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Transcription

1 ( RS ) : : / : : -

2 ٣... : ٣...: ٤...: ٥...: (Picture element) Pixel ٥...: ٧...: ١٠... : Geo Tiff ١٨... : ١٩... : DEM ٢٨...: ٢

3 :.. " " RS. :.. Kosmos Land Sat. : : RS :. : (Land Use) :( Change detection ) (Registration ) : (DEM : Digital Elevation Model ).. ٣

4 . (GIS).... : ( ). : :. ( Pixel size ) P Liss ш.. / IRS / /. Pixel. Pixel :( Radiometric). NOAA.. Digital Number... : ٤

5 .... :( Temporal Revisit Cycle ) :.. P. : (Picture element) Pixel Pixel.... Digital Number :. :. : :.. : Leo ( ) ٥

6 GPS. : Meo ( ) : Geo. :. : NOAA. NOAA : ( )... : ( Path Overlap).. : :.. ( ).. ( Mateo sat GMS : ) : ( Polar ) :.( ) P.. IRS ٦

7 Land sat,ikonos, Spot, : Quickbird : : ( Satellite Pour Observation dela Tor) : SPOT HRV. : : Revisit cycle. km : :. : : am : min. : IRS Awifs Liss Liss IRS-P.., NIR. m : pixel size :Lissш. bit SWIR. MX MONO : Liss. MX Pan MONO.. m Lissш : Awifs ٧

8 km. m. NASA : Landsat : Landsat. km :. : ETM+ MSS TM : : Revisit cycle bit : : :. : Quick Bird. (. m ) ( cm ) Pan NIR. min :. : bit. : : : : : ( ) RS :. ) Online... (. ٨

9 Mathematical models ( D D) Image space Object space (Ground space) ( parametric ) Statistics Statistics GCP. : D Parametric Statistics Global polynomials Piece wise polynomials Point wise polynomials Multi quadratic transformation D projective transformation.. (Total of errors). : Coplanearity ٩

10 Parametric D Statistics D Affine Collinearity Rquations Rational function D projective D. L. T ( Direct linear (transformation ) D Conformal. : Geo Tiff Tiff, JPG, BMP... Tiff. Geo Geo Tiff Header. Tiff : Geomatica ( ) RS Geomatica.... Orthophoto, DEM. : ١٠

11 : Geomatica Focus... DEM, Orthophoto.. : Geomatica Toolbar. Ortho Engine ١١

12 File > New.. Project Information Filename. Description Name Math Modelling Method : : Aerial photography. ١٢

13 : Satellaite Orbital Modelling. ). Polynomial : Polynomial ( Globalpolynomial Spline : Thin Plate Spline. Polynomial Rational :Rational Functions Rational. Space photogrametry : a X = 0 2 x + a1 y + a2xy + a3x +... c x + c y + c xy b0 x + b1 y + b2 xy + b3 x +... Y = d x + d y + d xy : None (mosaic only). Option Aerial photography Exterior Standard Aerial Camera type Oriantion Compute from GCP & Tie Point. User Input. Accept : Set Projection 1 2 ١٣

14 Output Projection Earth. Meter : Model. Datum Datum Output line spacing Output pixel spacing. GCP projection. Accept Standard Aerial Camera Calibration Information ١٤

15 focal Length. (Principal point offset : x,y) X O, Y O.. Accept Data Input Processing step : ١٥

16 open a new or existing photo Collect fiducial Info. Close. Fiducial Mark Collection For photo.. Fiducial Marks ) Set (. Accept. Errors.. Import GCP/INS exterior orientation data ) ( from fil. GCP/TP Collection Processing step GCP Collection for. Collect GCP manually. ١٦

17 ).. ( Text ( X, Y,Z) Georeferenced position GCP Collection for Used point GCP Collection for Accept Accepted Points.. GCP Collection for Bundel. Update. Auto Locate. GCP Collection for ١٧

18 Model Processing Step Ortho Engine perform bundle Adjustment. Calceolate : DEM from stereo Processing step. EpipolarImage Create. match Match ( ) Coloration. Generation Epipolar Image Add Epipolar Pairs To Table List of Epipolar Pairs.. Generate Pairs. Save setup Focus.. ١٨

