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Fixed median focal length estimation in the stitching module

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This commit is contained in:
Alexey Spizhevoy
2011-10-24 12:35:11 +00:00
parent b74e9c101a
commit 28e006ad4f
3 changed files with 24 additions and 6 deletions
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11
modules/stitching/src/autocalib.cpp
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@@ -120,9 +120,16 @@ void estimateFocal(const vector<ImageFeatures> &features, const vector<MatchesIn
if (static_cast<int>(all_focals.size()) >= num_images - 1)
{
nth_element(all_focals.begin(), all_focals.begin() + all_focals.size()/2, all_focals.end());
double median;
sort(all_focals.begin(), all_focals.end());
if (all_focals.size() % 2 == 1)
median = all_focals[all_focals.size() / 2];
else
median = (all_focals[all_focals.size() / 2 - 1] + all_focals[all_focals.size() / 2]) * 0.5;
for (int i = 0; i < num_images; ++i)
focals[i] = all_focals[all_focals.size()/2];
focals[i] = median;
}
else
{