diff --git a/modules/cudaoptflow/src/brox.cpp b/modules/cudaoptflow/src/brox.cpp
index 11c541906bebdd2725e526f8e969a940c1af508c..70c8a4e0bd3fab2c302107c685824d507b2e9872 100644
--- a/modules/cudaoptflow/src/brox.cpp
+++ b/modules/cudaoptflow/src/brox.cpp
@@ -64,6 +64,8 @@ namespace {
         {
         }
 
+        virtual String getDefaultName() const { return "DenseOpticalFlow.BroxOpticalFlow"; }
+
         virtual void calc(InputArray I0, InputArray I1, InputOutputArray flow, Stream& stream);
 
         virtual double getFlowSmoothness() const { return alpha_; }
diff --git a/modules/cudaoptflow/src/farneback.cpp b/modules/cudaoptflow/src/farneback.cpp
index 69ea437ec417043a8cff096942319358c3701822..7cc8373f72b02348a89983ac6226e0a636af2bb7 100644
--- a/modules/cudaoptflow/src/farneback.cpp
+++ b/modules/cudaoptflow/src/farneback.cpp
@@ -129,6 +129,8 @@ namespace
 
         virtual void calc(InputArray I0, InputArray I1, InputOutputArray flow, Stream& stream);
 
+        virtual String getDefaultName() const { return "DenseOpticalFlow.FarnebackOpticalFlow"; }
+
     private:
         int numLevels_;
         double pyrScale_;
diff --git a/modules/cudaoptflow/src/pyrlk.cpp b/modules/cudaoptflow/src/pyrlk.cpp
index 10209779033f5d13506e99fde13a57df7a8a66e4..d7447ae71bcec5eb8644f1765d1d94bfe67995de 100644
--- a/modules/cudaoptflow/src/pyrlk.cpp
+++ b/modules/cudaoptflow/src/pyrlk.cpp
@@ -347,6 +347,8 @@ namespace
                 sparse(prevImg, nextImg, prevPts, nextPts, status, err, stream);
             }
         }
+
+        virtual String getDefaultName() const { return "SparseOpticalFlow.SparsePyrLKOpticalFlow"; }
     };
 
     class DensePyrLKOpticalFlowImpl : public DensePyrLKOpticalFlow, private PyrLKOpticalFlowBase
@@ -388,6 +390,8 @@ namespace
             GpuMat flows[] = {u, v};
             cuda::merge(flows, 2, _flow, stream);
         }
+
+        virtual String getDefaultName() const { return "DenseOpticalFlow.DensePyrLKOpticalFlow"; }
     };
 }
 
diff --git a/modules/cudaoptflow/src/tvl1flow.cpp b/modules/cudaoptflow/src/tvl1flow.cpp
index abc6c2e318f907a23248c51df62836d35eeadcb2..5f28d4c6174a238c087a486a373919b12f6d5bda 100644
--- a/modules/cudaoptflow/src/tvl1flow.cpp
+++ b/modules/cudaoptflow/src/tvl1flow.cpp
@@ -119,6 +119,9 @@ namespace
 
         virtual void calc(InputArray I0, InputArray I1, InputOutputArray flow, Stream& stream);
 
+        virtual String getDefaultName() const { return "DenseOpticalFlow.OpticalFlowDual_TVL1"; }
+
+
     private:
         double tau_;
         double lambda_;
diff --git a/modules/video/src/lkpyramid.cpp b/modules/video/src/lkpyramid.cpp
index f441be80f491defaa39136f1f019f5cfc805499b..8df531448a6cee984b4dc2fe636d61c5b2332841 100644
--- a/modules/video/src/lkpyramid.cpp
+++ b/modules/video/src/lkpyramid.cpp
@@ -867,6 +867,8 @@ namespace
                           OutputArray status,
                           OutputArray err = cv::noArray()) CV_OVERRIDE;
 
+        virtual String getDefaultName() const CV_OVERRIDE { return "SparseOpticalFlow.SparsePyrLKOpticalFlow"; }
+
     private:
 #ifdef HAVE_OPENCL
         bool checkParam()
diff --git a/modules/video/src/optflowgf.cpp b/modules/video/src/optflowgf.cpp
index 83ad47fc0e79ca1654c1a6a2ecae9b688434bd45..2b164b62d32d1047561e89bb12796fef301afa0f 100644
--- a/modules/video/src/optflowgf.cpp
+++ b/modules/video/src/optflowgf.cpp
@@ -618,6 +618,8 @@ public:
 
     virtual void calc(InputArray I0, InputArray I1, InputOutputArray flow) CV_OVERRIDE;
 
+    virtual String getDefaultName() const CV_OVERRIDE { return "DenseOpticalFlow.FarnebackOpticalFlow"; }
+
 private:
     int numLevels_;
     double pyrScale_;
diff --git a/modules/video/src/tvl1flow.cpp b/modules/video/src/tvl1flow.cpp
index dc2dc827aca5f5ccbd6143a1713146090af3bb56..607c0cf7e02c0b760cf459118ce38bfbc8fa8e33 100644
--- a/modules/video/src/tvl1flow.cpp
+++ b/modules/video/src/tvl1flow.cpp
@@ -102,6 +102,8 @@ public:
     }
     OpticalFlowDual_TVL1();
 
+    virtual String getDefaultName() const CV_OVERRIDE { return "DenseOpticalFlow.DualTVL1OpticalFlow"; }
+
     void calc(InputArray I0, InputArray I1, InputOutputArray flow) CV_OVERRIDE;
     void collectGarbage() CV_OVERRIDE;