Drop cv:: prefix from cv::String used inside the cv namespace

modules/video/src/bgfg_gaussmix.cpp

@@ -150,7 +150,7 @@ public:
 
     virtual void read(const FileNode& fn)
     {
-        CV_Assert( (cv::String)fn["name"] == name_ );
+        CV_Assert( (String)fn["name"] == name_ );
         history = (int)fn["history"];
         nmixtures = (int)fn["nmixtures"];
         backgroundRatio = (double)fn["backgroundRatio"];
@@ -167,7 +167,7 @@ protected:
     double varThreshold;
     double backgroundRatio;
     double noiseSigma;
-    cv::String name_;
+    String name_;
 };
 
 

modules/video/src/bgfg_gaussmix2.cpp

@@ -251,7 +251,7 @@ public:
 
     virtual void read(const FileNode& fn)
     {
-        CV_Assert( (cv::String)fn["name"] == name_ );
+        CV_Assert( (String)fn["name"] == name_ );
         history = (int)fn["history"];
         nmixtures = (int)fn["nmixtures"];
         backgroundRatio = (float)fn["backgroundRatio"];
@@ -320,7 +320,7 @@ protected:
     //Tau= 0.5 means that if pixel is more than 2 times darker then it is not shadow
     //See: Prati,Mikic,Trivedi,Cucchiarra,"Detecting Moving Shadows...",IEEE PAMI,2003.
 
-    cv::String name_;
+    String name_;
 };
 
 struct GaussBGStatModel2Params

modules/video/src/bgfg_gmg.cpp

@@ -152,7 +152,7 @@ public:
 
     virtual void read(const FileNode& fn)
     {
-        CV_Assert( (cv::String)fn["name"] == name_ );
+        CV_Assert( (String)fn["name"] == name_ );
         maxFeatures = (int)fn["maxFeatures"];
         learningRate = (double)fn["defaultLearningRate"];
         numInitializationFrames = (int)fn["numFrames"];
@@ -189,7 +189,7 @@ private:
     Size frameSize_;
     int frameNum_;
 
-    cv::String name_;
+    String name_;
 
     Mat_<int> nfeatures_;
     Mat_<unsigned int> colors_;