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Merge pull request #771 from gpsinghsandhu:surfFeatureFinder

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Andrey Kamaev 2013-04-05 12:59:22 +04:00 committed by OpenCV Buildbot
commit 977562b614
1 changed files with 9 additions and 2 deletions
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11
modules/stitching/src/matchers.cpp
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@ -348,8 +348,15 @@ SurfFeaturesFinder::SurfFeaturesFinder(double hess_thresh, int num_octaves, int
void SurfFeaturesFinder::find(const Mat &image, ImageFeatures &features) void SurfFeaturesFinder::find(const Mat &image, ImageFeatures &features)
{ {
Mat gray_image; Mat gray_image;
CV_Assert(image.type() == CV_8UC3); CV_Assert((image.type() == CV_8UC3) || (image.type() == CV_8UC1));
cvtColor(image, gray_image, CV_BGR2GRAY); if(image.type() == CV_8UC3)
{
cvtColor(image, gray_image, CV_BGR2GRAY);
}
else
{
gray_image = image;
}
if (surf == 0) if (surf == 0)
{ {
detector_->detect(gray_image, features.keypoints); detector_->detect(gray_image, features.keypoints);