ENVI 中轉(zhuǎn)移矩陣計(jì)算

1、ENVI中轉(zhuǎn)移矩陣計(jì)算1.在 Classification 菜單中 PostClassification 子菜單內(nèi)選擇 ChangeDetectionStatistics 菜單項(xiàng) （圖 1） 。圖1或者在 BasicTools 菜單中 ChangeDetection 子菜單內(nèi)選擇 ChangeDetectionStatistics菜單項(xiàng)（圖 2）。ClasEIfication,匚EorrriFalterSpaciralMspVectorTapogrsphicRb.d.uriVmdovHalpBesiieDataiSp：atial/SpectrailSubsetD注t注viaMIEEotaie/

2、FlipData.LayerStaeking舍EII4.8IBb.ziC CTodlsSagjnAD.taigImA.g&EegiorLOfInterestMosaaaticig卜Marking卜FreprocezsingConvertData（BSQ,BIL.,BIT）圖22.依次出現(xiàn)初始狀態(tài)選擇對話框（圖 3）和最終狀態(tài)選擇對話框（圖 4）。圖43.選擇對應(yīng)的分類結(jié)果后， 會出現(xiàn)類型匹配對話框， 要求用戶給出初終分類重的相同類型 （圖 5） 。若初終分類用的是同意分類體系，則無須修改直接確認(rèn)即可。HE匚uilOpnT|圖3IntorriilicoUppaELIlDaLEFSpI；I

3、COiLiiiSSiQIT51293112S.7M-.KCESVICl5siELCdxiiUalcncfinJhisldritel)HIM,Z-i.4SIkhlh-ThCcUi：1L1：Dicai.ianTreeacidwiELiltLT電Sani-srTJH?QpnT*SelectFinalState31IB.BudInFowaljonSelectIurpTtBand|mp.LiJSthHjTJFillSctJitDE|Cuiril|a!L他joimwT屯降屯降XTx-Ciasa_m_id!Llj口BudLfR撫H呻TxfoPill：F：討艾(tmnu1.S5IDO9DTDirts:-11W

4、wSIEI：Pile丁皿：Sarii-arTJH?:旳twOr-i-arFx-DJ-aCh-L-TAFijieLIillUf!H*alTLEUppatLullDaiiCrapI;iNi：DI-：3ti-anTri-iillsiEsjEicidftrifiwUmuI:W12:(14431122i.3：iM1斑】EiVlCldsiELeodjjjUahnumHistilritel)UIH,Z-wi.ISNlhiflftettrs-MTln*CoflLU.JjL圖54.選擇需要統(tǒng)計(jì)的單位 （像素?cái)?shù)、 百分比及面積） 和輸出變化類型淹沒文件路徑輸入對話框 （圖 6） 。圖5確認(rèn)后顯示轉(zhuǎn)移矩陣數(shù)據(jù)表（圖

5、 7），各列為初始類型、各行為最終類型及元數(shù)據(jù)。ChangeDetectionStatistics(InitialState:O_19890913FinalSFileI工宀i匸L弓HelpChangeDetectionStatistics(InitialState:VO_19890913FinalS-.口|FileOptionsHelpFixelCcnjiLtPercentage虹曲(Squ：=LreMeters)RetererLceIni七iJStateDESERTVEG-ETATIONWATERRowTotalClaggTotalFinalStateMl0.000LI.LILILI0.LI

6、LILI0.0001UO.LILILIAlDESERTdl.21858.66036.183100.0001UO.000VEGETATION2.48839.87315.302100.0001UO.000ATER6.2931.46848.515100.000100.000ClassTmtal100.000100.000100.000ClazsCh：=LTLgez8.78260.12751.485ImageHifference-1.481-36.693397.588IJChangeDetectionStatistics(InitialState:0_l9890913FinalS_.File：Dpti

