opencvbase 实现opencv打开摄像头和初步处理等效果操作(附源码)
// TwoCameraOnTimer2Dlg.cpp : 实现文件 /* CvMat, Mat, IplImage之间的互相转换 IpIImage -> CvMat CvMat matheader; CvMat * mat = cvGetMat(img, &matheader); CvMat * mat = cvCreateMat(img->height, img->width, CV_64FC3); cvConvert(img, mat) IplImage -> Mat Mat::Mat(const IplImage* img, bool copyData=false); IplImage* iplImg = cvLoadImage("greatwave.jpg", 1); Mat mtx(iplImg); Mat -> IplImage Mat M IplImage iplimage = M; CvMat -> Mat Mat::Mat(const CvMat* m, bool copyData=false); Mat -> CvMat 例子(假设Mat类型的imgMat图像数据存在): CvMat cvMat = imgMat; */ #include "stdafx.h" #include "TwoCameraOnTimer2.h" #include "TwoCameraOnTimer2Dlg.h" #include "afxdialogex.h" #include <opencv/cv.h> #include <opencv/highgui.h> #ifdef _DEBUG #define new DEBUG_NEW #endif // 用于应用程序“关于”菜单项的 CAboutDlg 对话框 class CAboutDlg : public CDialogEx { public: CAboutDlg(); // 对话框数据 enum { IDD = IDD_ABOUTBOX }; protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持 // 实现 protected: DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD) { } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx) END_MESSAGE_MAP() // CTwoCameraOnTimer2Dlg 对话框 CTwoCameraOnTimer2Dlg::CTwoCameraOnTimer2Dlg(CWnd* pParent /*=NULL*/) : CDialogEx(CTwoCameraOnTimer2Dlg::IDD, pParent) , m_nCamCount(0) , m_nLeftCamCount(0) , m_nRightCamCount(0) , m_nRAD_SELECT(0) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CTwoCameraOnTimer2Dlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX); DDX_Control(pDX, IDC_COMBO1, m_CBNCamList); // DDX_Control(pDX, IDC_IMG_LOGO, m_imglogo); } BEGIN_MESSAGE_MAP(CTwoCameraOnTimer2Dlg, CDialogEx) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BTN_OPENCAM, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam) ON_CBN_SELCHANGE(IDC_COMBO1, &CTwoCameraOnTimer2Dlg::OnCbnSelchangeCombo1) ON_WM_TIMER() ON_BN_CLICKED(IDC_BTN_CLOSECAM, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnClosecam) ON_BN_CLICKED(IDC_BTN_CAPTURE, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnCapture) ON_BN_CLICKED(IDC_BTN_SAVE, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnSave) ON_BN_CLICKED(IDC_BTN_MIRROR, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnMirror) ON_BN_CLICKED(IDC_BTN_MIRROR2, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnMirror2) ON_BN_CLICKED(IDC_BTN_ROTATE, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnRotate) ON_BN_CLICKED(IDC_BTN_PRINT, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnPrint) ON_WM_DESTROY() ON_BN_CLICKED(IDC_BTN_OPENCAM3, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam3) ON_BN_CLICKED(IDC_BTN_SOBEL, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnSobel) ON_BN_CLICKED(IDC_BTN_EMPTY, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnEmpty) ON_BN_CLICKED(IDC_BTN_CANNY, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnCanny) ON_BN_CLICKED(IDC_BTN_BLACK, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnBlack) ON_BN_CLICKED(IDC_BTN_OPENCAM2, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam2) ON_BN_CLICKED(IDC_BTN_BIN, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnBin) ON_