Tool Edge Detection (ViGrA)
Edge detection.
References
- Author: O.Conrad (c) 2009
 
- Menu: Imagery|Segmentation
 
Parameters
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Input | Grid, input | INPUT | - | - | 
| Output | Edges | Grid, output | OUTPUT | - | - | 
| Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - | 
 | Detector type | Choice | TYPE | - | Available Choices: [0] Canny [1] Shen-Castan Default: 0 | 
 | Operator scale | Floating point | SCALE | - | Minimum: 0.000000 Default: 1.000000 | 
 | Gradient threshold | Floating point | THRESHOLD | - | Minimum: 0.000000 Default: 1.000000 | 
Command-line
Usage: saga_cmd imagery_vigra 1 [-INPUT <str>] [-OUTPUT <str>] [-TYPE <str>] [-SCALE <double>] [-THRESHOLD <double>]
  -INPUT:<str>       	Input
	Grid, input
  -OUTPUT:<str>      	Edges
	Grid, output
  -TYPE:<str>        	Detector type
	Choice
	Available Choices:
	[0] Canny
	[1] Shen-Castan
	Default: 0
  -SCALE:<double>    	Operator scale
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -THRESHOLD:<double>	Gradient threshold
	Floating point
	Minimum: 0.000000
	Default: 1.000000