SAGA-GIS Module Library Documentation (v2.1.3)

Module Seeded Region Growing


References:
Adams, R. & Bischof, L. (1994): Seeded Region Growing. IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol.16, No.6, p.641-647.

Bechtel, B., Ringeler, A. & Boehner, J. (2008): Segmentation for Object Extraction of Trees using MATLAB and SAGA. In: Boehner, J., Blaschke, T., Montanarella, L. [Eds.]: SAGA - Seconds Out. Hamburger Beitraege zur Physischen Geographie und Landschaftsoekologie, 19:59-70. download

Parameters

 NameTypeIdentifierDescriptionConstraints
InputSeedsGrid (input)SEEDS--
FeaturesGrid list (input)FEATURES--
OutputSegmentsGrid (output)SEGMENTS--
SimilarityGrid (output)SIMILARITY--
SeedsTable (output)TABLE--
OptionsNormalizeBooleanNORMALIZE-Default: 0
NeighbourhoodChoiceNEIGHBOUR-Available Choices:
[0] 4 (von Neumann)
[1] 8 (Moore)
Default: 0
MethodChoiceMETHOD-Available Choices:
[0] feature space and position
[1] feature space
Default: 0
Variance in Feature SpaceFloating pointSIG_1-Minimum: 0.000000
Default: 1.000000
Variance in Position SpaceFloating pointSIG_2-Minimum: 0.000000
Default: 1.000000
Similarity ThresholdFloating pointTHRESHOLD-Minimum: 0.000000
Default: 0.000000
RefreshBooleanREFRESH-Default: 0
Leaf Size (for Speed Optimisation)IntegerLEAFSIZE-Minimum: 2
Default: 256

Command-line

Usage: saga_cmd imagery_segmentation 3 -SEEDS <str> -FEATURES <str> [-SEGMENTS <str>] [-SIMILARITY <str>] [-TABLE <str>] [-NORMALIZE <str>] [-NEIGHBOUR <str>] [-METHOD <str>] [-SIG_1 <str>] [-SIG_2 <str>] [-THRESHOLD <str>] [-REFRESH <str>] [-LEAFSIZE <num>]
  -SEEDS:<str>     	Seeds
	Grid (input)
  -FEATURES:<str>  	Features
	Grid list (input)
  -SEGMENTS:<str>  	Segments
	Grid (output)
  -SIMILARITY:<str>	Similarity
	Grid (output)
  -TABLE:<str>     	Seeds
	Table (output)
  -NORMALIZE:<str> 	Normalize
	Boolean
	Default: 0
  -NEIGHBOUR:<str> 	Neighbourhood
	Choice
	Available Choices:
	[0] 4 (von Neumann)
	[1] 8 (Moore)
	Default: 0
  -METHOD:<str>    	Method
	Choice
	Available Choices:
	[0] feature space and position
	[1] feature space
	Default: 0
  -SIG_1:<str>     	Variance in Feature Space
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -SIG_2:<str>     	Variance in Position Space
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -THRESHOLD:<str> 	Similarity Threshold
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -REFRESH:<str>   	Refresh
	Boolean
	Default: 0
  -LEAFSIZE:<num>  	Leaf Size (for Speed Optimisation)
	Integer
	Minimum: 2
	Default: 256