<root>
  <key>DimensionalityReduction-pca</key>
  <exec>otbcli_DimensionalityReduction</exec>
  <longname>DimensionalityReduction (pca)</longname>
  <group>Image Filtering</group>
  <description>Perform Dimension reduction of the input image.</description>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_InputImage">ParameterRaster</parameter_type>
    <key>in</key>
    <name>Input Image</name>
    <description>The input image to apply dimensionality reduction.</description>
    <optional>False</optional>
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_OutputImage">OutputRaster</parameter_type>
    <key>out</key>
    <name>Output Image</name>
    <description>output image. Components are ordered by decreasing eigenvalues.</description>
    <hidden />
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_OutputImage">OutputRaster</parameter_type>
    <key>outinv</key>
    <name> Inverse Output Image</name>
    <description>reconstruct output image.</description>
    <hidden />
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_Choice">ParameterSelection</parameter_type>
    <key>method</key>
    <name>Algorithm</name>
    <description>Selection of the reduction dimension method.</description>
    <options>
      <choices>
        <choice>pca</choice>
        </choices>
    </options>
    <default>0</default>
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_Int">ParameterNumber</parameter_type>
    <key>nbcomp</key>
    <name>Number of Components.</name>
    <description>Number of relevant components kept. By default all components are kept.</description>
    <minValue />
    <maxValue />
    <default>0</default>
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_Empty">ParameterBoolean</parameter_type>
    <key>normalize</key>
    <name>Normalize.</name>
    <description>center AND reduce data before Dimensionality reduction.</description>
    <default>True</default>
  </parameter>
  <parameter>
    <parameter_type source_parameter_type="ParameterType_OutputFilename">OutputFile</parameter_type>
    <key>outmatrix</key>
    <name>Transformation matrix output</name>
    <description>Filename to store the transformation matrix (csv format)</description>
    <hidden />
  </parameter>
</root>