SAGA 9.4.2 | Tool Library Documentation

Mesh Denoise


Description

Mesh denoising for grids, using the algorithm of Sun et al. (2007). References: Cardiff University: Filtering and Processing of Irregular Meshes with Uncertainties. online. Stevenson, J.A., Sun, X., Mitchell, N.C. (2010): Despeckling SRTM and other topographic data with a denoising algorithm, Geomorphology, Vol.114, No.3, pp.238-252. Sun, X., Rosin, P.L., Martin, R.R., Langbein, F.C. (2007): Fast and effective feature-preserving mesh denoising. IEEE Transactions on Visualization and Computer Graphics, Vol.13, No.5, pp.925-938.


Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridgrid, inputINPUT--
OutputDenoised Gridgrid, outputOUTPUT--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Thresholdfloating point numberSIGMA-Minimum: 0.000000 Maximum: 1.000000 Default: 0.900000
Number of Iterations for Normal Updatinginteger numberITER-Minimum: 1 Default: 5
Number of Iterations for Vertex Updatinginteger numberVITER-Minimum: 1 Default: 50
Common Edge Type of Face NeighbourhoodchoiceNB_CV-Available Choices: [0] Common Vertex [1] Common Edge Default: 0
Only Z-Direction Position is UpdatedbooleanZONLY-Default: 0

Command Line


Usage: saga_cmd grid_filter 10 [-INPUT ] [-OUTPUT ] [-SIGMA ] [-ITER ] [-VITER ] [-NB_CV ] [-ZONLY ]
  -INPUT:   	Grid
	grid, input
  -OUTPUT:  	Denoised Grid
	grid, output
  -SIGMA:	Threshold
	floating point number
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 0.900000
  -ITER:    	Number of Iterations for Normal Updating
	integer number
	Minimum: 1
	Default: 5
  -VITER:   	Number of Iterations for Vertex Updating
	integer number
	Minimum: 1
	Default: 50
  -NB_CV:   	Common Edge Type of Face Neighbourhood
	choice
	Available Choices:
	[0] Common Vertex
	[1] Common Edge
	Default: 0
  -ZONLY:   	Only Z-Direction Position is Updated
	boolean
	Default: 0