BLOB - Support RGBA

This commit is contained in:
Hamdi Sahloul 2018-01-07 14:30:40 +09:00
parent 004a1cd64a
commit 2d2499f610

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@ -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();