基于光譜面積和IHS變換的水體提取的研究——以TM影像為例.pdf

1、中南大學(xué)碩士學(xué)位論文基于光譜面積和IHS變換的水體提取的研究——以TM影像為例姓名：劉排英申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：攝影測(cè)量與遙感指導(dǎo)教師：楊敏華20100501中南大學(xué)碩上學(xué)位論文ABSTRACTInrecentyears，alongwiththeclimatechange，thearidphenomenonwhichappearedfrequentlyhascausedhumanity’Sinterestintheuseofwater

2、resourceUsingtheremotesensingphantomtenewthewaterbodyhasalreadybecometheprincipalmeansofthewaterbodymonitorAtpresent，themethodsofmonitoringthewaterbodyusingtheremotesensingtechniquemainlyhave：thethresholdvalueofsinglewav

3、eband，thelawofthespectrumrelevance，theexponentialofwaterbodyandSOonHoweveLinthesemethods，eachsolemethodisverydifficulttoexhaustivelyextractthewaterbodyespeciallyinsometerraincomplexregion，itevenmoreisunabletomeethumanity

4、’SneedOnthefoundationofthepredecessorthisarticleproposedonekindofspectrumrelatesmethodwhichwasbasedontheareaonspectrumusingthepriorknowledgeofeachfarm’Sspectrumcurvesuchaswaterplant，settlementplace，thefarmsinshadow，Roada

5、ndindustriallandItunifiedthetinywaterbodyextractionmethodthatthepredecessorhadcarriedontoextractChangsha’SwaterbodyandhadobtainedthegoodextractioneffectFinallyithadcarriedontheprecisionappraisalusingtheMAPGISsoftwaretoth

6、ewaterbodyextractionresult，themainresearchworkincludes：(1)Thisarticlehadanalyzedeachkindofmodelkindofspectrumruleandthenature，hadcardedontheelementdepurationtoeachfarmclassandtheClassificationprocessing，thusdeterminedthe

7、backgroundterrainfeaturety’pethataffectingwaterbodyextraction，SO，itisconvenientforextractingwateraccurately(2)ThisarticlecardedontheanalysisprocessingusingENVIandEXCELsoftwaretoeachfarmclass，discoveredeachlandgroup’Sreci