facedlg.cpp

基于Opencv与VC环境的视频采集图像滤波与角点检测运动跟踪

// faceDlg.cpp : implementation file
//

#include "stdafx.h"
#include "face.h"
#include "faceDlg.h"

#include "cv.h"
#include "highgui.h"
#include "cvcam.h"

#define max_corners 100


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//全局变量
IplImage *image=NULL,*hsv=NULL,*hue=NULL,*mask=NULL,*backproject=NULL,*histimg=NULL;
CvHistogram *hist=NULL;
int vmin=10,vmax=256,smin=30;
int backproject_mode=0,select_object=0,track_object=0,show_hist=1;
int hdims=50;
float hranges_arr[]={0,180};
float *hranges=hranges_arr;

CvPoint origin;
CvRect selection,track_window;
CvBox2D track_box;
CvConnectedComp track_comp;



/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFaceDlg dialog

CFaceDlg::CFaceDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFaceDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFaceDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFaceDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFaceDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFaceDlg, CDialog)
	//{{AFX_MSG_MAP(CFaceDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_INIT, OnInit)
	ON_BN_CLICKED(IDC_BUTTON1, OnVideoCap)
	ON_BN_CLICKED(IDC_BUTTON2, OnMoveCheck)
	ON_BN_CLICKED(IDC_BUTTON3, OnObjectTrack)
	ON_BN_CLICKED(IDC_BUTTON4, OnHistImg)
	ON_BN_CLICKED(IDC_BUTTON5, OnWriterVideo)
	ON_BN_CLICKED(IDC_BUTTON6, OnCapture)
	ON_BN_CLICKED(IDC_BUTTON7, OnCornerDetect)
	ON_BN_CLICKED(IDC_BUTTON8, OnFilterImage)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFaceDlg message handlers

BOOL CFaceDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here

	if(cvTestInit())   //初始化OPENCV 的xml数据库
		return TRUE;
		//MessageBox("haar xml loaded!","opencv",MB_OK);
	else
		return FALSE;
		//MessageBox("loaded haar xml error!","opencv",MB_OK);


	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CFaceDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CFaceDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CFaceDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}



void CFaceDlg::OnOK() 
{
	// TODO: Add extra validation here
	cvTest();
}

void CFaceDlg::OnInit() 
{
	// TODO: Add your control notification handler code here
	if(cvTestInit())
		MessageBox("haar xml loaded!","opencv",MB_OK);
	else
		MessageBox("loaded haar xml error!","opencv",MB_OK);
}

void CFaceDlg::OnVideoCap() 
{
	// TODO: Add your control notification handler code here
	VideoCap();
	 
}

void CFaceDlg::OnMoveCheck() //运动目标检测
{
	// TODO: Add your control notification handler code here
    IplImage* pFrame=NULL;
	IplImage* pFrImg=NULL;
	IplImage* pBkImg=NULL;
	CvMat* pFrameMat=NULL;
	CvMat* pFrMat=NULL;
	CvMat* pBkMat=NULL;
	CvCapture* pCapture=NULL;
	CString sm_filename; 
	CFileDialog   dlg(true);
	
	int nFrmNum=0;	

	//创建窗口
	cvNamedWindow("video",1);
	cvNamedWindow("background",1);
	cvNamedWindow("foreground",1);
	//使窗口有序排列
	cvMoveWindow("video",30,20);
	cvMoveWindow("background",360,20);
	cvMoveWindow("foreground",690,20);
	dlg.DoModal();
	sm_filename = dlg.GetPathName();
	if(sm_filename=="") return;
	pCapture=cvCaptureFromAVI(sm_filename);
	//逐帧读取视频
	while(pFrame=cvQueryFrame(pCapture))
	{
		nFrmNum++;
		//如果是第一帧，需要申请内存，并初始化
		if(nFrmNum==1)
		{
			pBkImg=cvCreateImage(cvSize(pFrame->width,pFrame->height),IPL_DEPTH_8U,1);
			pFrImg=cvCreateImage(cvSize(pFrame->width,pFrame->height),IPL_DEPTH_8U,1);

			pBkMat=cvCreateMat(pFrame->height,pFrame->width,CV_32FC1);
			pFrMat=cvCreateMat(pFrame->height,pFrame->width,CV_32FC1);
			pFrameMat=cvCreateMat(pFrame->height,pFrame->width,CV_32FC1);

