fix inintial weighting

1f010529 · marina.kolpakova · a8d0e049 · 1f010529
Commit 1f010529 authored Dec 13, 2012 by marina.kolpakova
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octave.cpp apps/sft/octave.cpp +2 -2

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--- a/apps/sft/octave.cpp
+++ b/apps/sft/octave.cpp
@@ -382,8 +382,8 @@ void sft::Octave::write( cv::FileStorage &fso, const Mat& thresholds) const
 void sft::Octave::initial_weights(double (&p)[2])
 {
    double n = data->sample_count;
-    p[0] =  n / (double)(nnegatives) ;
-    p[1] =  n / (double)(npositives);
+    p[0] =  n / (2. * (double)(nnegatives));
+    p[1] =  n / (2. * (double)(npositives));
 }

 bool sft::Octave::train(const Dataset& dataset, const FeaturePool& pool, int weaks, int treeDepth)