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stitching: force "stable" RNG

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This commit is contained in:
Alexander Alekhin 2017-02-28 18:50:09 +03:00
parent f46fa6e096
commit 53e685461e
1 changed files with 3 additions and 0 deletions
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3
modules/stitching/src/matchers.cpp
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@ -70,9 +70,12 @@ struct MatchPairsBody : ParallelLoopBody
void operator ()(const Range &r) const void operator ()(const Range &r) const
{ {
cv::RNG rng = cv::theRNG(); // save entry rng state
const int num_images = static_cast<int>(features.size()); const int num_images = static_cast<int>(features.size());
for (int i = r.start; i < r.end; ++i) for (int i = r.start; i < r.end; ++i)
{ {
cv::theRNG() = cv::RNG(rng.state + i); // force "stable" RNG seed for each processed pair
int from = near_pairs[i].first; int from = near_pairs[i].first;
int to = near_pairs[i].second; int to = near_pairs[i].second;
int pair_idx = from*num_images + to; int pair_idx = from*num_images + to;