19 : DEM ( Extraction DEM Automatic) Select Stereo Pair Selection. Epipolar. All DEM Extraction option Failure. Background Value Value. ١٩

20 Create Geocoded DEM Geocoded DEM Output filename. DEM Recompute Start DEM Extraction DEM.. ( DEM ) Focus.. ( ). ( ) Processing step. ٢٠

21 Generate Contour from DEM D Operation.. DEM Input DEM Contour Interval Background Value. ( ) Output Contour Input DEM Generate Contour.. ٢١

22 Focus.. : Ortho photo... ٢٢

23 Ortho Generation Processing Step Ortho photo Schedule Ortho Generation. Production Avalable Photos Ortho Phpto. Photo to Process Size Generate.. Orthos Focus.. : Resampling ٢٣

24 . :. (x, y ) (X, Y ) R+I Row Image(x,y) Terrain(X,Y) / /.. : Nearest neighboor : Bilinear : Cubic convocation : ٢٤

25 Bilinear. Nearest Cubic Convocation.. Fly FLY! Geomatica Toolbar. FLY!Rendering FLY File > Load DEM+ Load Elevation and Gray Elevation File DEM BW Level Select Select & Close. Load Elevation and Select color File Gray Level Select. Load Load Elevation and Gray Level Select. ٢٥

26 . User. DEM Nadir View FLY!Rendering Window FLY Free flight. Nadir View. FLY Control Point.. ٢٦

27 Direction Position Speed Elevation.... X pace : File <Utility file Utility file.. Georeferencing.. Long/Lat ٢٧

28 Fil < Export to.... Translate (Export) File Output. Destination Source Tiff Format Destination Add Layers. Export. Land CAD. Tiff Map < Image < Insert CAD. : ٢٨

29 .. GPS (x,y,z). (Roll, Yaw,Pitch ) : : Star Tracker... : Geo Tracker. (V x, V y, V z ) (roll, yaw, pitch).. ( ) RPC )..( : ( ) Register Georefrence : Ortho Geomatica Toolbar : - engine Satellite Orbital Math Modelling Method. Toutins Model Options Modelling ( ) Set Projection. ٢٩

30 Datum Earth Model. IRS Ellipsoid E Processing step. Accept Data Input. Read CD ROM (Read CD ROM ) CD Format IRS (super structure ) IRS Header CD Header Filename Requested. ( Volume ).. Channels PCIDSK filename Data output Read Report filename. Ortho. Ortho Generation Processing Engine Ortho Image Schedule Ortho generation. Generate Orthos Production : - fit fit ٣٠

31 ) fit.. Polynomial, Rashnal ( : PCI Geomatica GCP Geomatica Processing Requirements. Works setup Full Processing Colour. GCP Collect / review GCP s only... Matching Mosaic. Colour Matching. only : Full Processing Polynomial Mathematical Model Thin Plate Spline. Spline Spline polynomial Polynomial. Source of GCP S fit. Vector. PCI GCP Works ٣١

32 . Select Uncorrected Image. Load Select Vectors DWG PCI Geomatica. Shape. Arc GIS Land ARC GIS : Shape file CAD Convertion tools. dwg to Shape Output File. Add... Texte, polyline OK. Add. shape file PCI Works Shape. Define Georeferenced Area Vector Window Extents (Lower left, Upper left ). Accept. ٣٢

33 Collect. Vector. GCP Selection and Editing GCP S Accept as GCP GCP Selection and Editing.. Fit Model.. (... ).. ( RMS) : ) Reports / Model Coefficients.( ٣٣

34 Save Save GCP Text File. File GCP Output File Format Description ٣٤

35 . Accept. Close Pre-Registration Check PCI GCPWorks Bilinear Registration Options. Model Order Resampling Mode Registration Overvie... Perform Registration to Disk New Output File. Disk to Disk Registration. New File Type Selector ٣٥

36 Ok Resample PCIDSK File Creation. Georeferencing Information Use Pixel/lines and. Bounds. ( ). Create Disk to Disk. Registration Default ٣٦

37 Registration rd Bilinear. Perform Registration. Registeration Focus. ). (..( ) Shape.... ٣٧

38 ... ٣٨