Despeckle

Brief Description

Perform speckle noise reduction on SAR image.

Tags

SAR,Image Filtering

Long Description

This application reduce speckle noise. Four methods are available: Lee, Frost, GammaMAP and Kuan.

Parameters

[param] -in <string> Input image.. Mandatory: True. Default Value: ""
[param] -out <string> Output image.. Mandatory: True. Default Value: ""
[param] -ram <int32> Available memory for processing (in MB). Mandatory: False. Default Value: "128"
[param] -inxml <string> Load otb application from xml file. Mandatory: False. Default Value: ""
[param] -outxml <string> Save otb application to xml file. Mandatory: False. Default Value: ""

[choice] -filter

[group] -lee

[param] -filter.lee.rad <int32> Radius for lee filter. Mandatory: True. Default Value: "1"
[param] -filter.lee.nblooks <float> Nb looks for lee filter. Mandatory: True. Default Value: "1"

[group] -frost

[param] -filter.frost.rad <int32> Radius for frost filter. Mandatory: True. Default Value: "1"
[param] -filter.frost.deramp <float> Decrease factor declaration. Mandatory: True. Default Value: "0.1"

[group] -gammamap

[param] -filter.gammamap.rad <int32> Radius for GammaMAP filter. Mandatory: True. Default Value: "1"
[param] -filter.gammamap.nblooks <float> Nb looks for GammaMAP filter. Mandatory: True. Default Value: "1"

[group] -kuan

[param] -filter.kuan.rad <int32> Radius for Kuan filter. Mandatory: True. Default Value: "0"
[param] -filter.kuan.nblooks <float> Nb looks for Kuan filter. Mandatory: True. Default Value: "0.0"

Limitations

None

Authors

OTB-Team

See Also

Example of use

in: sar.tif
filter: lee
filter.lee.rad: 5
out: despeckle.tif