BN_CLICKED(IDC_BTN_PREWITTE, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnPrewitte) ON_BN_CLICKED(IDC_BTN_AUTOBIN, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnAutobin) ON_BN_CLICKED(IDC_BTN_LOG, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnLog) ON_BN_CLICKED(IDC_BTN_HIST, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnHist) ON_BN_CLICKED(IDC_BTN_WATER, &CTwoCameraOnTimer2Dlg::OnBnClickedBtnWater) END_MESSAGE_MAP() // CTwoCameraOnTimer2Dlg 消息处理程序 BOOL CTwoCameraOnTimer2Dlg::OnInitDialog() { CDialogEx::OnInitDialog(); // 将“关于...”菜单项添加到系统菜单中。 // IDM_ABOUTBOX 必须在系统命令范围内。 ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { BOOL bNameValid; CString strAboutMenu; bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX); ASSERT(bNameValid); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // 设置此对话框的图标。当应用程序主窗口不是对话框时,框架将自动 // 执行此操作 SetIcon(m_hIcon, TRUE); // 设置大图标 SetIcon(m_hIcon, FALSE); // 设置小图标 // TODO: 在此添加额外的初始化代码 //设置logo m_nCamCount = CCameraDS::CameraCount();//摄像头总数 m_nLeftCamCount = 1;//左边摄像头默认为1 m_nRightCamCount = 0;//右边摄像头默认为0 //在listbox中添加数据 char camera_name[1024]; char istr[25]; CString camstr; for(int i=0; i < m_nCamCount; i++) { int retval = CCameraDS::CameraName(i, camera_name, sizeof(camera_name) ); sprintf_s(istr, " # %d", i); strcat_s( camera_name, istr ); camstr = camera_name; if(retval >0) m_CBNCamList.AddString(camstr); else AfxMessageBox(_T("不能获取摄像头的名称")); } camstr.ReleaseBuffer(); // 初始化图像显示控件的图像 CRect rect; GetDlgItem(IDC_PBRIGHT)->GetClientRect(&rect); m_lfimage = Mat::zeros(rect.Height(),rect.Width(),CV_8UC3); GetDlgItem(IDC_PBRIGHT)->GetClientRect(&rect); m_rightimage = Mat::zeros(rect.Height(),rect.Width(),CV_8UC3); return TRUE; // 除非将焦点设置到控件,否则返回 TRUE } void CTwoCameraOnTimer2Dlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialogEx::OnSysCommand(nID, lParam); } } // 如果向对话框添加最小化按钮,则需要下面的代码 // 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序, // 这将由框架自动完成。 void CTwoCameraOnTimer2Dlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // 用于绘制的设备上下文 SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0); // 使图标在工作区矩形中居中 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; // 绘制图标 dc.DrawIcon(x, y, m_hIcon); } else { CDialogEx::OnPaint(); } //绘制logo CString fileName="1.png"; std::string str = fileName; Mat mat = imread(str); F_ShowImage(mat,mat,IDC_IMG_LOGO);//打开并写入m_rightimage } //当用户拖动最小化窗口时系统调用此函数取得光标 //显示。 HCURSOR CTwoCameraOnTimer2Dlg::OnQueryDragIcon() { return static_cast<HCURSOR>(m_hIcon); } //打开摄像头 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam() { if (!leftcam.open(m_nLeftCamCount)) { AfxMessageBox(_T("摄像头打开失败")); } else { AfxMessageBox(_T("摄像头打开成功")); QueryCam();//开始摄像头 } // if (m_nCamCount>=1) // { // //如果两个摄像头的开启号是不一样的 // if (m_nLeftCamCount != m_nRightCamCount) // { // if (!leftcam.open(m_nLeftCamCount)) // { // AfxMessageBox(_T("左摄像头打开失败")); // } // // if (!rightcam.open(m_nRightCamCount)) // { // AfxMessageBox(_T("右摄像头打开失败")); // } // // QueryCam();//开始摄像头 // } // else // { // AfxMessageBox(_T("两个摄像头不能设定的一样")); // } // } // else // { // AfxMessageBox(_T("请确认至少有一个摄像头连上了")); // } } void CTwoCameraOnTimer2Dlg::OnCbnSelchangeCombo1() { // TODO: 在此添加控件通知处理程序代码 // m_nRAD_SELECT = GetCheckedRadioButton(IDC_RADIOLEFT,IDC_PBRIGHT); // if (m_nRAD_SELECT == IDC_RADIOLEFT) // { m_nLeftCamCount = m_CBNCamList.GetCurSel(); // } // else // { // m_nRightCamCount = m_CBNCamList.GetCurSel(); // } } //打开timer,开始摄像头捕捉 void CTwoCameraOnTimer2Dlg::QueryCam(void) { SetTimer(1,50,NULL);//采用timer触发,进行摄像头操作 } void CTwoCameraOnTimer2Dlg::OnTimer(UINT_PTR nIDEvent) { // TODO: 在此添加消息处理程序代码和/或调用默认值 if (leftcam.isOpened()) { Mat leftframe; leftcam >>leftframe; F_ShowImage(leftframe,m_lfimage,IDC_PBLEFT); } F_ShowImage(m_rightimage,m_rightimage,IDC_PBRIGHT); // if (rightcam.isOpened()) // { // Mat rightframe; // rightcam>>rightframe; // F_ShowImage(rightframe,m_rightimage,IDC_PBRIGHT); // } CDialogEx::OnTimer(nIDEvent); } /*---------------------------- * 功能 : 显示图像 * 将要绘制的图像 src 复制到 des,然后绘制到控件号为 ID 的 Picture 控件 *---------------------------- * 函数 : CStereoVisionDlg::F_ShowImage * 访问 : private * 返回 : void * * 参数 : src [in] 待显示图像 * 参数 : des [in] 窗口图像 * 参数 : ID [in] 图像窗口控件ID */ void CTwoCameraOnTimer2Dlg::F_ShowImage(Mat& src, Mat& des, UINT ID) { if (src.empty()) { return; } // 计算将图片缩放到 Image 区域所需的比例因子 double wRatio = des.cols / (double)src.cols; double hRatio = des.rows / (double)src.rows; double srcWH = src.cols / (double)src.rows; double desWH = des.cols / (double)des.rows; double scale = srcWH > desWH ? wRatio : hRatio; // 缩放后图片的宽和高 int nw = (int)( src.cols * scale ); int nh = (int)( src.rows * scale ); // 为了将缩放后的图片存入 des 的正中部位,需计算图片在 des 左上角的期望坐标值 int tlx = (int)((des.cols - nw) / 2); int tly = (int)((des.rows - nh) / 2); // 设置 des 的 ROI 区域,用来存入图片 img Mat desRoi = des(Rect(tlx, tly, nw, nh)); // 如果src是单通道图像,则转换为三通道图像 if (src.channels() == 1) { Mat src_c; cvtColor(src, src_c, CV_GRAY2BGR); // 对图片 src_t 进行缩放,并存入到 des 中 resize(src_c, desRoi, desRoi.size()); } else { // 对图片 src 进行缩放,并存入到 des 中 resize( src, desRoi, desRoi.size() ); } CDC* pDC = GetDlgItem( ID ) ->GetDC(); // 获得显示控件的 DC HDC hDC = pDC ->GetSafeHdc(); // 获取 HDC(设备句柄) 来进行绘图操作 CRect rect; GetDlgItem(ID) ->GetClientRect( &rect ); // 获取控件尺寸位置 CvvImage cimg; IplImage cpy = des; cimg.CopyOf( &cpy ); // 复制图片 cimg.DrawToHDC( hDC, &rect ); // 将图片绘制到显示控件的指定区域内 ReleaseDC( pDC ); } //关闭摄像头 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnClosecam() { KillTimer(1); if (leftcam.isOpened()) { m_lfimage = Scalar(0); F_ShowImage(m_lfimage,m_lfimage,IDC_PBLEFT); leftcam.release(); AfxMessageBox(_T("摄像头关闭成功")); } // if (rightcam.isOpened()) // { // m_rightimage = Scalar(0); // F_ShowImage(m_rightimage,m_rightimage,IDC_PBRIGHT); // rightcam.release(); // } } //截获当前画面 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnCapture() { // TODO: 在此添加控件通知处理程序代码 m_rightimage = NULL; Mat rightframe; leftcam >>rightframe; F_ShowImage(rightframe,m_rightimage,IDC_PBRIGHT); } //保存当前画面 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnSave() { // TODO: 在此添加控件通知处理程序代码 // Mat rightframe; // leftcam >>rightfram IplImage iplimage =m_lfimage; //打开保存界面,获得保存的地址 CString fileName; CString szFilters="jpg(*.jpg)|*.jpg||"; CFileDialog dlgFile(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szFilters,NULL,0,TRUE); const int c_cMaxFiles = 100; const int c_cbBuffSize = (c_cMaxFiles * (MAX_PATH + 1)) + 1; dlgFile.GetOFN().lpstrFile = fileName.GetBuffer(c_cbBuffSize); dlgFile.GetOFN().nMaxFile = c_cMaxFiles; dlgFile.DoModal(); fileName.ReleaseBuffer(); fileName = fileName+".jpg";//加个后缀名 int i = cvSaveImage(fileName,&iplimage); if (i!