diff --git a/src/FaceRecognizer.cc b/src/FaceRecognizer.cc
index 3393aed..47b5583 100644
--- a/src/FaceRecognizer.cc
+++ b/src/FaceRecognizer.cc
@@ -5,7 +5,15 @@
 #include "Matrix.h"
 #include <nan.h>
 
-#if CV_MAJOR_VERSION >= 3
+#if CV_MAJOR_VERSION < 3
+#elif CV_MINOR_VERSION < 3
+namespace cv {
+  using std::vector;
+  using cv::face::createEigenFaceRecognizer;
+  using cv::face::createFisherFaceRecognizer;
+  using cv::face::createLBPHFaceRecognizer;
+}
+#else // version 3.3 and higher
 namespace cv {
   using std::vector;
   using cv::face::EigenFaceRecognizer;
@@ -68,7 +76,11 @@ NAN_METHOD(FaceRecognizerWrap::New) {
   }
 
   // By default initialize LBPH
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3
   cv::Ptr<cv::FaceRecognizer> f = cv::LBPHFaceRecognizer::create(1, 8, 8, 8, 80.0);
+#else 
+  cv::Ptr<cv::FaceRecognizer> f = cv::createLBPHFaceRecognizer(1, 8, 8, 8, 80.0);
+#endif
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, LBPH);
 
   pt->Wrap(info.This());
@@ -91,8 +103,11 @@ NAN_METHOD(FaceRecognizerWrap::CreateLBPH) {
   DOUBLE_FROM_ARGS(threshold, 4)
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
-  cv::Ptr<cv::FaceRecognizer> f = cv::LBPHFaceRecognizer::create(radius,
-      neighbors, grid_x, grid_y, threshold);
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3
+  cv::Ptr<cv::FaceRecognizer> f = cv::LBPHFaceRecognizer::create(radius, neighbors, grid_x, grid_y, threshold);
+#else 
+  cv::Ptr<cv::FaceRecognizer> f = cv::createLBPHFaceRecognizer(radius, neighbors, grid_x, grid_y, threshold);
+#endif
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, LBPH);
   pt->Wrap(n);
 
@@ -109,8 +124,11 @@ NAN_METHOD(FaceRecognizerWrap::CreateEigen) {
   DOUBLE_FROM_ARGS(threshold, 1)
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
-  cv::Ptr<cv::FaceRecognizer> f = cv::EigenFaceRecognizer::create(components,
-      threshold);
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3
+  cv::Ptr<cv::FaceRecognizer> f = cv::EigenFaceRecognizer::create(components, threshold);
+#else
+  cv::Ptr<cv::FaceRecognizer> f = cv::createEigenFaceRecognizer(components, threshold);
+#endif
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, EIGEN);
   pt->Wrap(n);
 
@@ -127,9 +145,11 @@ NAN_METHOD(FaceRecognizerWrap::CreateFisher) {
   DOUBLE_FROM_ARGS(threshold, 1)
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
-
-  cv::Ptr<cv::FaceRecognizer> f = cv::FisherFaceRecognizer::create(components,
-      threshold);
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3
+  cv::Ptr<cv::FaceRecognizer> f = cv::FisherFaceRecognizer::create(components, threshold);
+#else
+  cv::Ptr<cv::FaceRecognizer> f = cv::createFisherFaceRecognizer(components, threshold);
+#endif
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, FISHER);
   pt->Wrap(n);
 
@@ -378,7 +398,11 @@ NAN_METHOD(FaceRecognizerWrap::SaveSync) {
     JSTHROW("Save takes a filename")
   }
   std::string filename = std::string(*Nan::Utf8String(info[0]->ToString()));
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3
   self->rec->write(filename);
+#else
+  self->rec->save(filename);
+#endif
   return;
 }
 
@@ -388,7 +412,11 @@ NAN_METHOD(FaceRecognizerWrap::LoadSync) {
     JSTHROW("Load takes a filename")
   }
   std::string filename = std::string(*Nan::Utf8String(info[0]->ToString()));
+#if CV_MAJOR_VERSION >= 3  && CV_MINOR_VERSION >= 3  
   self->rec->read(filename);
+#else
+  self->rec->load(filename);
+#endif  
   return;
 }
 
diff --git a/src/HighGUI.cc b/src/HighGUI.cc
index 139fe94..4126c69 100644
--- a/src/HighGUI.cc
+++ b/src/HighGUI.cc
@@ -19,6 +19,7 @@ void NamedWindow::Init(Local<Object> target) {
   Nan::SetPrototypeMethod(ctor, "show", Show);
   Nan::SetPrototypeMethod(ctor, "destroy", Destroy);
   Nan::SetPrototypeMethod(ctor, "blockingWaitKey", BlockingWaitKey);
+  Nan::SetPrototypeMethod(ctor, "resizeWindow", ResizeWindow);
 
   target->Set(Nan::New("NamedWindow").ToLocalChecked(), ctor->GetFunction());
 };
@@ -34,7 +35,8 @@ NAN_METHOD(NamedWindow::New) {
   if (info.Length() == 1) {
     win = new NamedWindow(std::string(*Nan::Utf8String(info[0]->ToString())), 0);
   } else {  //if (info.Length() == 2){
-    win = new NamedWindow(std::string(*Nan::Utf8String(info[0]->ToString())), 0);
+    win = new NamedWindow(std::string(*Nan::Utf8String(info[0]->ToString())), 
+            info[1]->IntegerValue());
   }
 
   win->Wrap(info.Holder());
@@ -68,8 +70,6 @@ NAN_METHOD(NamedWindow::Destroy) {
 }
 
 NAN_METHOD(NamedWindow::BlockingWaitKey) {
-  Nan::HandleScope scope;
-  //SETUP_FUNCTION(NamedWindow)
   int time = 0;
 
   if (info.Length() > 1) {
@@ -85,4 +85,16 @@ NAN_METHOD(NamedWindow::BlockingWaitKey) {
   info.GetReturnValue().Set(Nan::New<Number>(res));
 }
 
+NAN_METHOD(NamedWindow::ResizeWindow) {
+  SETUP_FUNCTION(NamedWindow)
+  
+  if (info.Length() != 2) {
+    throw "expected 2 argurments: width, height";
+  }//otherwise
+
+  int width = info[0]->IntegerValue();
+  int height = info[1]->IntegerValue();
+  cv::resizeWindow(self->winname, width, height);
+}
+
 #endif
diff --git a/src/HighGUI.h b/src/HighGUI.h
index 3994892..7b18116 100644
--- a/src/HighGUI.h
+++ b/src/HighGUI.h
@@ -16,6 +16,7 @@ public:
   JSFUNC(Show)
   ;JSFUNC(Destroy)
   ;JSFUNC(BlockingWaitKey)
+  ;JSFUNC(ResizeWindow)
   ;
 
 };