实例介绍
【实例简介】
【实例截图】
【核心代码】
// MFCApplication1Dlg.cpp: 实现文件
//
#include "pch.h"
#include "framework.h"
#include "MFCApplication1.h"
#include "MFCApplication1Dlg.h"
#include "afxdialogex.h"
#include <iostream>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include "opencv2/core/core.hpp"
#include "opencv2/objdetect/objdetect.hpp"
#include <opencv2/face.hpp>
#include <opencv2/xfeatures2d.hpp>
#include "opencv2/opencv.hpp"
#include <math.h>
#include<direct.h>
#include<io.h>
#include<sstream>
#include "string"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
using namespace std;
using namespace cv;
using namespace cv::face;
using namespace cv::xfeatures2d;
CFont font, font1;
char c;
// 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
#ifdef AFX_DESIGN_TIME
enum { IDD = IDD_ABOUTBOX };
#endif
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMFCApplication1Dlg 对话框
CMFCApplication1Dlg::CMFCApplication1Dlg(CWnd* pParent /*=nullptr*/)
: CDialogEx(IDD_MFCAPPLICATION1_DIALOG, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCApplication1Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication1Dlg::OnBnClickedButton1)
ON_BN_CLICKED(IDC_BUTTON6, &CMFCApplication1Dlg::OnBnClickedButton6)
END_MESSAGE_MAP()
// CMFCApplication1Dlg 消息处理程序
BOOL CMFCApplication1Dlg::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 != nullptr)
{
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
ShowWindow(SW_MAXIMIZE);
ShowWindow(SW_MINIMIZE);
// TODO: 在此添加额外的初始化代码
//CFont font;
font.CreatePointFont(200, _T("宋体"), NULL);
font1.CreatePointFont(150, _T("宋体"), NULL);
GetDlgItem(IDC_BUTTON1)->SetFont(&font);
GetDlgItem(IDC_BUTTON6)->SetFont(&font);
GetDlgItem(IDC_STATIC12)->SetFont(&font1);
GetDlgItem(IDC_STATIC13)->SetFont(&font1);
return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
}
void CMFCApplication1Dlg::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 CMFCApplication1Dlg::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();
}
}
//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 CMFCApplication1Dlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
CWinThread* pWinThread_CompositeVideo;//创建线程
string convertToString(double d) {
ostringstream os;
if (os << d)
return os.str();
return "invalid conversion";
}
UINT CMFCApplication1Dlg::CompositeVideo(LPVOID pParam)//**************************************************************合成视频线程函数******************************************************************************************
{
CMFCApplication1Dlg * dlgR = (CMFCApplication1Dlg *)pParam;
// TODO: 在此添加控件通知处理程序代码
//绿幕抠图
VideoWriter writer;
//writer.open("./my1.AVI", writer.fourcc('M', 'J', 'P', 'G'), 10, Size(1366,768), true);//CAP_OPENCV_MJPEG
writer.open("./my1.flv", writer.fourcc('F', 'L', 'V', '1'), 30, Size(1366, 768), true);//CAP_OPENCV_MJPEG
Mat background_01 = imread("D:/OpenCV_program/绿幕抠图/1.jpg");
Mat background_02 = imread("D:/OpenCV_program/绿幕抠图/2.jpg");
Mat background_03 = imread("D:/OpenCV_program/绿幕抠图/3.jpg");
Mat background_04 = imread("D:/OpenCV_program/绿幕抠图/4.jpg");
Mat background = background_01;
int width = background.cols;
int height = background.rows;
VideoCapture capture, capture_TV;
capture.open("./胆小的猫.flv");
capture_TV.open("./跳舞.mp4");
if ((!capture.isOpened()) || (!capture_TV.isOpened()))
{
return -1;
}
Mat frame, hsv, green_mask, green_mask_bin, mask, result;
Mat k, k0;
int m = 0;
int h, w, dims;
int r = 0, g = 0, b = 0;
int r1 = 0, g1 = 0, b1 = 0;
int r2 = 0, g2 = 0, b2 = 0;
double wt = 0;
vector<Vec4i> hierarchy;
vector<vector<Point> > contours;
while (capture.read(frame))
{
