简介：In3Dmodelsretrieval,featuredescriptionandretrievalofnon-rigidmodelfacemorecomplexproblemsduetotheisometrytransformationofitself.Weintroducethehierarchicalcombinationmatchingintothefeaturecomparison,andbuildamapbetweenthedividedregionsoftwomodels,andthenachieveaccuratefeaturematchingbasedonpatch-by-patch,whichsuccessfullyintroducesthespatialinformationintofeaturematching.Verifiedbyexperiment,the3Dmodelretrievalmethodproposedinthispaperbasedonhierarchicalcombinationmatchingcanmakesuremoreaccuratefeaturematching,soastoenhancetheprecisionofretrieval.

简介：现阶段各个可视交互模型的大多采用的是二维显示的方式建立,在具体操作中存在交互体验弱、分析效率低下、信息层次不够丰富等问题。随着社会科技的发展,人们在原有二维交互平台的基础上提出了网页三维交互平台。本文在阐述基于WebGL的3D可视交互平台基本构架的基础上,对其各个功能模块的应用实现进行分析,并阐述基于WebGL和Three.js图形库的实现方式。