Commit e3a6d749 authored by Alexander Alekhin's avatar Alexander Alekhin

Merge pull request #10536 from Sahloul:bug_fix/BLOB

parents dd3c1d3b 2d2499f6
...@@ -311,7 +311,7 @@ void SimpleBlobDetectorImpl::detect(InputArray image, std::vector<cv::KeyPoint>& ...@@ -311,7 +311,7 @@ void SimpleBlobDetectorImpl::detect(InputArray image, std::vector<cv::KeyPoint>&
//TODO: support mask //TODO: support mask
keypoints.clear(); keypoints.clear();
Mat grayscaleImage; Mat grayscaleImage;
if (image.channels() == 3) if (image.channels() == 3 || image.channels() == 4)
cvtColor(image, grayscaleImage, COLOR_BGR2GRAY); cvtColor(image, grayscaleImage, COLOR_BGR2GRAY);
else else
grayscaleImage = image.getMat(); grayscaleImage = image.getMat();
......
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