diff --git a/modules/calib3d/include/opencv2/calib3d/calib3d.hpp b/modules/calib3d/include/opencv2/calib3d/calib3d.hpp
index 47a4e124afb4672f4440767973dfa04639123710..4a394f0fded5b375f4666cff0fd6620e72d2f000 100644
--- a/modules/calib3d/include/opencv2/calib3d/calib3d.hpp
+++ b/modules/calib3d/include/opencv2/calib3d/calib3d.hpp
@@ -442,10 +442,13 @@ enum
 };
 
 //! computes the best-fit perspective transformation mapping srcPoints to dstPoints.
-CV_EXPORTS_W Mat findHomography( const InputArray& srcPoints,
-                                 const InputArray& dstPoints,
+CV_EXPORTS_W Mat findHomography( const InputArray& srcPoints, const InputArray& dstPoints,
                                  int method=0, double ransacReprojThreshold=3,
                                  OutputArray mask=OutputArray());
+
+//! variant of findHomography for backward compatibility
+CV_EXPORTS Mat findHomography( const InputArray& srcPoints, const InputArray& dstPoints,
+                               OutputArray mask, int method=0, double ransacReprojThreshold=3);
     
 //! Computes RQ decomposition of 3x3 matrix
 CV_EXPORTS_W Vec3d RQDecomp3x3( const InputArray& src, OutputArray mtxR, OutputArray mtxQ,
@@ -640,6 +643,11 @@ CV_EXPORTS_W Mat findFundamentalMat( const InputArray& points1, const InputArray
                                      double param1=3., double param2=0.99,
                                      OutputArray mask=OutputArray());
 
+//! variant of findFundamentalMat for backward compatibility
+CV_EXPORTS Mat findFundamentalMat( const InputArray& points1, const InputArray& points2,
+                                   OutputArray mask, int method=FM_RANSAC,
+                                   double param1=3., double param2=0.99);
+
 //! finds coordinates of epipolar lines corresponding the specified points
 CV_EXPORTS void computeCorrespondEpilines( const InputArray& points1,
                                            int whichImage, const InputArray& F,
diff --git a/modules/calib3d/src/fundam.cpp b/modules/calib3d/src/fundam.cpp
index fab93bf60aae949394576ed2d1d88a540f87fcbf..98b3b66edef62d440c9d78e9649bf36b72723fd9 100644
--- a/modules/calib3d/src/fundam.cpp
+++ b/modules/calib3d/src/fundam.cpp
@@ -1065,7 +1065,13 @@ cv::Mat cv::findHomography( const InputArray& _points1, const InputArray& _point
         H = Scalar(0);
     return H;
 }
-    
+
+cv::Mat cv::findHomography( const InputArray& _points1, const InputArray& _points2,
+                            OutputArray _mask, int method, double ransacReprojThreshold )
+{
+    return cv::findHomography(_points1, _points2, method, ransacReprojThreshold, _mask);
+}
+
 cv::Mat cv::findFundamentalMat( const InputArray& _points1, const InputArray& _points2,
                                int method, double param1, double param2,
                                OutputArray _mask )
@@ -1089,6 +1095,13 @@ cv::Mat cv::findFundamentalMat( const InputArray& _points1, const InputArray& _p
     return F;
 }
 
+cv::Mat cv::findFundamentalMat( const InputArray& _points1, const InputArray& _points2,
+                                OutputArray _mask, int method, double param1, double param2 )
+{
+    return cv::findFundamentalMat(_points1, _points2, method, param1, param2, _mask);
+}
+
+
 void cv::computeCorrespondEpilines( const InputArray& _points, int whichImage,
                                     const InputArray& _Fmat, OutputArray _lines )
 {