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1、第43卷第6期测绘学报Vol.43,No.62014年6月ActaGeodaeticaetCartographicaSinicaJun,2014引文格式:CHENJun,CHENJin,LIAOAnping,etal.ConceptsandKeyTechniquesfor30mGlobalLandCoverMapping[J].ActaGeodaeticaetCartographicaSinica,2014,43(6):551G557.(陈军,陈晋,廖安平,等.全球30m地表覆盖遥感制图的总体技术[J].测绘学报,2014,43(6):551G55
2、7.)DOI:10.13485/j.cnki.11G2089.2014.0089全球30m地表覆盖遥感制图的总体技术陈军1,陈晋2,廖安平1,曹鑫2,陈利军1,陈学泓2,彭舒1,韩刚1,张宏伟1,何超英1,武昊1,陆苗11.国家基础地理信息中心,北京100830;2.北京师范大学地表过程与资源生态国家重点实验室,北京100875ConceptsandKeyTechniquesfor30mGlobalLandCoverMapping1,CHENJin2,LIAOAnping1,CAOXing2,CHENLijun1,CHENXuehong2,PENG
3、Shu2,CHENJun1,ZHANGHongwei1,HEChaoying1,WUHao1,LUMiao1HANGang1.NationalGeomaticsCenterofChina,Beijing100830,China;2.StateKeyLaboratoryofEarthSurfaceProcessesandResourceEcology,BeijingNormalUniversity,Beijing100875,ChinaAbstract:Globallandcover(GLC)characterizationandmonitoring
4、atfineresolutionisakeytaskandbigchallengeforbothearthobservationandgeomaticssocietiesintheworld.Recentlythefirstoperational30mGLCmappingprojecthasbeencompletedbyChina.ItisbasedontheoptimumselectionandprocessingoflandsatGlikesatelliteimageryforfullglobalcoverage,serviceGoriente
5、dintegrationofallavailablereferencedataandauxiliaryinformation,objectGbasedpreciselandcovercharacterization,andknowledgeGbaseddataqualitycontrolling.ThekeytechniquesdevelopedincludethemultiGtypeimagerygeometricprocessingandradiometricreconstruction,integrationofheterogeneousda
6、taandexternalservices,objectGbasedthematicGlayerclassification,andknowledgeGbasedspatioGtemporalconsistencyverification.Thetechnicalguidelinesandsoftwaretoolshavebeenfurtherdevelopedforsupportingtheoperational30mGLCmappingoftheyears2000and2010.Keywords:globallandcover;mappingw
7、ithimagery;30meterresolution;objectGbasedclassifiGcation;serviceGorientedintegration摘要:针对全球30m分辨率地表覆盖遥感制图这一世界性难题,提出了以多源影像最优化处理、参考资料服务化整合、覆盖类型精细化提取、产品质量多元化检核为主线的总体研究思路,研发了影像几何与辐射重建、异质异构服务化集成、对象化分层分类、知识化检核处理等主体技术方法;用于制定了相应数据产品规范、生产技术规范,研发了多项生产型软件,用于研制了2000和2010两个基准年的全球30m地表覆盖数据产
8、品,将空间分辨率提高了1个数量级.关键词:全球地表覆盖;遥感制图;30m分辨率;对象化分层分类;服务化集成中图分类号:P2