From d754b8caf82426f6807282d765f1e3820134765c Mon Sep 17 00:00:00 2001
From: Manuel Grizonnet <manuel.grizonnet@orfeo-toolbox.org>
Date: Tue, 4 Oct 2011 09:16:17 +0200
Subject: [PATCH] ENH:minor modifications of pca example
---
Examples/FeatureExtraction/PCAExample.cxx | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/Examples/FeatureExtraction/PCAExample.cxx b/Examples/FeatureExtraction/PCAExample.cxx
index 03f3ed50b3..cc051214e8 100644
--- a/Examples/FeatureExtraction/PCAExample.cxx
+++ b/Examples/FeatureExtraction/PCAExample.cxx
@@ -132,15 +132,17 @@ int main(int argc, char* argv[])
// Software Guide : BeginLatex
//
// \doxygen{otb}{PCAImageFilter} allows also to compute inverse
- // transformation from PCA coefficients. In REVERSE mode, the
+ // transformation from PCA coefficients. In reverse mode, the
// covariance matrix or the transformation matrix
// (which may not be square) has to be given.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
- typedef otb::PCAImageFilter< ImageType, ImageType, otb::Transform::INVERSE > InvPCAFilterType;
+ typedef otb::PCAImageFilter< ImageType, ImageType,
+ otb::Transform::INVERSE > InvPCAFilterType;
InvPCAFilterType::Pointer invFilter = InvPCAFilterType::New();
+
invFilter->SetInput(pcafilter->GetOutput());
invFilter->SetTransformationMatrix(pcafilter->GetTransformationMatrix());
@@ -152,8 +154,8 @@ int main(int argc, char* argv[])
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
- // Figure~\ref{fig:PCA_FILTER} shows the result of applying
- // the PCA to a 3 band RGB image.
+ // Figure~\ref{fig:PCA_FILTER} shows the result of applying forward
+ // and reverse PCA transformation to a 3 band RGB image.
// \begin{figure}
// \center
// \includegraphics[width=0.25\textwidth]{ROI_QB_MUL_1.eps}
@@ -164,7 +166,8 @@ int main(int argc, char* argv[])
// \itkcaption[PCA Filter (forward trasnformation)]{Result of applying the
// \doxygen{otb}{PCAImageFilter} to an image. From left
// to right and top to bottom:
- // original image, first PC, second PC, third PC and inverse mode output.}
+ // original image, first PC, second PC, third PC and output of the
+ // inverse mode (the input RGB image).}
// \label{fig:PCA_FILTER}
// \end{figure}
//
--
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