diff --git a/modules/bioinspired/src/retina_ocl.cpp b/modules/bioinspired/src/retina_ocl.cpp
index 51f43f38b..364a6ea09 100644
--- a/modules/bioinspired/src/retina_ocl.cpp
+++ b/modules/bioinspired/src/retina_ocl.cpp
@@ -351,7 +351,7 @@ void RetinaOCLImpl::setupIPLMagnoChannel(const bool normaliseOutput, const float
     _retinaParameters.IplMagno.localAdaptintegration_k = localAdaptintegration_k;
 }
 
-void RetinaOCLImpl::run(const InputArray input)
+void RetinaOCLImpl::run(InputArray input)
 {
     oclMat &inputMatToConvert = getOclMatRef(input);
     bool colorMode = convertToColorPlanes(inputMatToConvert, _inputBuffer);
diff --git a/modules/saliency/include/opencv2/saliency/saliencyBaseClasses.hpp b/modules/saliency/include/opencv2/saliency/saliencyBaseClasses.hpp
index 21aaab9b1..84b4d8fb1 100644
--- a/modules/saliency/include/opencv2/saliency/saliencyBaseClasses.hpp
+++ b/modules/saliency/include/opencv2/saliency/saliencyBaseClasses.hpp
@@ -78,7 +78,7 @@ class CV_EXPORTS Saliency : public virtual Algorithm
    * \param saliencyMap      The computed saliency map.
    * \return true if the saliency map is computed, false otherwise
    */
-  bool computeSaliency( const InputArray image, OutputArray saliencyMap );
+  bool computeSaliency( InputArray image, OutputArray saliencyMap );
 
   /**
    * \brief Get the name of the specific saliency type
@@ -88,7 +88,7 @@ class CV_EXPORTS Saliency : public virtual Algorithm
 
  protected:
 
-  virtual bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap ) = 0;
+  virtual bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap ) = 0;
   String className;
 };
 
@@ -114,7 +114,7 @@ class CV_EXPORTS StaticSaliency : public virtual Saliency
      */
   bool computeBinaryMap( const Mat& saliencyMap, Mat& binaryMap );
  protected:
-  virtual bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap )=0;
+  virtual bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap )=0;
 
 };
 
@@ -123,7 +123,7 @@ class CV_EXPORTS MotionSaliency : public virtual Saliency
 {
 
  protected:
-  virtual bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap )=0;
+  virtual bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap )=0;
 
 };
 
@@ -132,7 +132,7 @@ class CV_EXPORTS Objectness : public virtual Saliency
 {
 
  protected:
-  virtual bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap )=0;
+  virtual bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap )=0;
 
 };
 
diff --git a/modules/saliency/include/opencv2/saliency/saliencySpecializedClasses.hpp b/modules/saliency/include/opencv2/saliency/saliencySpecializedClasses.hpp
index ab63f153f..2821a94ae 100644
--- a/modules/saliency/include/opencv2/saliency/saliencySpecializedClasses.hpp
+++ b/modules/saliency/include/opencv2/saliency/saliencySpecializedClasses.hpp
@@ -94,7 +94,7 @@ public:
   }
 
 protected:
-  bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap );
+  bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap );
   int resImWidth;
   int resImHeight;
 
@@ -154,7 +154,7 @@ protected:
        The saliency map is given by a single *Mat* (one for each frame of an hypothetical video
         stream).
   */
-  bool computeSaliencyImpl( const InputArray image, OutputArray saliencyMap );
+  bool computeSaliencyImpl( InputArray image, OutputArray saliencyMap );
 
 private:
 
@@ -268,7 +268,7 @@ protected:
     specialized algorithm, the objectnessBoundingBox is a *vector\<Vec4i\>*. Each bounding box is
     represented by a *Vec4i* for (minX, minY, maxX, maxY).
      */
-  bool computeSaliencyImpl( const InputArray image, OutputArray objectnessBoundingBox );
+  bool computeSaliencyImpl( InputArray image, OutputArray objectnessBoundingBox );
 
 private:
 
diff --git a/modules/saliency/src/BING/objectnessBING.cpp b/modules/saliency/src/BING/objectnessBING.cpp
index 67e17106f..d6643bab5 100644
--- a/modules/saliency/src/BING/objectnessBING.cpp
+++ b/modules/saliency/src/BING/objectnessBING.cpp
@@ -460,7 +460,7 @@ void ObjectnessBING::write() const
 
