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Merge pull request #7443 from Tytan:akaze

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This commit is contained in:
Vadim Pisarevsky 2016-10-17 09:22:52 +00:00
commit 27c8f8a1d4
2 changed files with 42 additions and 0 deletions
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21
modules/stitching/include/opencv2/stitching/detail/matchers.hpp
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@ -131,6 +131,27 @@ private:
Size grid_size;
};
/** @brief AKAZE features finder. :
@sa detail::FeaturesFinder, AKAZE
*/
class CV_EXPORTS AKAZEFeaturesFinder : public detail::FeaturesFinder
{
public:
AKAZEFeaturesFinder(int descriptor_type = AKAZE::DESCRIPTOR_MLDB,
int descriptor_size = 0,
int descriptor_channels = 3,
float threshold = 0.001f,
int nOctaves = 4,
int nOctaveLayers = 4,
int diffusivity = KAZE::DIFF_PM_G2);
private:
void find(InputArray image, detail::ImageFeatures &features);
Ptr<AKAZE> akaze;
};
#ifdef HAVE_OPENCV_XFEATURES2D
class CV_EXPORTS SurfFeaturesFinderGpu : public FeaturesFinder

21
modules/stitching/src/matchers.cpp
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@ -462,6 +462,27 @@ void OrbFeaturesFinder::find(InputArray image, ImageFeatures &features)
}
}
AKAZEFeaturesFinder::AKAZEFeaturesFinder(int descriptor_type,
int descriptor_size,
int descriptor_channels,
float threshold,
int nOctaves,
int nOctaveLayers,
int diffusivity)
{
akaze = AKAZE::create(descriptor_type, descriptor_size, descriptor_channels,
threshold, nOctaves, nOctaveLayers, diffusivity);
}
void AKAZEFeaturesFinder::find(InputArray image, detail::ImageFeatures &features)
{
CV_Assert((image.type() == CV_8UC3) || (image.type() == CV_8UC1));
Mat descriptors;
UMat uimage = image.getUMat();
akaze->detectAndCompute(uimage, UMat(), features.keypoints, descriptors);
features.descriptors = descriptors.getUMat(ACCESS_READ);
}
#ifdef HAVE_OPENCV_XFEATURES2D
SurfFeaturesFinderGpu::SurfFeaturesFinderGpu(double hess_thresh, int num_octaves, int num_layers,
int num_octaves_descr, int num_layers_descr)