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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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10
samples/cpp/stitching_detailed.cpp
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@@ -486,14 +486,20 @@ int main(int argc, char* argv[])
(*adjuster)(features, pairwise_matches, cameras);
// Find median focal length
vector<double> focals;
for (size_t i = 0; i < cameras.size(); ++i)
{
LOGLN("Camera #" << indices[i]+1 << ":\n" << cameras[i].K());
focals.push_back(cameras[i].focal);
}
nth_element(focals.begin(), focals.begin() + focals.size()/2, focals.end());
float warped_image_scale = static_cast<float>(focals[focals.size() / 2]);
sort(focals.begin(), focals.end());
float warped_image_scale;
if (focals.size() % 2 == 1)
warped_image_scale = static_cast<float>(focals[focals.size() / 2]);
else
warped_image_scale = static_cast<float>(focals[focals.size() / 2 - 1] + focals[focals.size() / 2]) * 0.5f;
if (do_wave_correct)
{