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