Error   1   error C2065: 'IplImage' : undeclared identifier c:\users\ayesha\documents\visual studio 2010\projects\abc\abc\Form1.h   130 1   abc
Error   2   error C3861: 'cvLoadImage': identifier not found    c:\users\ayesha\documents\visual studio 2010\projects\abc\abc\Form1.h   130 1   abc
 
pragma once
 
include "highgui.h"
 
include <opencv2 imgproc="" imgproc.hpp=""> abc

#pragma once
#include "highgui.h"
#include <opencv2/imgproc/imgproc.hpp>  // Gaussian Blur
 
include <opencv2 core="" core.hpp=""> Blur
#include <opencv2/core/core.hpp>        // Basic OpenCV structures (cv::Mat, Scalar)
 
include <opencv2 highgui="" highgui.hpp="">
 
Scalar)
#include <opencv2/highgui/highgui.hpp>

namespace abc {
 
{

    using namespace System;
 using namespace System::ComponentModel;
 using namespace System::Collections;
 using namespace System::Windows::Forms;
 using namespace System::Data;
 using namespace System::Drawing;
 using namespace System::IO;


 /// <summary>
 /// Summary for Form1
 /// </summary>
 public ref class Form1 : public System::Windows::Forms::Form
 {
 public:
     Form1(void)
     {
         InitializeComponent();
         //
         //TODO: Add the constructor code here
         //
     }

     protected:
     /// <summary>
     /// Clean up any resources being used.
     /// </summary>
     ~Form1()
     {
         if (components)
         {
             delete components;
         }
     }
     private: System::Windows::Forms::Button^  button1;
 private: System::Windows::Forms::TextBox^  path;
 private: System::Windows::Forms::Button^  summary;
 protected: 


     private:
     /// <summary>
     /// Required designer variable.
     /// </summary>
     System::ComponentModel::Container ^components;

     #pragma region Windows Form Designer generated code
     /// <summary>
     /// Required method for Designer support - do not modify
     /// the contents of this method with the code editor.
     /// </summary>
     void InitializeComponent(void)
     {
         this->button1 = (gcnew System::Windows::Forms::Button());
         this->path = (gcnew System::Windows::Forms::TextBox());
         this->summary = (gcnew System::Windows::Forms::Button());
         this->SuspendLayout();
        // 
    // 
            // button1
        // 
    // 
            this->button1->Location = System::Drawing::Point(392, 68);
         this->button1->Name = L"button1";
         this->button1->Size = System::Drawing::Size(75, 23);
         this->button1->TabIndex = 0;
         this->button1->Text = L"browse";
         this->button1->UseVisualStyleBackColor = true;
         this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
        // 
    // 
            // path
        // 
    // 
            this->path->Location = System::Drawing::Point(23, 68);
         this->path->Name = L"path";
         this->path->Size = System::Drawing::Size(304, 20);
         this->path->TabIndex = 1;
        // 
    // 
            // summary
        // 
    // 
            this->summary->Location = System::Drawing::Point(153, 156);
         this->summary->Name = L"summary";
         this->summary->Size = System::Drawing::Size(159, 27);
         this->summary->TabIndex = 2;
         this->summary->Text = L"summaize video";
         this->summary->UseVisualStyleBackColor = true;
         this->summary->Click += gcnew System::EventHandler(this, &Form1::summary_Click);
        // 
    // 
            // Form1
        // 
    // 
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
         this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
         this->ClientSize = System::Drawing::Size(568, 262);
         this->Controls->Add(this->summary);
         this->Controls->Add(this->path);
         this->Controls->Add(this->button1);
         this->Name = L"Form1";
         this->Text = L"Form1";
         this->ResumeLayout(false);
         this->PerformLayout();

     }
 
pragma endregion
 
#pragma endregion
    private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
     Stream^ myStream;
     OpenFileDialog^ openFileDialog1 = gcnew OpenFileDialog;

     openFileDialog1->InitialDirectory = "c:\\";
     openFileDialog1->Filter = "txt files (*.avi)|*.avi|All files (*.*)|*.*";
     openFileDialog1->FilterIndex = 2;
     openFileDialog1->RestoreDirectory = true;

     if ( openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK )
     {
         if ( (myStream = openFileDialog1->OpenFile()) != nullptr )
         {
             path->Text = Convert::ToString(openFileDialog1->FileName);

             // Insert code to read the stream here.
             String ^ temp = "you have successfully browsed a video";
             System::Windows::Forms::MessageBox::Show(temp);

             myStream->Close();
         }
     }
 }
 
private: System::Void summary_Click(System::Object^  sender, System::EventArgs^  e) {
            // Set up images
    IplImage* img = cvLoadImage("MGC.jpg");
    IplImage* back_img = cvCreateImage( cvGetSize( img ), IPL_DEPTH_8U, 1 );
 
);

    // Compute HSV image and separate into colors
 IplImage* hsv = cvCreateImage( cvGetSize(img), IPL_DEPTH_8U, 3 );
 cv:cvCvtColor( img, hsv, CV_BGR2HSV );

 IplImage* h_plane = cv::cvCreateImage( cvGetSize( img ), 8, 1 );
 IplImage* s_plane = cv::cvCreateImage( cvGetSize( img ), 8, 1 );
 IplImage* v_plane = cv::cvCreateImage( cvGetSize( img ), 8, 1 );
 IplImage* planes[] = { h_plane, s_plane };
 cvCvtPixToPlane( hsv, h_plane, s_plane, v_plane, 0 );

 // Build and fill the histogram
 int h_bins = 30, s_bins = 32;
 CvHistogram* hist;
 {
     int hist_size[] = { h_bins, s_bins };
     float h_ranges[] = { 0, 180 };
     float s_ranges[] = { 0, 255 };
     float* ranges[] = { h_ranges, s_ranges };
     hist = cvCreateHist( 2, hist_size, CV_HIST_ARRAY, ranges, 1 );
 }
 cvCalcHist( planes, hist, 0, 0 ); // Compute histogram
 cvNormalizeHist( hist, 20*255 ); // Normalize it

 cvCalcBackProject( planes, back_img, hist );// Calculate back projection
 cvNormalizeHist( hist, 1.0 ); // Normalize it



 // Create an image to visualize the histogram
 int scale = 10;
 IplImage* hist_img = cvCreateImage( cvSize( h_bins * scale, s_bins * scale ), 8, 3 );
 cvZero ( hist_img );

 // populate the visualization
 float max_value = 0;
 cvGetMinMaxHistValue( hist, 0, &max_value, 0, 0 );

 for( int h = 0; h < h_bins; h++ ){
     for( int s = 0; s < s_bins; s++ ){
         float bin_val = cvQueryHistValue_2D( hist, h, s );
         int intensity = cvRound( bin_val * 255 / max_value );
         cvRectangle( hist_img, cvPoint( h*scale, s*scale ),
                     cvPoint( (h+1)*scale - 1, (s+1)*scale - 1 ),
                     CV_RGB( intensity, intensity, intensity ),
                     CV_FILLED );
     }
 }

 // Show original
 cvNamedWindow( "Source", 1) ;
 cvShowImage( "Source", img );

 // Show back projection
 cvNamedWindow( "Back Projection", 1) ;
 cvShowImage( "Back Projection", back_img );

 // Show histogram equalized
 cvNamedWindow( "H-S Histogram", 1) ;
 cvShowImage( "H-S Histogram", hist_img );

 cvWaitKey(0);

 cvReleaseImage( &img );
 cvReleaseImage( &back_img );
 cvReleaseImage( &hist_img );

         }
};
}
  
};
}