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1、實(shí)驗(yàn)四使用ENVI進(jìn)行影像鑲嵌[實(shí)驗(yàn)?zāi)康腯：掌握ENVI影像鑲嵌處理的知識，在何種情況下需要進(jìn)行影像鑲嵌，影像鑲嵌時(shí)需要注意哪些問題。[實(shí)驗(yàn)內(nèi)容]：1.基于像素的影像鑲嵌2.基于地理坐標(biāo)的影像鑲嵌3.鑲嵌時(shí)的色彩均衡[實(shí)驗(yàn)準(zhǔn)備]：數(shù)據(jù)：文件夾envidata/avmosaic基于像素的影像鑲嵌（Pixel-BasedMosaicking）FileDescriptiondv06_2.imgAVIRISScene02dv06_2.hdrENVIHeaderforabovedv06_3.imgAVIRISScene03dv06_3.hdrENVIHeade
2、rforabovedv06a.mosMosaicTemplateforend-to-endAVIRISmosaicdv06b.mosMosaicTemplateforfeatheredoverlappingAVIRISmosaicdv06_fea.imgFeatheredMosaicimagedv06_fea.hdrENVIHeaderforabove基于地理坐標(biāo)的影像鑲嵌（GeoreferencedMosaicking）FileDescriptionlch_01w.imgWarped,histogrammatchedimagelch_01w.hdr
3、ENVIHeaderforabovelch_01w.annCut-linefeatheringannotationforabovelch_02w.imgWarped,histogrammatchedimagelch_02w.hdrENVIHeaderforabovelch_a.mosMosaicTemplateforGeoreferencedImageMosaickinglch_mos1.imgGeoreferencedmosaicresultlch_mos1.hdrENVIHeaderforabove5鑲嵌過程中的顏色平衡（ColorBalanci
4、ngDuringMosaicking）FileDescriptionmosaic1_equal.datAsubsetfromaLandsat7ETMimageforwhichahistogramequalizationstretchhasbeenappliedtoeachbandindependentlymosaic1_equal.hdrENVIHeaderforaboveimagemosaic_2.datAnothersubsetfromthesameLandsat7ETMimage,withoutanystretchingappliedmosai
5、c_2.hdrENVIHeaderforaboveimage[實(shí)驗(yàn)步驟]：一、基于像素的影像鑲嵌Map→Mosaicking→PixelBasedfromtheENVImainmenu.輸入并放置影像。1.SelectImport→ImportFilesfromthePixelBasedMosaicdialog.2.IntheMosaicInputFilesdialog,clickOpenFile,navigatetotheavmosaicdirectory,andselectthefiledv06_2.img.3.IntheMosaicInputF
6、ilesdialog,clickOpenFileagainandselectthefiledv06_3.img.4.IntheMosaicInputFilesdialog,holddowntheShiftkeyonyourkeyboardandclickonthedv06_2.imganddv06_3.imgfilenamestoselectthem.ClickOK.5.IntheSelectMosaicSizedialog,specifythemosaicsizebyentering614fortheXSizeand1024fortheYSize.
7、6.IntheYOtextbox,enteravalueof513andpresstheEnterkeyonyourkeyboard.Thedv06_3.imgisplaceddirectlybelowdv06_2.img.7.InthePixelBasedMosaicdialog,selectFile→Apply.WhentheMosaicParametersdialogappears,entertheoutputfilenamedv06.imgandclickOKtocreatethemosaic.8.Displaythemosaickedima
8、gebyclickingonthedv06a.mosbandnameintheAvailableBandsL
