年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)