Seed Generation
- Author: O.Conrad (c) 2010
- Menu: Imagery | Segmentation
Description
The tool allows one to create seed points from a stack of input features. Such seed points can be used, for example, as input in the 'Seeded Region Growing' tool.
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Features | grid list, input | FEATURES | - | - |
| Output | Variance | grid, output | VARIANCE | - | - |
| Seeds Grid | grid, output, optional | SEED_GRID | - | - | |
| Seed Points | shapes, output, optional | SEED_POINTS | - | - | |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Seed Type | choice | SEED_TYPE | - | Available Choices: [0] minima of variance [1] maxima of variance Default: 0 | |
| Method | choice | METHOD | - | Available Choices: [0] band width smoothing [1] band width search Default: 0 | |
| Bandwidth (Cells) | floating point number | BAND_WIDTH | - | Minimum: 1.000000 Default: 10.000000 | |
| Normalize Features | boolean | NORMALIZE | Standardize the input features, i.e. rescale the input data (features) such that the mean equals 0 and the standard deviation equals 1. This is helpful when the input features have different scales, units or outliers. | Default: 0 | |
| Weighting Function | choice | DW_WEIGHTING | - | Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian Default: 0 | |
| Power | floating point number | DW_IDW_POWER | - | Minimum: 0.000000 Default: 2.000000 | |
| Bandwidth | floating point number | DW_BANDWIDTH | Bandwidth for exponential and Gaussian weighting | Minimum: 0.000000 Default: 1.000000 |
Command Line
Usage: saga_cmd imagery_segmentation 2 [-FEATURES] [-VARIANCE ] [-SEED_GRID ] [-SEED_POINTS ] [-SEED_TYPE ] [-METHOD ] [-BAND_WIDTH ] [-NORMALIZE ] [-DW_WEIGHTING ] [-DW_IDW_POWER ] [-DW_BANDWIDTH ] -FEATURES: Features grid list, input -VARIANCE: Variance grid, output -SEED_GRID: Seeds Grid grid, output, optional -SEED_POINTS: Seed Points shapes, output, optional -SEED_TYPE: Seed Type choice Available Choices: [0] minima of variance [1] maxima of variance Default: 0 -METHOD: Method choice Available Choices: [0] band width smoothing [1] band width search Default: 0 -BAND_WIDTH: Bandwidth (Cells) floating point number Minimum: 1.000000 Default: 10.000000 -NORMALIZE: Normalize Features boolean Default: 0 -DW_WEIGHTING: Weighting Function choice Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian Default: 0 -DW_IDW_POWER: Power floating point number Minimum: 0.000000 Default: 2.000000 -DW_BANDWIDTH: Bandwidth floating point number Minimum: 0.000000 Default: 1.000000