简介:摘要针对近景数码影像的三维重建问题,本文介绍了一种基于数字摄影测量PhotoModeler软件的可量测三维重建技术。以非量测型数码相机采集多视角影像,采用二维平面格网完成数码相机检校,通过手工交互式方式实现特征提取、影像匹配等处理,进而建立起目标物体的可量测三维模型,该模型为后续的三维漫游和量测等提供基础数据。
简介:重点词汇1.foldv.折叠;对折Foldthecard.折叠这张卡片。拓展unfoldv.展开2.messn.杂乱;不整洁Theroomwasinamess.这个房间杂乱不堪。'Whatamess.'shesaidaftertheparty.聚会后她说:'真是一片狼藉.'拓展inamess混乱;凌乱makeamess弄脏;搞成一团糟Thekidsmadeamessinthelivingroom.孩子们把客厅搞得一塌糊涂。3.throwv.(threw)扔;掷Throwmethecarkeys.=Throwthecarkeystome.把车钥匙扔给我。Shethrewhercoatonthebed.她把外套扔在了床上。
简介:解读街拍大师的构图和拍摄方法,你会发现你也能做到哦!很多朋友都觉得街拍是撞大运,而摄影大师的运气都特别好:总有一个合适的人出现在合适的位置;为什么他能遇见这样的人……其实大师有的不是运气,而是技巧。和拍风光不一样,那个领域的技巧更多偏重于参数。
简介:3Dprintingisdisruptingthedesignandmanufactureofelectronicproducts.3Dprintingelectronicsoffersgreatpotentialtobuildcomplexobjectwithmultiplefunctionalities.Particularly,ithasshowntheuniqueabilitytomakeembeddedelectronics,3Dstructuralelectronics,conformalelectronics,stretchableelectronics,etc.3Dprintingelectronicshasbeenconsideredasthenextfrontierinadditivemanufacturingandprintedelectronics.Overthepastfiveyears,alargenumberofstudiesandeffortsregarding3Dprintingelectronicshavebeencarriedoutbybothacademiaandindustries.Inthispaper,acomprehensivereviewofrecentadvancesandsignificantachievementsin3Dprintingelectronicsisprovided.Furthermore,theprospects,challengesandtrendsof3Dprintingelectronicsarediscussed.Finally,somepromisingsolutionsforproducingelectronicswith3Dprintingarepresented.