SAGA 9.4.2 | Tool Library Documentation

Edge Detection (ViGrA)


Description

Edge detection.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputInputgrid, inputINPUT--
OutputEdgesgrid, outputOUTPUT--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Detector typechoiceTYPE-Available Choices: [0] Canny [1] Shen-Castan Default: 0
Operator scalefloating point numberSCALE-Minimum: 0.000000 Default: 1.000000
Gradient thresholdfloating point numberTHRESHOLD-Minimum: 0.000000 Default: 1.000000

Command Line


Usage: saga_cmd imagery_vigra 1 [-INPUT ] [-OUTPUT ] [-TYPE ] [-SCALE ] [-THRESHOLD ]
  -INPUT:       	Input
	grid, input
  -OUTPUT:      	Edges
	grid, output
  -TYPE:        	Detector type
	choice
	Available Choices:
	[0] Canny
	[1] Shen-Castan
	Default: 0
  -SCALE:    	Operator scale
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -THRESHOLD:	Gradient threshold
	floating point number
	Minimum: 0.000000
	Default: 1.000000