warning corrections

modules/core/doc/basic_structures.rst

@@ -643,9 +643,9 @@ KeyPoint::convert
 
 This method converts vector of keypoints to vector of points or the reverse, where each keypoint is assigned the same size and the same orientation.
 
-.. ocv:function:: KeyPoint::convert(const std::vector<KeyPoint>& keypoints, CV_OUT std::vector<Point2f>& points2f, const std::vector<int>& keypointIndexes=std::vector<int>())
+.. ocv:function:: void KeyPoint::convert(const std::vector<KeyPoint>& keypoints, std::vector<Point2f>& points2f, const std::vector<int>& keypointIndexes=std::vector<int>())
 
-.. ocv:function:: KeyPoint::convert(const std::vector<Point2f>& points2f, CV_OUT std::vector<KeyPoint>& keypoints, float size=1, float response=1, int octave=0, int class_id=-1)
+.. ocv:function:: void KeyPoint::convert(const std::vector<Point2f>& points2f, std::vector<KeyPoint>& keypoints, float size=1, float response=1, int octave=0, int class_id=-1)
 
 .. ocv:pyfunction:: cv2.KeyPoint_convert(keypoints[, keypointIndexes]) -> points2f
 
@@ -671,7 +671,7 @@ KeyPoint::overlap
 
 This method computes overlap for pair of keypoints. Overlap is the ratio between area of keypoint regions' intersection and area of keypoint regions' union (considering keypoint region as circle). If they don't overlap, we get zero. If they coincide at same location with same size, we get 1.
 
-.. ocv:function:: KeyPoint::overlap(const KeyPoint& kp1, const KeyPoint& kp2)
+.. ocv:function:: float KeyPoint::overlap(const KeyPoint& kp1, const KeyPoint& kp2)
 
 .. ocv:pyfunction:: cv2.KeyPoint_overlap(kp1, kp2) -> retval