Frequency Domain Filter
- Author: O.Conrad (c) 2023
- Menu: Imagery | Fourier Analysis
Description
The frequency domain filter works on the discrete Fourier transformation.
References
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Grid | grid, input | GRID | - | - |
| Output | Filtered Grid | grid, output | FILTERED | - | - |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Filter | choice | FILTER | - | Available Choices:
[0] range
[1] power of distance
[2] Hann window
[3] Gaussian
Default: 2 |
| Inverse | boolean | INVERSE | - | Default: 0 |
| Range | value range | RANGE | - | - |
| Power | floating point number | POWER | - | Default: 0.500000 |
| Band Width | floating point number | SCALE | - | Minimum: 0.000000
Default: 2.000000 |
Command Line
Usage: saga_cmd imagery_opencv 14 [-GRID ] [-FILTERED ] [-FILTER ] [-INVERSE ] [-RANGE_MIN ] [-RANGE_MAX ] [-POWER ] [-SCALE ]
-GRID: Grid
grid, input
-FILTERED: Filtered Grid
grid, output
-FILTER: Filter
choice
Available Choices:
[0] range
[1] power of distance
[2] Hann window
[3] Gaussian
Default: 2
-INVERSE: Inverse
boolean
Default: 0
-RANGE_MIN: Range
value range
-RANGE_MAX: Range
value range
-POWER: Power
floating point number
Default: 0.500000
-SCALE: Band Width
floating point number
Minimum: 0.000000
Default: 2.000000