 }
 
-bool ObjectnessBING::computeSaliencyImpl( const InputArray image, OutputArray objectnessBoundingBox )
+bool ObjectnessBING::computeSaliencyImpl( InputArray image, OutputArray objectnessBoundingBox )
 {
   ValStructVec<float, Vec4i> finalBoxes;
   getObjBndBoxesForSingleImage( image.getMat(), finalBoxes, 250 );
diff --git a/modules/saliency/src/motionSaliencyBinWangApr2014.cpp b/modules/saliency/src/motionSaliencyBinWangApr2014.cpp
index 772fa30f4..7a08e6a7f 100644
--- a/modules/saliency/src/motionSaliencyBinWangApr2014.cpp
+++ b/modules/saliency/src/motionSaliencyBinWangApr2014.cpp
@@ -501,7 +501,7 @@ bool MotionSaliencyBinWangApr2014::templateReplacement( const Mat& finalBFMask,
   return true;
 }
 
-bool MotionSaliencyBinWangApr2014::computeSaliencyImpl( const InputArray image, OutputArray saliencyMap )
+bool MotionSaliencyBinWangApr2014::computeSaliencyImpl( InputArray image, OutputArray saliencyMap )
 {
   Mat highResBFMask;
   Mat lowResBFMask;
diff --git a/modules/saliency/src/saliency.cpp b/modules/saliency/src/saliency.cpp
index 5e86f46df..1c74f2c4e 100644
--- a/modules/saliency/src/saliency.cpp
+++ b/modules/saliency/src/saliency.cpp
@@ -62,7 +62,7 @@ Ptr<Saliency> Saliency::create( const String& saliencyType )
     return Ptr<Saliency>();
 }
 
-bool Saliency::computeSaliency( const InputArray image, OutputArray saliencyMap )
+bool Saliency::computeSaliency( InputArray image, OutputArray saliencyMap )
 {
   if( image.empty() )
     return false;
diff --git a/modules/saliency/src/staticSaliencySpectralResidual.cpp b/modules/saliency/src/staticSaliencySpectralResidual.cpp
index 78deea9cc..55c82723a 100644
--- a/modules/saliency/src/staticSaliencySpectralResidual.cpp
+++ b/modules/saliency/src/staticSaliencySpectralResidual.cpp
@@ -73,7 +73,7 @@ void StaticSaliencySpectralResidual::write( cv::FileStorage& /*fs*/) const
   //params.write( fs );
 }
 
-bool StaticSaliencySpectralResidual::computeSaliencyImpl( const InputArray image, OutputArray saliencyMap )
+bool StaticSaliencySpectralResidual::computeSaliencyImpl( InputArray image, OutputArray saliencyMap )
 {
   Mat grayTemp, grayDown;
   std::vector<Mat> mv;
diff --git a/modules/xfeatures2d/test/test_features2d.cpp b/modules/xfeatures2d/test/test_features2d.cpp
index 303274efa..bbf05124b 100644
--- a/modules/xfeatures2d/test/test_features2d.cpp
+++ b/modules/xfeatures2d/test/test_features2d.cpp
@@ -1240,3 +1240,31 @@ TEST(DISABLED_Features2d_SURF_using_mask, regression)
     FeatureDetectorUsingMaskTest test(SURF::create());
     test.safe_run();
 }
+
+TEST( XFeatures2d_DescriptorExtractor, batch )
+{
+    string path = string(cvtest::TS::ptr()->get_data_path() + "detectors_descriptors_evaluation/images_datasets/graf");
+    vector<Mat> imgs, descriptors;
+    vector<vector<KeyPoint> > keypoints;
+    int i, n = 6;
+    Ptr<SIFT> sift = SIFT::create();
+
+    for( i = 0; i < n; i++ )
+    {
+        string imgname = format("%s/img%d.png", path.c_str(), i+1);
+        Mat img = imread(imgname, 0);
+        imgs.push_back(img);
+    }
+
+    sift->detect(imgs, keypoints);
+    sift->compute(imgs, keypoints, descriptors);
+
+    ASSERT_EQ((int)keypoints.size(), n);
+    ASSERT_EQ((int)descriptors.size(), n);
+
+    for( i = 0; i < n; i++ )
+    {
+        EXPECT_GT((int)keypoints[i].size(), 100);
+        EXPECT_GT(descriptors[i].rows, 100);
+    }
+}