ENVI中转移矩阵计算.docx

1、ENVI中转移矩阵计算ENVI中转移矩阵计算1.在 Classif icat ion 菜单中 Post Classif icat io n 子菜单选择 Change Detect io n Statistics 菜 单项（图Do幔 FHVI 4. 8| Fila Baci c 7oo1k7ranzform FiltarSpacera1 Map Yactor T opograpKic Rada Window Hlpzed 卜Unsuper71sed Decisi on Tree Erdnanbar Coll act ion Crea Class In age from RillsPost Cla

2、ssi : cati on |As si grt CL 3= ColorsRtile Classi fi erClass StatisticsCkongc Detection sti csConfusion rixROC CurvesGenerate Rxrtdm SaniplcMajonty/Mmonty AnalysisCluTip ClassesSt we ClftczAsCombine ClassesOverlay ClassesBuffer Zone InaeSegnentacion ImageCLozzi fi cation to Vcctcr 1或者在 Basic Tools 菜

3、单中 Change Detection 子菜单选择 Change Detection Statistics 菜单项 （图 2）。FWVI 4.8| Classi fi cation TrAnsforni FaltarSpaclral Mfip Vo e toy Topographic Radr Windov HalpEesi xe Data iSptial/Spectral） Subset Data via ROIsEotAie/FLip DataLayer St ackinsConvert Dat8 SQ? 3IL? BIT）StratcK DataStatisticsBand MathSp

4、ectral MathSonantfttion 丁Eegi on Of InterestMosaiekingMaskingFr2.依次出现初始状态选择对话框（图3）和最终状态选择对话框（图4）。图3图43.选择对应的分类结果后，会岀现类型匹配对话框，要求用户给岀初终分类重的相同类型（图5）。 若初终分类用的是同意分类体系，则无须修改直接确认即可。图54.选择需要统计的单位（像素数、百分比及面积）和输出变化类型淹没文件路径输入对话框（图6）。图5确认后显示转移矩阵数据表（图7）,各列为初始类型、各行为最终类型及元数摇。Change Det ect ion Statistics (Initial

5、St at e = 1VO_19890913, Final S. 匸J 叵j 区JFile Options HelpChange Det ect ion Statistics (Initial St at e = 1VO_19890913, Final S. 匸J 叵区JFile Options HelpPixel Count Percentage Area (Square Meters) ReferenceInitial Stte Image:卩:小立童 KTWVOTO 19890913Dimensions： (l：4130? 1:2130), Band 1, Pixel Size： (30

6、.00, 30. 00) MetersFinal State Image： F：小文章 KTWV0WV0_20100907Dimensions： (1:4130, 1:2130), Band 1, Pixel Size： (30.00, 30. 00) MetersEquivalent Class PairingsDESERT DESERTVEGETATION VEGETATION WATER WATERReport Produced on： Fri Apr 19 12:15:17 2013此表可以存储为文本文件供其他分析。月 SMVC challgaDC: ion St : - XInter

7、 Output Filenane . txt ChooseCurrent Output Pireciory： C： Deeunftnts *nd SaiAOK =101321艸書sMffi冈比 CDS bcD02 也 CDS llcd04 也 CDS 4CD06 s5 也 CD08 巳 CD2 LLC*厂.改变统计精度和面积单位Change Det ect ion Statistics (Initial St at e : TVO_19890913, Final S. 匸J 叵j 区JFile HelpFixe* -e Meters) ReferenceSERTVEGETATIONWATERR

8、ow TotalClass TotalNull0000 3673995DESERTMK355563073622360944665274466527VEGETATIONAsO52089239984331712331712WATER28531769031655324666324666Class Total45336i82 52397565248Class Changes398126 31505233593Image Difference-67155-192263259418Initial StateAConvert Area Uni tFiialOK| CancelFarcent Freci si

9、 on口itFloating ReportFormalArea Preci si onFloating ReportLZ3Kormsln|Convert Unit s for Ar.结果显示 EHVI 4 8-X| F:Lc Basic 7&cls Clmsification Trcnzfflrn liltar Spectral MapVact Tcpoa-aphi : Rads Windcv KlpEiJvanc e 7 pci i.IJ ni1 Zoom 4x1曲 1 Scroll (0.06199) 匚|亘刃 霸丄 #1 Change Det eel ion lak (DESERT -.

10、 -. |e EHVI 4. 8KSSBasi c Tools Available Bands ListTile Ontions 匚 *1. (N!nor5-G回冈Chgg。Dot。&5o“ rusk giE$SE7 DESgETjo Chwe Detection HZ (VEGSrArDJM VTGglATDJMj o Change Detection Fhsk fftATKE YA7ER) 零 W4p Info Band 1由摩 W4p InfoG !；. _1S89D913:- O Band 1lh 冬 Mp Info玄紗 SciLe CB ColorSaldetad BtiridICh

11、or Detection Hash (DESERT DESERT)： Kmor/SIhn匚4133 x 2130 OxG B93Lead Band Display NZEJ回冈CLassifigtion Transform Fill* Spectral HI Vector Radar Windcw IfelpEesiie Data (Spat i al/Spec tral)Sulset Data via ROIsKotftid/Flip DfttftLayer StackingConvert Oat a fBSQz BTL? ETP)Stretch DataStati sticRSpatial

12、 Statist】csChg DetectionMeasurement ToolEojxd M ithSpectral MathScnnt4ktion Im4geEegi on Of IriterestMosaj ekingMasking：FrcprocessingChange D2t?ctioii StatisticsCompute Difference Rapoapute Difference lap Input ParaaetersDcfina CIask TkracholdeN-ambcr o CIaskasChoxige Type Date Pre-ProcesstxigSimple

13、 Difference Normalj re Rin“ 0 - 1 OFercm Difference _Standardize to Unit VarianceOutput Result to 0File QWenoryFilenane for Outpit Difference Map Choose J 11 Change Detection Difference lap: 忙兮 Available DandL fnjfxe Overlay Enhance Tods WindowFile OptionsB Memoryll口 Chirac B c i e c ti cn D: cx*cnc l 緡 Nap InfoQ 020100907 Bad 1S O %P Inc-!；. fifVJJ9830913O E And 1( :零 Wap InfoLoad Did Di splay #!4130 z 2130 (B/te) BSQ