---
name: "otbgui_DimensionalityReduction"
section: "1"
platform: "linux"
package: "otb-bin-qt"
version: "6.6.1+dfsg-1+b1"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/otbgui_DimensionalityReduction"
---

# otbgui\_DimensionalityReduction(1)

OTB DimensionalityReduction application

## NAME

otbgui\_DimensionalityReduction - OTB DimensionalityReduction application

## DESCRIPTION

This is the DimensionalityReduction application, version 5.2.0 Perform Dimension reduction of the input image.

Complete documentation: http://www.orfeo-toolbox.org/Applications/DimensionalityReduction.html

### Parameters:

- **-progress**

  \<boolean\>        Report progress

 **-in**                   \<string\>         Input Image  (mandatory)

- **-out**

  \<string\> \[pixel\] Output Image  \[pixel=uint8/uint16/int16/uint32/int32/float/double\] (default value is float) (optional, off by default)

- **-rescale**.outmin

  \<float\>          Output min value  (mandatory, default value is 0)

- **-rescale**.outmax

  \<float\>          Output max value  (mandatory, default value is 255)

- **-outinv**

  \<string\> \[pixel\]  Inverse Output Image  \[pixel=uint8/uint16/int16/uint32/int32/float/double\] (default value is float) (optional, off by default)

- **-method**

  \<string\>         Algorithm \[pca/napca/maf/ica\] (mandatory, default value is pca)

- **-method**.napca.radiusx \<int32\>

  Set the x radius of the sliding window.  (mandatory, default value is 1)

- **-method**.napca.radiusy \<int32\>

  Set the y radius of the sliding window.  (mandatory, default value is 1)

- **-method**.ica.iter

  \<int32\>          number of iterations   (optional, on by default, default value is 20)

- **-method**.ica.mu

  \<float\>          Give the increment weight of W in \[0, 1\]  (optional, on by default, default value is 1)

- **-nbcomp**

  \<int32\>          Number of Components.  (optional, on by default, default value is 0)

- **-normalize**

  \<boolean\>        Normalize.  (optional, off by default)

- **-outmatrix**

  \<string\>         Transformation matrix output (text format)  (optional, off by default)

- **-inxml**

  \<string\>         Load otb application from xml file  (optional, off by default)

## EXAMPLES

otbgui\_DimensionalityReduction -in cupriteSubHsi.tif -out FilterOutput.tif -method pca

## SEE ALSO

The full documentation for **otbgui\_DimensionalityReduction** is maintained as a Texinfo manual.  If the **info** and **otbgui\_DimensionalityReduction** programs are properly installed at your site, the command

-

  **info otbgui\_DimensionalityReduction**

should give you access to the complete manual.