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简介：Theexploitationofdifferentnon-rigorousmathematicalmodelsasopposedtothesatelliterigorousmodelsisdiscussedforgeometriccorrectionsandtopographic/thematicmapsproductionofhigh-resolutionsatelliteimagery(HRSI).Furthermore,thispaperfocusesontheeffectsofthenumberofGCPsandtheterrainelevationdifferencewithintheareacoveredbytheimagesontheobtainedgroundpointsaccuracy.Fromtheresearch,itisobviouslyfoundthatnon-rigorousorientationandtriangulationmodelscanbeusedsuccessfullyinmostcasesfor2Drectificationand3Dgroundpointsdeterminationwithoutacameramodelorthesatelliteephemerisdata.Inaddition,theaccuracyuptothesub-pixellevelinplaneandaboutonepixelinelevationcanbeachievedwithamodestnumberofGCPs.

简介：AgeometricalgorithmforTilted-CameraPerspective（TCP）projec-tionisproposedinthispaperbasedontheprincipleofperspectiveprojection.Ac-cordingtothat,thedifferencebetweenTCPprojectionandExternalPerspective（EXP）projectionisanalyzed.Itisputforwardprerequisitesmakingthesetwoprojectionswerecompatible,andsomeexamplesaregiven.

简介：众多的出版结果证明了在ENSO-(E1Nino/Southern摆动)的西方的PacificWarm水池(WPWP)表面矩心运动的重要性联系了研究。然而，一些最近的研究结论使澄清当前退出的差别必要WPWP的二种类型出现矩心：几何矩心并且热(热)矩心。这研究分析矩心的二种类型的物理背景并且指出他们的差别，它建议矩心的不同类型可以服务不同学习目的。这研究也证明“WPWP的几何中心”，实际上靠近的近似到集体矩心，是与Nino-3区域海面温度(SST)有关的更多异例和罐头也被认为是ENSO事件的重要指示物。