7、o匸LEHelpFiKelCciJiLtFereentageAI_HaCSqu：=Q_eers)ReferenceDESERTVEGETATIONWATERRowTotalClassTotal1Ml0.000.000.000.003306595500.00DESERT3722000400.00276&25800.0021246100.001019874300.001019874300.00VEGETATION101524500.UU188030700.UU8985600.ULI298540800.00298540800.00WATER256T8890O.UU6921000.UU2848

8、9500.ULI292199400.00292199400.00ClassTotal1030313800.00471577500.0058723200.00ClazsChangE三358313400.00283546800.UU3023370Li.ULIImageIlifFETETLCE-60439500.UU-173036700.UU233476200.ULIInitialStaFirualStatePixelCciuntPercentageAieaCSqu：iieers)ReterenceUnUnalal型類終最DESERTVEG-ETATIONWATERRowTotalClaggTota

9、lNull0ULI0SBTSddSDESERT41355563073622360944665274466527VEGETATION1128052089239984331712331712ATER285321769031&55324666324666ClassTotal453368252397565248ClassCh：ELTLges39812631505233593ImageHifference-67155-192263259418初始類型InitialState此表可以存儲為文本文件供其他分析。CuxreiLlj.lp-ut.Directary：UK1：強(qiáng)訕我的電腦網(wǎng)上即居LUS-.

10、itzl打開y件主INI71區(qū)C：MacimbHtEuid曲*七1血百益IhkkdditLonalHeaderTeit(optional)丈件芙芟c;：改變統(tǒng)計(jì)精度和面積單位Normal2鶴 SetReportPrecision.鬱ConvertUnitsforAir.ChangeDetectionStatistics(InitialState:0_l9890913FinalS_.pZ|CurrentUmts:SquareMetersCancelSquareKnFileFixeenceConvertAi_e：iUnitInitialStatSetRepurtF:rEc:imi口鞏.tjptiU

11、REireMEters sjReerFloatingReportNormalFloatingReportAreaPrecisionESERTVE&ETATIOHWATERRowTotalClassTotalNull00003673995DESERT4X355563073622360944665274466527VEGETATION1052089239984331712331712TATER769031655324666324666ClassTotal4533652397565248Clazs sCh：=LTLgez39812631505233593ImageIlifferenceffe

12、rence-67155-192263259418fl結(jié)果顯示1FLL。BaHuTDOIElotionTtraawfajrFiltasrXpciciLtraJMapTQCIDT丫切吐羅也phicRaJdWiitdavHQLF即DotputigfladrflJE目gRTUE：nF.TiChuDtiEctaonfiliUTGETATIOlfVEGETAriOK：!口ChangeDetectiDOPhslcflVATEEVA7ER1ffi-零血Flif-：-QII.lVWj3QttM07:口Sand1=li-粵Vlapluff由IH_1909L3Bflitd1心鑒VkpJjLfc迪flrayScale

13、f創(chuàng)ColorSaliactadBarid.Chm悵亡DflitciLOTSHakQ1ESE1LT如BESB1LT):HarioryGLa迢BandUL=pl&.j.-SI*H3ZChaniEcAetgotionK-asl:tDESERT=.,雲(yún)AvailahleBandsLiat叵岡IFil=OverLaj-Euh-snceIsol3TindoirIFileOptLijnsXISczoll(G.06199)蛙蛙Selt-rtpInitiailSta-tflIWJM聘叱St?lertFFuiaLState*正髀岡CCoaputeDifferencelapInputParaseters

14、嘆NumberofClazzeE11DefineClassThresholdEChangeTypeDataFre-FrocezEiiigSimpleEierenceNormalizeDataRange0-1-FereentEifferenceQStandard!retoUnitVariancaOutputResult,to(FileJ：MemoryFilm初 wforOutputDifferenceHapChoozeOKCancelConputeDifferencelapInputParaaeters|X|NwnbcroClAssaso|TkrogholdEChoxigTypeDatePre-ProcessixigSimpleDifferenceNormal】muR沁“0-1OFercentDifference_StandardizetoUnitVarianceOutputResoltto0FileOWenoryFilenaneforOut