實驗四 使用envi進行影像鑲嵌

1、1實驗四使用ENVI進行影像鑲嵌[實驗目的]：掌握ENVI影像鑲嵌處理的知識，在何種情況下需要進行影像鑲嵌，影像鑲嵌時需要注意哪些問題。[實驗內(nèi)容]：1.基于像素的影像鑲嵌2.基于地理坐標的影像鑲嵌3.鑲嵌時的色彩均衡[實驗準備]：數(shù)據(jù)：文件夾envidataavmosaic基于像素的影像鑲嵌（PixelBasedMosaicking）FileDeiondv06_2.imgAVIRISScene02dv06_2.hdrENVIHeade

2、rfabovedv06_3.imgAVIRISScene03dv06_3.hdrENVIHeaderfabovedv06a.mosMosaicTemplatefendtoendAVIRISmosaicdv06b.mosMosaicTemplateffeatheredoverlappingAVIRISmosaicdv06_fea.imgFeatheredMosaicimagedv06_fea.hdrENVIHeaderfabove基于地理

3、坐標的影像鑲嵌（GeeferencedMosaicking）FileDeionlch_01w.imgWarpedhistogrammatchedimagelch_01w.hdrENVIHeaderfabovelch_01w.annCutlinefeatheringannotationfabovelch_02w.imgWarpedhistogrammatchedimagelch_02w.hdrENVIHeaderfabovelch_a.m

4、osMosaicTemplatefGeeferencedImageMosaickinglch_mos1.imgGeeferencedmosaicresultlch_mos1.hdrENVIHeaderfabove31.Map→Mosaicking→GeeferencedfromtheENVImainmenu.2.File→ResteTemplatethefilelch_a.mos.3.查看頂層影像、切割線和虛擬未羽化的鑲嵌影像。1)In

5、theAvailableBsListthefilelch_01w.imgdisplayasagrayscalebyclickingonthebnamethentheLoadBbutton.2)IntheMainImagewindowrightclicktodisplaytheshtcutmenuToggle→DisplayScrollBarstoturnonscrollbars.Clickthehizontalscrollbarunti

6、lagoodptionoftheimageisvisible.3)FromtheMainImageDisplaymenuOverlay→AnnotationtostarttheAnnotationdialog.4)IntheAnnotationdialogFile→ResteAnnotationchoosethefilelch_01w.anntodisplaytheredcutlineusedtoblendthetwoimagesint

7、hismosaic.5)FromtheAvailableBsListloadthelch_02w.imgintoanewdisplayexaminethenatureofthecutlinewithrespecttothisimage.6)File→OpenImageFilefromtheENVImainmenuchooselch_a.mosastheinputfile.FromtheAvailableBsListloadthisima

8、geintoanewdisplayexaminethenonfeatherededgebetweenthetwoimagesthatwereusedtocreatethemosaic.4.創(chuàng)建羽化后的鑲嵌影像1)IntheMapBasedMosaicdialogFile→Apply.IntheMosaicParametersdialogentertheoutputfilenamelch_mos.imgclickOKtocreatethe

9、featheredmosaic.2)Closethetwoimagedisplaywindowscontainingtheindividualwarpedimagesloadthemosaicimageintoanewdisplay.3)Comparethefeatheredmosaictothenonfeatheredmosaicusingimagelinkingdynamicoverlays.三、鑲嵌時的色彩均衡1.創(chuàng)建未經(jīng)色彩均衡