Module Direct Georeferencing of Airborne Photographs
Direct georeferencing of aerial photographs uses extrinsic (position, attitude) and intrinsic (focal length, physical pixel size) camera parameters. Orthorectification routine supports additional data from a Digital Elevation Model (DEM).
References:
Baumker, M. / Heimes, F.J. (2001): New Calibration and Computing Method for Direct Georeferencing of Image and Scanner Data Using the Position and Angular Data of an Hybrid Inertial Navigation System. OEEPE Workshop, Integrated Sensor Orientation, Hannover 2001. online.
- Author: O.Conrad (c) 2012
- Specification: grid
- Menu: Projection|Georeferencing
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Unreferenced Grids | Grid list (input) | INPUT | - | - |
Elevation (*) | Grid (optional input) | DEM | - | - |
Output | Referenced Grids | Grid list (output) | OUTPUT | - | - |
Extent (*) | Shapes (optional output) | EXTENT | - | - |
Options | X | Floating point | X | - | Default: 0.000000 |
Y | Floating point | Y | - | Default: 0.000000 |
Flying Height | Floating point | Z | - | Default: 1000.000000 |
Orientation | Choice | ORIENTATION | - | Available Choices: [0] BLUH [1] PATB Default: 0 |
Omega [degree] | Floating point | OMEGA | rotation around the X axis (roll) | Default: 0.000000 |
Phi [degree] | Floating point | PHI | rotation around the Y axis (pitch) | Default: 0.000000 |
Kappa [degree] | Floating point | KAPPA | rotation around the Z axis (heading) | Default: 0.000000 |
Kappa Offset [degree] | Floating point | KAPPA_OFF | origin adjustment for Z axis (heading) | Default: 90.000000 |
Focal Length [mm] | Floating point | CFL | - | Minimum: 0.000000 Default: 80.000000 |
CCD Physical Pixel Size [micron] | Floating point | PXSIZE | - | Minimum: 0.000000 Default: 5.200000 |
Reference Height | Floating point | ZREF | - | Default: 0.000000 |
Interpolation | Choice | INTERPOLATION | - | Available Choices: [0] Nearest Neigbhor [1] Bilinear Interpolation [2] Inverse Distance Interpolation [3] Bicubic Spline Interpolation [4] B-Spline Interpolation Default: 4 |
Data Storage Type | Choice | DATA_TYPE | - | Available Choices: [0] 1 byte unsigned integer [1] 1 byte signed integer [2] 2 byte unsigned integer [3] 2 byte signed integer [4] 4 byte unsigned integer [5] 4 byte signed integer [6] 4 byte floating point [7] 8 byte floating point [8] same as original Default: 8 |
Target | Choice | TARGET_TYPE | - | Available Choices: [0] user defined grid system [1] existing grid system Default: 0 |
(*) optional |
Command-line
Usage: saga_cmd pj_georeference 4 -INPUT <str> [-OUTPUT <str>] [-EXTENT <str>] [-X <str>] [-Y <str>] [-Z <str>] [-ORIENTATION <str>] [-OMEGA <str>] [-PHI <str>] [-KAPPA <str>] [-KAPPA_OFF <str>] [-CFL <str>] [-PXSIZE <str>] [-ZREF <str>] [-DEM <str>] [-INTERPOLATION <str>] [-DATA_TYPE <str>] [-TARGET_TYPE <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_XMIN <str>] [-TARGET_USER_XMAX <str>] [-TARGET_USER_YMIN <str>] [-TARGET_USER_YMAX <str>] [-TARGET_USER_SIZE <str>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>]
-INPUT:<str> Unreferenced Grids
Grid list (input)
-OUTPUT:<str> Referenced Grids
Grid list (output)
-EXTENT:<str> Extent
Shapes (optional output)
-X:<str> X
Floating point
Default: 0.000000
-Y:<str> Y
Floating point
Default: 0.000000
-Z:<str> Flying Height
Floating point
Default: 1000.000000
-ORIENTATION:<str> Orientation
Choice
Available Choices:
[0] BLUH
[1] PATB
Default: 0
-OMEGA:<str> Omega [degree]
Floating point
Default: 0.000000
-PHI:<str> Phi [degree]
Floating point
Default: 0.000000
-KAPPA:<str> Kappa [degree]
Floating point
Default: 0.000000
-KAPPA_OFF:<str> Kappa Offset [degree]
Floating point
Default: 90.000000
-CFL:<str> Focal Length [mm]
Floating point
Minimum: 0.000000
Default: 80.000000
-PXSIZE:<str> CCD Physical Pixel Size [micron]
Floating point
Minimum: 0.000000
Default: 5.200000
-ZREF:<str> Reference Height
Floating point
Default: 0.000000
-DEM:<str> Elevation
Grid (optional input)
-INTERPOLATION:<str> Interpolation
Choice
Available Choices:
[0] Nearest Neigbhor
[1] Bilinear Interpolation
[2] Inverse Distance Interpolation
[3] Bicubic Spline Interpolation
[4] B-Spline Interpolation
Default: 4
-DATA_TYPE:<str> Data Storage Type
Choice
Available Choices:
[0] 1 byte unsigned integer
[1] 1 byte signed integer
[2] 2 byte unsigned integer
[3] 2 byte signed integer
[4] 4 byte unsigned integer
[5] 4 byte signed integer
[6] 4 byte floating point
[7] 8 byte floating point
[8] same as original
Default: 8
-TARGET_TYPE:<str> Target
Choice
Available Choices:
[0] user defined grid system
[1] existing grid system
Default: 0
-TARGET_DEFINITION:<str> Target Grid System
Choice
Available Choices:
[0] user defined
[1] grid or grid system
Default: 0
-TARGET_USER_XMIN:<str> Left
Floating point
Default: 0.000000
-TARGET_USER_XMAX:<str> Right
Floating point
Default: 100.000000
-TARGET_USER_YMIN:<str> Bottom
Floating point
Default: 0.000000
-TARGET_USER_YMAX:<str> Top
Floating point
Default: 100.000000
-TARGET_USER_SIZE:<str> Cellsize
Floating point
Minimum: 0.000000
Default: 1.000000
-TARGET_USER_FITS:<str> Fit
Choice
Available Choices:
[0] nodes
[1] cells
Default: 0
-TARGET_TEMPLATE:<str> Target System
Grid (optional input)