Move documentation for cv::KeyPoint and cv::DMatch to core

modules/core/doc/basic_structures.rst

@@ -368,6 +368,95 @@ The static method ``Range::all()`` returns a special variable that means "the wh
     }
 
 
+KeyPoint
+--------
+.. ocv:class:: KeyPoint
+
+  Data structure for salient point detectors.
+
+  .. ocv:member:: Point2f pt
+
+     coordinates of the keypoint
+
+  .. ocv:member:: float size
+
+     diameter of the meaningful keypoint neighborhood
+
+  .. ocv:member:: float angle
+
+     computed orientation of the keypoint (-1 if not applicable). Its possible values are in a range [0,360) degrees. It is measured relative to image coordinate system (y-axis is directed downward), ie in clockwise.
+
+  .. ocv:member:: float response
+
+     the response by which the most strong keypoints have been selected. Can be used for further sorting or subsampling
+
+  .. ocv:member:: int octave
+
+     octave (pyramid layer) from which the keypoint has been extracted
+
+  .. ocv:member:: int class_id
+
+     object id that can be used to clustered keypoints by an object they belong to
+
+KeyPoint::KeyPoint
+------------------
+The keypoint constructors
+
+.. ocv:function:: KeyPoint::KeyPoint()
+
+.. ocv:function:: KeyPoint::KeyPoint(Point2f _pt, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1)
+
+.. ocv:function:: KeyPoint::KeyPoint(float x, float y, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1)
+
+.. ocv:pyfunction:: cv2.KeyPoint([x, y, _size[, _angle[, _response[, _octave[, _class_id]]]]]) -> <KeyPoint object>
+
+    :param x: x-coordinate of the keypoint
+
+    :param y: y-coordinate of the keypoint
+
+    :param _pt: x & y coordinates of the keypoint
+
+    :param _size: keypoint diameter
+
+    :param _angle: keypoint orientation
+
+    :param _response: keypoint detector response on the keypoint (that is, strength of the keypoint)
+
+    :param _octave: pyramid octave in which the keypoint has been detected
+
+    :param _class_id: object id
+
+
+DMatch
+------
+.. ocv:struct:: DMatch
+
+Class for matching keypoint descriptors: query descriptor index,
+train descriptor index, train image index, and distance between descriptors. ::
+
+    struct DMatch
+    {
+        DMatch() : queryIdx(-1), trainIdx(-1), imgIdx(-1),
+                   distance(std::numeric_limits<float>::max()) {}
+        DMatch( int _queryIdx, int _trainIdx, float _distance ) :
+                queryIdx(_queryIdx), trainIdx(_trainIdx), imgIdx(-1),
+                distance(_distance) {}
+        DMatch( int _queryIdx, int _trainIdx, int _imgIdx, float _distance ) :
+                queryIdx(_queryIdx), trainIdx(_trainIdx), imgIdx(_imgIdx),
+                distance(_distance) {}
+
+        int queryIdx; // query descriptor index
+        int trainIdx; // train descriptor index
+        int imgIdx;   // train image index
+
+        float distance;
+
+        // less is better
+        bool operator<( const DMatch &m ) const;
+    };
+
+
+
 .. _Ptr:
 
 Ptr

modules/features2d/doc/common_interfaces_of_descriptor_matchers.rst

@@ -9,34 +9,6 @@ that are represented as vectors in a multidimensional space. All objects that im
 descriptor matchers inherit the
 :ocv:class:`DescriptorMatcher` interface.
 
-DMatch
-------
-.. ocv:struct:: DMatch
-
-Class for matching keypoint descriptors: query descriptor index,
-train descriptor index, train image index, and distance between descriptors. ::
-
-    struct DMatch
-    {
-        DMatch() : queryIdx(-1), trainIdx(-1), imgIdx(-1),
-                   distance(std::numeric_limits<float>::max()) {}
-        DMatch( int _queryIdx, int _trainIdx, float _distance ) :
-                queryIdx(_queryIdx), trainIdx(_trainIdx), imgIdx(-1),
-                distance(_distance) {}
-        DMatch( int _queryIdx, int _trainIdx, int _imgIdx, float _distance ) :
-                queryIdx(_queryIdx), trainIdx(_trainIdx), imgIdx(_imgIdx),
-                distance(_distance) {}
-
-        int queryIdx; // query descriptor index
-        int trainIdx; // train descriptor index
-        int imgIdx;   // train image index
-
-        float distance;
-
-        // less is better
-        bool operator<( const DMatch &m ) const;
-    };
-
 
 DescriptorMatcher
 -----------------

modules/features2d/doc/common_interfaces_of_feature_detectors.rst

@@ -8,64 +8,6 @@ between different algorithms solving the same problem. All objects that implemen
 inherit the
 :ocv:class:`FeatureDetector` interface.
 
-KeyPoint
---------
-.. ocv:class:: KeyPoint
-
-  Data structure for salient point detectors.
-
-  .. ocv:member:: Point2f pt
-
-     coordinates of the keypoint
-
-  .. ocv:member:: float size
-
-     diameter of the meaningful keypoint neighborhood
-
-  .. ocv:member:: float angle
-
-     computed orientation of the keypoint (-1 if not applicable). Its possible values are in a range [0,360) degrees. It is measured relative to image coordinate system (y-axis is directed downward), ie in clockwise.
-
-  .. ocv:member:: float response
-
-     the response by which the most strong keypoints have been selected. Can be used for further sorting or subsampling
-
-  .. ocv:member:: int octave
-
-     octave (pyramid layer) from which the keypoint has been extracted
-
-  .. ocv:member:: int class_id
-
-     object id that can be used to clustered keypoints by an object they belong to
-
-KeyPoint::KeyPoint
-------------------
-The keypoint constructors
-
-.. ocv:function:: KeyPoint::KeyPoint()
-
-.. ocv:function:: KeyPoint::KeyPoint(Point2f _pt, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1)
-
-.. ocv:function:: KeyPoint::KeyPoint(float x, float y, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1)
-
-.. ocv:pyfunction:: cv2.KeyPoint([x, y, _size[, _angle[, _response[, _octave[, _class_id]]]]]) -> <KeyPoint object>
-
-    :param x: x-coordinate of the keypoint
-
-    :param y: y-coordinate of the keypoint
-
-    :param _pt: x & y coordinates of the keypoint
-
-    :param _size: keypoint diameter
-
-    :param _angle: keypoint orientation
-
-    :param _response: keypoint detector response on the keypoint (that is, strength of the keypoint)
-
-    :param _octave: pyramid octave in which the keypoint has been detected
-
-    :param _class_id: object id
-
 
 FeatureDetector
 ---------------