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fix inintial weighting
author
marina.kolpakova
<marina.kolpakova@itseez.com>
Thu, 13 Dec 2012 10:31:28 +0000
(14:31 +0400)
committer
marina.kolpakova
<marina.kolpakova@itseez.com>
Fri, 1 Feb 2013 10:34:39 +0000
(14:34 +0400)
apps/sft/octave.cpp
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diff --git
a/apps/sft/octave.cpp
b/apps/sft/octave.cpp
index
e886fbd
..
6a02d54
100644
(file)
--- 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)