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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2021-04-08 10:48:51 +00:00
parent 6e8daaec0f 76860933f0
commit 68d15fc62e
11 changed files with 111 additions and 23 deletions
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modules/features2d/src/blobdetector.cpp
+7 -1
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@@ -325,13 +325,19 @@ void SimpleBlobDetectorImpl::detect(InputArray image, std::vector<cv::KeyPoint>&
std::vector < Center > curCenters;
findBlobs(grayscaleImage, binarizedImage, curCenters);
if(params.maxThreshold - params.minThreshold <= params.thresholdStep) {
// if the difference between min and max threshold is less than the threshold step
// we're only going to enter the loop once, so we need to add curCenters
// to ensure we still use minDistBetweenBlobs
centers.push_back(curCenters);
}
std::vector < std::vector<Center> > newCenters;
for (size_t i = 0; i < curCenters.size(); i++)
{
bool isNew = true;
for (size_t j = 0; j < centers.size(); j++)
{
double dist = norm(centers[j][ centers[j].size() / 2 ].location - curCenters[i].location);
double dist = norm(centers[j][centers[j].size() / 2 ].location - curCenters[i].location);
isNew = dist >= params.minDistBetweenBlobs && dist >= centers[j][ centers[j].size() / 2 ].radius && dist >= curCenters[i].radius;
if (!isNew)
{