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Add overloaded cv::PCACompute() that returns also the eigenvalues. Useful for Java and Python OpenCV where PCA is not available.

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catree
2018-07-13 15:05:54 +02:00
parent 9c3ec05825
commit 4dc7e617a4
2 changed files with 36 additions and 0 deletions
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modules/core/include/opencv2/core.hpp
+10
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@@ -1978,10 +1978,20 @@ CV_EXPORTS_W void calcCovarMatrix( InputArray samples, OutputArray covar,
CV_EXPORTS_W void PCACompute(InputArray data, InputOutputArray mean,
OutputArray eigenvectors, int maxComponents = 0);
/** wrap PCA::operator() and add eigenvalues output parameter */
CV_EXPORTS_AS(PCACompute2) void PCACompute(InputArray data, InputOutputArray mean,
OutputArray eigenvectors, OutputArray eigenvalues,
int maxComponents = 0);
/** wrap PCA::operator() */
CV_EXPORTS_W void PCACompute(InputArray data, InputOutputArray mean,
OutputArray eigenvectors, double retainedVariance);
/** wrap PCA::operator() and add eigenvalues output parameter */
CV_EXPORTS_AS(PCACompute2) void PCACompute(InputArray data, InputOutputArray mean,
OutputArray eigenvectors, OutputArray eigenvalues,
double retainedVariance);
/** wrap PCA::project */
CV_EXPORTS_W void PCAProject(InputArray data, InputArray mean,
InputArray eigenvectors, OutputArray result);