简介:一九九四年·测绘法规·山西省人民代表大会常务委员会公告(1-4)…………山西省测绘管理条例(1-5)……………………………关于《山西省测绘管理条例(草案)》的说明……………王银焕(1-9)…………………………………………关于《山西省测绘管理条例(草案)》修改情况的说明…李树森(1-12)………………………………………关于《山西省测绘管理条例(草案)》(修改稿)修改情况的说明李红星(1-14)………………………………………贯彻《山西省测绘管理条例》,促进山西测绘事业的发展夏志朴(1-16)………………………………………·重点工程测量·关于万家寨引黄工程测量控制网的几点意见…………何万龙(1-19
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简介:ItiswellknownthatLandsatTMimagesarethemostwidelyusedremotesensingdatainvariousfields.Usually,ithas7differentelectromagneticspectrumbands,amongwhichthesixthonehasmuchlowergroundresolutioncomparedwiththeothersixbands.Nevertheless,itisusefulinthestudyofrockspectrumreflection,geo-thermalresourcesexploration,etc.ToimprovethegroundresolutionofTM6tothelevelasthatoftheothersixbandsisaproblem.Thispaperpresentsanalgorithmbasedonthecombinationofmulti-variateregressionmodelwithsemi-variogramfunctionwhichcanimprovethegroundresolutionofTM6by"fusing"thedataofothersixbands.Itincludesthefollowingmainsteps:(1)testingthecorrelationbetweenTM6andoneofTM1-5,7.IfthecorrelationcoefficientbetweenTM6andanotheroneisgreaterthanagiventhresholdvalue,thenselectthebandtotheregressionanalysisasanargument.(2)calculatingthesizeofthetemplatewindowwithinwhichsomeparametersneededbytheregressionmodelwillbecalculated;(3)replacingtheoriginalpixelvaluesofTM6bythoseobtainedbyregressionanalysis;(4)usingimageentropyasameasurementtoevaluatethequalityofthefusedimageofTM6.ThebasicmechanismofthealgorithmisdiscussedandtheVC++programforimplementingthisalgorithmisalsopresented.Asimpleapplicationexampleisgiveninthelastpartofthispaper,showingtheeffectivenessofthealgorithm.