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OTBGUI_TRAINREGRESSION(1) User Commands OTBGUI_TRAINREGRESSION(1)

NAME

otbgui_TrainRegression - OTB TrainRegression application

DESCRIPTION

This is the TrainRegression application, version 5.2.0 Train a classifier from multiple images to perform regression.

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

Parameters:

<boolean> Report progress


-io.il <string list> Input Image List (mandatory)

<string> Input CSV file (optional, off by default)
<string> Input XML image statistics file (optional, off by default)


-io.out <string> Output regression model (mandatory)

<int32> Maximum training predictors (mandatory, default value is 1000)
<int32> Maximum validation predictors (mandatory, default value is 1000)
<float> Training and validation sample ratio (mandatory, default value is 0.5)
<string> Classifier to use for the training [dt/gbt/ann/rf/knn] (mandatory, default value is dt)
<int32> Maximum depth of the tree (mandatory, default value is 65535)
<int32> Minimum number of samples in each node (mandatory, default value is 10)
<float> Termination criteria for regression tree (mandatory, default value is 0.01)
<int32> Cluster possible values of a categorical variable into K <= cat clusters to find a suboptimal split (mandatory, default value is 10)
<int32> K-fold cross-validations (mandatory, default value is 10)
<boolean> Set Use1seRule flag to false (optional, off by default)
<boolean> Set TruncatePrunedTree flag to false (optional, off by default)
<string> Loss Function Type [sqr/abs/hub] (mandatory, default value is sqr)
<int32> Number of boosting algorithm iterations (mandatory, default value is 200)
<float> Regularization parameter (mandatory, default value is 0.01)
<float> Portion of the whole training set used for each algorithm iteration (mandatory, default value is 0.8)
<int32> Maximum depth of the tree (mandatory, default value is 3)
<string> Train Method Type [reg/back] (mandatory, default value is reg)
<string list> Number of neurons in each intermediate layer (mandatory)
<string> Neuron activation function type [ident/sig/gau] (mandatory, default value is sig)
<float> Alpha parameter of the activation function (mandatory, default value is 1)
<float> Beta parameter of the activation function (mandatory, default value is 1)
<float> Strength of the weight gradient term in the BACKPROP method (mandatory, default value is 0.1)
<float> Strength of the momentum term (the difference between weights on the 2 previous iterations) (mandatory, default value is 0.1)
<float> Initial value Delta_0 of update-values Delta_{ij} in RPROP method (mandatory, default value is 0.1)
<float> Update-values lower limit Delta_{min} in RPROP method (mandatory, default value is 1e-07)
<string> Termination criteria [iter/eps/all] (mandatory, default value is all)
<float> Epsilon value used in the Termination criteria (mandatory, default value is 0.01)
<int32> Maximum number of iterations used in the Termination criteria (mandatory, default value is 1000)
<int32> Maximum depth of the tree (mandatory, default value is 5)
<int32> Minimum number of samples in each node (mandatory, default value is 10)
<float> Termination Criteria for regression tree (mandatory, default value is 0)
<int32> Cluster possible values of a categorical variable into K <= cat clusters to find a suboptimal split (mandatory, default value is 10)
<int32> Size of the randomly selected subset of features at each tree node (mandatory, default value is 0)
Maximum number of trees in the forest (mandatory, default value is 100)
<float> Sufficient accuracy (OOB error) (mandatory, default value is 0.01)
<int32> Number of Neighbors (mandatory, default value is 32)
<string> Decision rule [mean/median] (mandatory, default value is mean)
<int32> set user defined seed (optional, off by default)
<string> Load otb application from xml file (optional, off by default)

EXAMPLES

otbgui_TrainRegression -io.il training_dataset.tif -io.out regression_model.txt -io.imstat training_statistics.xml -classifier libsvm

SEE ALSO

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

info otbgui_TrainRegression

should give you access to the complete manual.

December 2015 otbgui_TrainRegression 5.2.0