			//转换成单通道图像再处理
			cvCvtColor(pFrame,pBkImg,CV_BGR2GRAY);
			cvCvtColor(pFrame,pFrImg,CV_BGR2GRAY);

			cvConvert(pFrImg,pFrameMat);
			cvConvert(pFrImg,pFrMat);
			cvConvert(pFrImg,pBkMat);
			cvFlip(pBkMat,pBkMat,0);//把数组绕x轴翻转,书上没有的


		}
		else
		{
			cvCvtColor(pFrame,pFrImg,CV_BGR2GRAY);
			cvConvert(pFrImg,pFrameMat);

			cvFlip(pFrameMat,pFrameMat,0);//把数组绕x轴翻转
			//先做高斯滤波，以平滑图像
			cvSmooth(pFrameMat,pFrameMat,CV_GAUSSIAN,3,0,0);

			//当前帧与背景图相减
			cvAbsDiff(pFrameMat,pBkMat,pFrMat);
			//二值化前景图
			cvThreshold(pFrMat,pFrImg,60,255.0,CV_THRESH_BINARY);
			//进行形态学滤波，去掉噪声
			cvErode(pFrImg,pFrImg,0,1);  //腐蚀
			cvDilate(pFrImg,pFrImg,0,1);  //膨胀 
			
			//更新背景
			//cvFlip(pFrameMat,pFrameMat);
			cvRunningAvg(pFrameMat,pBkMat,0.005,0);
			//将背景转换为图像格式，用于显示			
			cvConvert(pBkMat,pBkImg);

			//显示图像
			cvShowImage("video",pFrame);
			cvShowImage("background",pBkImg);
			cvShowImage("foreground",pFrImg);
			//如果有按键发生，则跳出循环
			//此等待也为cvShowImage函数提供时间完成显示，等待时间可以根据CPU速度调整
			//cvWaitKey(15);
			if(cvWaitKey(5)>=0)
				break;
		}  //end of if-else
	}      //end of while-loop
	//销毁窗口
	cvDestroyWindow("video");
	cvDestroyWindow("background");
	cvDestroyWindow("foreground");

	//释放图像和矩阵
	cvReleaseImage(&pFrImg);
	cvReleaseImage(&pBkImg);

	cvReleaseMat(&pFrameMat);
	cvReleaseMat(&pFrMat);
	cvReleaseMat(&pBkMat);

}

void On_Mouse( int event, int x, int y, int flags, void* param )
{
    if( !image )
        return;

    if( image->origin )
        y = image->height - y;

    if( select_object )
    {
        selection.x = MIN(x,origin.x);
        selection.y = MIN(y,origin.y);
        selection.width = selection.x + CV_IABS(x - origin.x);
        selection.height = selection.y + CV_IABS(y - origin.y);
        
        selection.x = MAX( selection.x, 0 );
        selection.y = MAX( selection.y, 0 );
        selection.width = MIN( selection.width, image->width );
        selection.height = MIN( selection.height, image->height );
        selection.width -= selection.x;
        selection.height -= selection.y;
    }

    switch( event )
    {
    case CV_EVENT_LBUTTONDOWN:
        origin = cvPoint(x,y);
        selection = cvRect(x,y,0,0);
        select_object = 1;
        break;
    case CV_EVENT_LBUTTONUP:
        select_object = 0;
        if( selection.width > 0 && selection.height > 0 )
            track_object = -1;
        break;
    }
}

CvScalar hsv2rgb(float hue)
{
	int rgb[3],p,sector;
	static const int sector_data[][3]={{0,2,1},{1,2,0},{1,0,2},{2,0,1},{2,1,0},{0,1,2}};
	hue*=0.0333333333333333333f;
	sector=cvFloor(hue);
	p=cvRound(255*(hue-sector));
	p^=sector&1?255:0;