=0) { AfxMessageBox(_T("文件保存成功")); } } //镜像1 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnMirror() { IplImage iplimage =m_rightimage; cvFlip(&iplimage,&iplimage,1);//镜像 Mat img(&iplimage,0); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //镜像2 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnMirror2() { IplImage iplimage =m_rightimage; cvFlip(&iplimage,&iplimage,0);//镜像 Mat img(&iplimage,0); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //旋转 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnRotate() { // TODO: 在此添加控件通知处理程序代码 int rotation_degrees = 30; Mat M = getRotationMatrix2D(Point(m_rightimage.cols/2,m_rightimage.rows/2),rotation_degrees,1); warpAffine(m_rightimage,m_rightimage,M,m_rightimage.size(),INTER_LINEAR); F_ShowImage(m_rightimage,m_rightimage,IDC_PBRIGHT); } //print void CTwoCameraOnTimer2Dlg::OnBnClickedBtnPrint() { } //destory就是关闭时候的情况 void CTwoCameraOnTimer2Dlg::OnDestroy() { CDialogEx::OnDestroy(); KillTimer(1); if (leftcam.isOpened()) { m_lfimage = Scalar(0); F_ShowImage(m_lfimage,m_lfimage,IDC_PBLEFT); leftcam.release(); AfxMessageBox(_T("摄像头关闭成功")); } } //保存文件 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam3() { // TODO: 在此添加控件通知处理程序代码 IplImage iplimage =m_rightimage; //打开保存界面,获得保存的地址 CString fileName; CString szFilters="jpg(*.jpg)|*.jpg||"; CFileDialog dlgFile(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szFilters,NULL,0,TRUE); const int c_cMaxFiles = 100; const int c_cbBuffSize = (c_cMaxFiles * (MAX_PATH + 1)) + 1; dlgFile.GetOFN().lpstrFile = fileName.GetBuffer(c_cbBuffSize); dlgFile.GetOFN().nMaxFile = c_cMaxFiles; dlgFile.DoModal(); fileName.ReleaseBuffer(); fileName = fileName+".jpg";//加个后缀名 int i = cvSaveImage(fileName,&iplimage); if (i!=0) { AfxMessageBox(_T("文件保存成功")); } } //sobel void CTwoCameraOnTimer2Dlg::OnBnClickedBtnSobel() { IplImage iplimage =m_rightimage; cvSobel(&iplimage,&iplimage,1,0,3); Mat img(&iplimage,0); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //清空 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnEmpty() { IplImage iplimage =m_rightimage; m_rightimage = NULL; F_ShowImage(m_rightimage,m_rightimage,IDC_PBRIGHT); } //canny void CTwoCameraOnTimer2Dlg::OnBnClickedBtnCanny() { IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* src1=cvCreateImage(cvSize(src->width,src->height),IPL_DEPTH_8U,1); cvCvtColor(src, src1, CV_BGR2GRAY); cvCanny(src1,src1,50,200,3);//参数可以设定 Mat img(src1); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //黑白 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnBlack() { IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* src1=cvCreateImage(cvSize(src->width,src->height),IPL_DEPTH_8U,1); cvCvtColor(src, src1, CV_BGR2GRAY); Mat