Merge pull request #9618 from vipinanand4:goodFeaturesToTrack_added_gradiantSize

Added gradiantSize param into goodFeaturesToTrack API (#9618)

* Added gradiantSize param into goodFeaturesToTrack API

Removed hardcode value 3 in goodFeaturesToTrack API, and
added new param 'gradinatSize' in this API so that user can
pass any gradiant size as 3, 5 or 7.

Signed-off-by: Vipin Anand <anand.vipin@gmail.com>
Signed-off-by: Nilaykumar Patel<nilay.nilpat@gmail.com>
Signed-off-by: Prashanth Voora <prashanthx85@gmail.com>

* fixed compilation error for java test

Signed-off-by: Vipin Anand <anand.vipin@gmail.com>

* Modifying code for previous binary compatibility and fixing other warnings

fixed ABI break issue

resolved merged conflict

compilation error fix

Signed-off-by: Vipin Anand <anand.vipin@gmail.com>
Signed-off-by: Patel, Nilaykumar K <nilay.nilpat@gmail.com>

samples/cpp/tutorial_code/TrackingMotion/cornerSubPix_Demo.cpp

@@ -59,7 +59,7 @@ void goodFeaturesToTrack_Demo( int, void* )
   vector<Point2f> corners;
   double qualityLevel = 0.01;
   double minDistance = 10;
-  int blockSize = 3;
+  int blockSize = 3, gradiantSize = 3;
   bool useHarrisDetector = false;
   double k = 0.04;
 
@@ -75,6 +75,7 @@ void goodFeaturesToTrack_Demo( int, void* )
                minDistance,
                Mat(),
                blockSize,
+               gradiantSize,
                useHarrisDetector,
                k );
 

samples/cpp/tutorial_code/TrackingMotion/goodFeaturesToTrack_Demo.cpp

@@ -59,7 +59,7 @@ void goodFeaturesToTrack_Demo( int, void* )
   vector<Point2f> corners;
   double qualityLevel = 0.01;
   double minDistance = 10;
-  int blockSize = 3;
+  int blockSize = 3, gradiantSize = 3;
   bool useHarrisDetector = false;
   double k = 0.04;
 
@@ -75,6 +75,7 @@ void goodFeaturesToTrack_Demo( int, void* )
                minDistance,
                Mat(),
                blockSize,
+               gradiantSize,
                useHarrisDetector,
                k );