diff --git a/modules/gpu/src/cuda/project_points.cu b/modules/gpu/src/cuda/project_points.cu
index 77144b542..6d766567e 100644
--- a/modules/gpu/src/cuda/project_points.cu
+++ b/modules/gpu/src/cuda/project_points.cu
@@ -63,14 +63,14 @@ namespace cv { namespace gpu
             }
         };
 
-        void call(const DevMem2D_<float> src, const float* rot,
-                  const float* transl, DevMem2D_<float> dst)
+        void call(const DevMem2D_<float3> src, const float* rot,
+                  const float* transl, DevMem2D_<float3> dst)
         {
             cudaSafeCall(cudaMemcpyToSymbol(crot0, rot, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(crot1, rot + 3, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(crot2, rot + 6, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(ctransl, transl, sizeof(float) * 3));
-            transform((const DevMem2D_<float3>)src, (DevMem2D_<float3>)dst, TransformOp());
+            transform(src, dst, TransformOp());
         }
     } // namespace transform_points
 
@@ -99,8 +99,8 @@ namespace cv { namespace gpu
             }
         };
 
-        void call(const DevMem2D_<float> src, const float* rot,
-                  const float* transl, const float* proj, DevMem2D_<float> dst)
+        void call(const DevMem2D_<float3> src, const float* rot,
+                  const float* transl, const float* proj, DevMem2D_<float2> dst)
         {
             cudaSafeCall(cudaMemcpyToSymbol(crot0, rot, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(crot1, rot + 3, sizeof(float) * 3));
@@ -108,7 +108,7 @@ namespace cv { namespace gpu
             cudaSafeCall(cudaMemcpyToSymbol(ctransl, transl, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(cproj0, proj, sizeof(float) * 3));
             cudaSafeCall(cudaMemcpyToSymbol(cproj1, proj + 3, sizeof(float) * 3));
-            transform((const DevMem2D_<float3>)src, (DevMem2D_<float2>)dst, ProjectOp());
+            transform(src, dst, ProjectOp());
         }
     } // namespace project_points
 
diff --git a/modules/gpu/src/project_points.cpp b/modules/gpu/src/project_points.cpp
index 61a28b1c9..f3c2f55a8 100644
--- a/modules/gpu/src/project_points.cpp
+++ b/modules/gpu/src/project_points.cpp
@@ -52,9 +52,9 @@ void cv::gpu::projectPoints(const GpuMat&, const Mat&, const Mat&,
 
 #else
 
-namespace cv { namespace gpu { namespace transform_points {
-    void call(const DevMem2D_<float> src, const float* rot,
-              const float* transl, DevMem2D_<float> dst);
+namespace cv { namespace gpu { namespace transform_points 
+{
+    void call(const DevMem2D_<float3> src, const float* rot, const float* transl, DevMem2D_<float3> dst);
 }}}
 
 void cv::gpu::transformPoints(const GpuMat& src, const Mat& rvec, const Mat& tvec,
@@ -73,9 +73,9 @@ void cv::gpu::transformPoints(const GpuMat& src, const Mat& rvec, const Mat& tve
 }
 
 
-namespace cv { namespace gpu { namespace project_points {
-    void call(const DevMem2D_<float> src, const float* rot,
-              const float* transl, const float* proj, DevMem2D_<float> dst);
+namespace cv { namespace gpu { namespace project_points 
+{
+    void call(const DevMem2D_<float3> src, const float* rot, const float* transl, const float* proj, DevMem2D_<float2> dst);
 }}}
 
 void cv::gpu::projectPoints(const GpuMat& src, const Mat& rvec, const Mat& tvec,
@@ -92,8 +92,7 @@ void cv::gpu::projectPoints(const GpuMat& src, const Mat& rvec, const Mat& tvec,
     Rodrigues(rvec, rot);
 
     dst.create(src.size(), CV_32FC2);
-    project_points::call(src, rot.ptr<float>(), tvec.ptr<float>(),
-                         camera_mat.ptr<float>(), dst);
+    project_points::call(src, rot.ptr<float>(), tvec.ptr<float>(), camera_mat.ptr<float>(), dst);
 }
 
 #endif