img(src1); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //打开文件 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnOpencam2() {m_rightimage = NULL; CString fileName; CString szFilters="jpg(*.jpg)|*.jpg||bmp(*.bmp)|*.bmp"; CFileDialog dlgFile(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szFilters,NULL,0,TRUE); const int c_cMaxFiles = 100; const int c_cbBuffSize = (c_cMaxFiles * (MAX_PATH + 1)) + 1; dlgFile.GetOFN().lpstrFile = fileName.GetBuffer(c_cbBuffSize); dlgFile.GetOFN().nMaxFile = c_cMaxFiles; dlgFile.DoModal(); fileName.ReleaseBuffer(); std::string str = fileName; Mat mat = imread(str); F_ShowImage(mat,m_rightimage,IDC_PBRIGHT);//打开并写入m_rightimage SetTimer(1,50,NULL);//采用timer触发 } //二值化 void CTwoCameraOnTimer2Dlg::OnBnClickedBtnBin() { // TODO: 在此添加控件通知处理程序代码 IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* src1=cvCreateImage(cvSize(src->width,src->height),IPL_DEPTH_8U,1); cvCvtColor(src, src1, CV_BGR2GRAY); cvThreshold(src1,src1,0,150,0); Mat img(src1); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } //prewitte??? void CTwoCameraOnTimer2Dlg::OnBnClickedBtnPrewitte() { IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* src1=cvCreateImage(cvSize(src->width,src->height),IPL_DEPTH_8U,1); cvCvtColor(src, src1, CV_BGR2GRAY); cvCanny(src1,src1,50,200,3);//参数可以设定 Mat img(src1); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } void CTwoCameraOnTimer2Dlg::OnBnClickedBtnAutobin() { IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* src1=cvCreateImage(cvSize(src->width,src->height),IPL_DEPTH_8U,1); cvCvtColor(src, src1, CV_BGR2GRAY); cvAdaptiveThreshold( src1, src1, 255, CV_ADAPTIVE_THRESH_MEAN_C, CV_THRESH_BINARY, 3, 5 ); Mat img(src1); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } void CTwoCameraOnTimer2Dlg::OnBnClickedBtnLog() { // TODO: 在此添加控件通知处理程序代码 IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* dst = cvCreateImage(cvGetSize(src),8,3); //注意相关参数的设定 cvLogPolar(src,dst,cvPoint2D32f(10,10),40,CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS); Mat img(dst); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } void CTwoCameraOnTimer2Dlg::OnBnClickedBtnFouier() { // TODO: 在此添加控件通知处理程序代码 IplImage iplimage =m_rightimage; IplImage *src = &iplimage; //注意相关参数的设定 cvDFT(&src,&src,CV_DXT_FORWARD,src->height); Mat img(src); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } void CTwoCameraOnTimer2Dlg::OnBnClickedBtnHist() { IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* dst = cvCreateImage(cvGetSize(src),8,1);//必须为灰色 //注意相关参数的设定 cvCvtColor(src,dst,CV_RGB2GRAY); cvEqualizeHist(dst,dst); Mat img(dst); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); } void CTwoCameraOnTimer2Dlg::OnBnClickedBtnWater() { // TODO: 在此添加控件通知处理程序代码 IplImage iplimage =m_rightimage; IplImage *src = &iplimage; IplImage* dst = cvCreateImage(cvGetSize(src),8,1);//必须为灰色 cvWatershed(dst,dst); Mat img(dst); F_ShowImage(img,m_rightimage,IDC_PBRIGHT); }
程序代码视频 http://pan.baidu.com/s/1dDINRnr o2p3
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