Index: modules/gpu/src/matrix_reductions.cpp
===================================================================
--- modules/gpu/src/matrix_reductions.cpp	(revision 8447)
+++ modules/gpu/src/matrix_reductions.cpp	(working copy)
@@ -128,7 +128,8 @@
     DeviceBuffer dbuf(2);
 
     int bufSize;
-    nppSafeCall( nppiMeanStdDev8uC1RGetBufferHostSize(sz, &bufSize) );
+    //nppSafeCall( nppiMeanStdDev8uC1RGetBufferHostSize(sz, &bufSize) );
+    nppSafeCall( nppiMeanStdDevGetBufferHostSize_8u_C1R(sz, &bufSize) );
 
     ensureSizeIsEnough(1, bufSize, CV_8UC1, buf);
 
Index: modules/gpu/src/element_operations.cpp
===================================================================
--- modules/gpu/src/element_operations.cpp	(revision 8447)
+++ modules/gpu/src/element_operations.cpp	(working copy)
@@ -998,7 +998,9 @@
         typedef NppTypeTraits<CV_16U>::npp_t npp_t;
         typedef Npp32u scalar_t;
 
-        typedef NppStatus (*func_t)(const Npp16u* pSrc1, int nSrc1Step, Npp16u* pDst, int nDstStep, NppiSize oSizeROI, Npp32u nConstant);
+        //typedef NppStatus (*func_t)(const Npp16u* pSrc1, int nSrc1Step, Npp16u* pDst, int nDstStep, NppiSize oSizeROI, Npp32u nConstant);
+    typedef NppStatus (*func_t)(const Npp16u * pSrc1, int nSrc1Step, Npp16u * pDst,  int nDstStep,  NppiSize oSizeROI, Npp16u nConstant);
+
     };
 
     template <int DEPTH, typename NppAbsDiffCFunc<DEPTH>::func_t func> struct NppAbsDiffC