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  • ENVI 1

    ENVI

    ) ENVI) The Environment for Visualizing Images

    RSI) Research Systems, Inc. (

    .

    .

    ENVI

    .

    ENVI Linux, Unix

    Wndows.

    .

    .

    . DEM

    ENVI

    .

    . ENVI

    .

    ENVI

    .

    ENVI .

  • ENVI 2

    .

    ENVI .

    .

    DEM

    .

    IDL

    IDL. IDL .

    ENVI

    .

    GIS ENVI

    ENVI . AICVIEW, ARCINFO

    GIS

    .

    ENVI

    ENVI

    ENVI IDL . ENVI .

    12

    : 12 .

    File, Basic Tools, Classification, Transform, Filter, Spectral, Map,

    Vector, Topographic, Radar, Window, Help

  • ENVI 3

    File

    . IDL .

    ENVI File .

    Basic Tools

    .

    .

    ) ROI(

    .

    Classification

    . .

    ) (

    .

  • ENVI 4

    . Transform

    . Transform

    Filter .

    Spectral

    . ENVI

    ENVI Map

    .

    . Vector

    DEM

    .

    . DEM Topographic

    . DEM

    Radar

    .

    . Radar ENVI

    . Window

    .

  • ENVI 5

    Help

    ENVI.

    .

    . ENVI

    .

    ENVI

    .

    .

    ENVI

    .

    ENVI . .

    .

    ENVI

    . ENVI

    Open File

    Image File .

  • ENVI 6

    Windows

    .

    . Open

    ENVI ( .

    . ) Img

    hdr

    :

    ... .

    .

    . Header

    Open

    Available Bands List) (

    .

  • ENVI 7

    .

    . .

    .

    .

    . ENVI

    Open Image File

    ,Pix, Geotif .

    Tif . ENVI

    .

    . Open External File File

    .

  • ENVI 8

    . Open External File

    .

    ENVI

    .

    .

    Open External File

    ,USGS: .

    Digital Elevation, Military, Radar, Thermal

    IP Software .

    . PCI Geomatica, Er Mapper, Erdas ArcView: .

    . Generic Format

    ,XWD, TIFF, SRF, PNG: ENVI

    PICT, PDS, MrSID, JPEG HDF, BMP, ASCII

    .

    .

    .

  • ENVI 9

    .

    ) /4(

    . ) 14(

    .

    RGB .

    .

    ENVI

    . ) Color Composite(

    .

    : .

    Color RGB, Gray Scale .

    . RGB Color

    .

    Load Band .

    ENVI .

    . Zoom, Image, Scroll

    . RGB

    Scroll .

    . Scroll

  • ENVI 10

    Image . Image

    . Image .

    . Zoom

    + Zoom

    + .

    .

  • ENVI 11

    .

    Zoom, Image Scroll

    Zoom Image

    .

    ,Zoom (

    Image( Image File Preference .

    .

    RGB Color

    . ) B( ) G( ) R(

    .

  • ENVI 12

    .

    ENVI . ENVI

    File Save File Az

    .

    .

    . .

    .

    . Display

    .

    Histogram( .

    Stretching ( .

    Zoom

    . Zoom

    .

    .

    .

    Staching Layer Basic Tools .

  • ENVI 13

    . ENVI

    . . Layer Staching

    Import File

    . .

    . Reorder Files

    .

    Ok .

    .

    Layer Stacking

    ENVI.

    .

    ENVI

    .

    Output Result to File . RAM

    Memory . Memory

    Available .

    Band List . Save

    Selected File to Disk RAM

    .

  • ENVI 14

    )Geometric Correction(

    .

    :

    X = F (x,y)

    Y = G (x,y)

    F, G. X, Y x, y

    .

    ) (

    )Conformal ( .

    .

    .

    . .

    .

    .

  • ENVI 15

    . ) Resampling Methods(

    ) (

    .

    .

    Image to image

    Registration .

    .

    . .

    ) RMSE(

    .

    . .

    ENVI

    .

    Vector Open Vector File

    . File

    ,Arc View Shape File, Arc Info Interchange Format:

  • ENVI 16

    DXF, MapInfo, DGN, DLG, SDTS, EVF .

    .

    . .

    .

    .

    Available Vectors List .

    Load

    Selected . Load Vector

    New Vector .

    Window .

  • ENVI 17

    Display

    .

    .

    ENVI MAP .

    Registration Select GCPs: Image to Map

    .

    .

    .

    . .

    .

    Export Map Location Ground Control

    Points Selection

    . .

    Add point

    .

    .

    .

  • ENVI 18

    .

    .

    GCPs RMS

    Selection .

    Delete Last

    Point .

    Predict .

    .

    .

    .

    .

    Show List

    .

    . .

    .

    ) Predict X/Y(

    .

    . Goto

    . On/Off Delete

    . RMS

  • ENVI 19

    .

    . Goto

    . Update

    . RMS

    )Reprojection(

    .

    .

    ENVI . Map Convert Map Projection

    .

    .

    .

    Select Output Map Projection .

    .

    New . Datum Units

    .

    . ENVI

    . Number Warp Points

    .

    Ok .

    . .

  • ENVI 20

    ENVI

    . ENVI

    .

    .

    .

    . ENVI

    ) ( .

    Georefrenced .

    Mosaicking Basic Tools .

    .

    .

    . Import

    . Import files .

    Import Files and Edit Properties

    .

    Import Files

    .

    Import . Ok

    Files and Edit Properties

    Data Value to Ignore .

  • ENVI 21

    .

    .

    .

    Feathering Distance

    .

    : ENVI .

    Cutline Feathering, Edge Feathering

    .

    Select Cutline Annotation File

    .

    Mosaic Display .

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