restored 2 methods (for backward compatibility)

modules/features2d/include/opencv2/features2d/features2d.hpp

@@ -1248,6 +1248,13 @@ public:
 
 protected:
     virtual void detectImpl( const Mat& image, vector<KeyPoint>& keypoints, const Mat& mask=Mat() ) const = 0;
+
+    /*
+     * Remove keypoints that are not in the mask.
+     * Helper function, useful when wrapping a library call for keypoint detection that
+     * does not support a mask argument.
+     */
+    static void removeInvalidPoints( const Mat& mask, vector<KeyPoint>& keypoints );
 };
 
 class CV_EXPORTS FastFeatureDetector : public FeatureDetector
@@ -1655,6 +1662,12 @@ public:
 
 protected:
     virtual void computeImpl( const Mat& image, vector<KeyPoint>& keypoints, Mat& descriptors ) const = 0;
+
+    /*
+     * Remove keypoints within borderPixels of an image edge.
+     */
+    static void removeBorderKeypoints( vector<KeyPoint>& keypoints,
+                                       Size imageSize, int borderSize );
 };
 
 /*

modules/features2d/src/descriptors.cpp

@@ -89,6 +89,12 @@ bool DescriptorExtractor::empty() const
     return false;
 }
 
+void DescriptorExtractor::removeBorderKeypoints( vector<KeyPoint>& keypoints,
+                                                 Size imageSize, int borderSize )
+{
+    KeyPointsFilter::runByImageBorder( keypoints, imageSize, borderSize );
+}
+
 Ptr<DescriptorExtractor> DescriptorExtractor::create(const string& descriptorExtractorType)
 {
     DescriptorExtractor* de = 0;

modules/features2d/src/detectors.cpp

@@ -82,6 +82,11 @@ bool FeatureDetector::empty() const
     return false;
 }
 
+void FeatureDetector::removeInvalidPoints( const Mat& mask, vector<KeyPoint>& keypoints )
+{
+    KeyPointsFilter::runByPixelsMask( keypoints, mask );
+}
+
 Ptr<FeatureDetector> FeatureDetector::create( const string& detectorType )
 {
     FeatureDetector* fd = 0;