简介:Heightextractionforbuildingsisafundamentalstepof3Dscenereconstructioninmanyvirtualrealityapplications.Inthispaper,weproposeanautomaticmethodtoextracttheheightofbuildingsinhighresolutionsatelliteimagerybasedonthelengthofshadow.Takingintoaccountthelimitationoftraditionalalgorithms,wemakeuseoftheboundaryinformationofabuildingtofacilitatedetectingandmatchingtheshadowregionswithhigheraccuracy.Then,weintroduceashadow-castmodeltocorrecttheshadowlocationinoursystem.Theexperimentalresultshowsthatwhenextractingtheheightofbuildingsfromcomplexurbanregions,ourmethodhasbetteraccuracy.
简介:CDMA1X金融行业应用中国电信面向金融行业而制定的专业化行业应用,基于中国电信CDMA1X无线网络,针对金融行业推出移动性能更强、数据传输速度更快、安全更有保障的金融一体化解决方案。1.金融企业面临的困惑