mask = Mat::zeros(frame.size(), CV_8UC1);
result = Mat::zeros(frame.size(), frame.type());
//寻找绿幕
cvtColor(frame, hsv, COLOR_BGR2HSV);
inRange(hsv, Scalar(35, 43, 46), Scalar(77, 255, 255), green_mask);//大范围的绿色
//inRange(hsv, Scalar(50, 200, 200), Scalar(70, 255, 255), green_mask);//本素材的绿色
//imshow("green_mask", green_mask);
// 开操作
//k0 = getStructuringElement(MORPH_RECT, Size(5, 5), Point(-1, -1));
//morphologyEx(green_mask, green_mask, MORPH_OPEN, k0);
// 闭操作，去掉mask杂点
//k = getStructuringElement(MORPH_RECT, Size(3, 3), Point(-1, -1));
//morphologyEx(green_mask, green_mask, MORPH_CLOSE, k);
//mask二值化
threshold(green_mask, green_mask_bin, 200, 255, THRESH_BINARY);
//寻找轮廓
findContours(green_mask_bin, contours, hierarchy, RETR_TREE, CHAIN_APPROX_NONE, Point(0, 0));
//筛选剔除掉面积小于290000或大于320000的轮廓
vector <vector<Point>>::iterator iter = contours.begin();
for (; iter != contours.end();)
{
double g_dConArea = contourArea(*iter);
if (g_dConArea < 290000 || g_dConArea > 320000)
{
iter = contours.erase(iter);
}
else
{
iter;
}
}
if (contours.size() == 0)
{
frame.copyTo(result);
imshow("ImageShow2", frame);
imshow("ImageShow", result);
writer.write(result);
}
else
{
capture_TV.read(background);
drawContours(mask, contours, -1, Scalar(255), CV_FILLED);
for (int i = 0; i < (int)contours.size(); i )
{
Rect rect1 = boundingRect(Mat(contours[i]));//最小外接矩
resize(background, background, rect1.size());//调整图像大小
//融合
h = frame.rows;
w = frame.cols;
//int bg_row = 0;
//dims = frame.channels();
for (int row = 0; row < h; row )
{
uchar* current = frame.ptr<uchar>(row);
//uchar* bgrow = background.ptr<uchar>(bg_row);
uchar* maskrow = mask.ptr<uchar>(row);
uchar* targetrow = result.ptr<uchar>(row);
for (int col = 0; col < w; col )
{
m = *maskrow ;
if (m == 255)
{ // 背景
*targetrow = background.at<Vec3b>(row - rect1.y, col - rect1.x)[0];
*targetrow = background.at<Vec3b>(row - rect1.y, col - rect1.x)[1];
*targetrow = background.at<Vec3b>(row - rect1.y, col - rect1.x)[2];
current = 3;
}
else if (m == 0)
{// 前景
*targetrow = *current ;
*targetrow = *current ;
*targetrow = *current ;
}
}
}
}
imshow("ImageShow2", frame);
imshow("ImageShow1", background);
imshow("ImageShow", result);
writer.write(result);
//waitKey();
}
//c = waitKey(1);
if (c == 27) {
break;
}
}
waitKey(0);
return 0;
}
void CMFCApplication1Dlg::OnBnClickedButton1()//开始
{
// TODO: 在此添加控件通知处理程序代码
int idx, n;
Rect maxrect, brect;
////////////////////////////////设置窗口////////////////////////////////////////////////////////////////////
//窗口0
CRect cWindowRect;
GetDlgItem(IDC_STATIC)->GetClientRect(&cWindowRect); // 获取控件窗口大小
namedWindow("ImageShow", CV_WINDOW_KEEPRATIO); // 用OpenCV创建一个窗口
resizeWindow("ImageShow", cWindowRect.Width(), cWindowRect.Height());
HWND hWnd = (HWND)cvGetWindowHandle("ImageShow");
HWND hParent = ::GetParent(hWnd);
::SetParent(hWnd, GetDlgItem(IDC_STATIC)->m_hWnd);
::ShowWindow(hParent, SW_HIDE);
Mat pic;
pic = imread("D:/OpenCV_program/绿幕抠图/截图/image1.png");
imshow("ImageShow", pic);
//窗口1
CRect cWindowRect2;
GetDlgItem(IDC_STATIC1)->GetClientRect(&cWindowRect2); // 获取控件窗口大小
namedWindow("ImageShow2", CV_WINDOW_KEEPRATIO); // 用OpenCV创建一个窗口
resizeWindow("ImageShow2", cWindowRect2.Width(), cWindowRect2.Height());
HWND hWnd2 = (HWND)cvGetWindowHandle("ImageShow2");
HWND hParent2 = ::GetParent(hWnd2);
::SetParent(hWnd2, GetDlgItem(IDC_STATIC1)->m_hWnd);
::ShowWindow(hParent2, SW_HIDE);
Mat pic2;
pic2 = imread("D:/OpenCV_program/绿幕抠图/截图/image1.png");
imshow("ImageShow2", pic2);
//窗口2
CRect cWindowRect1;
GetDlgItem(IDC_STATIC2)->GetClientRect(&cWindowRect1); // 获取控件窗口大小
namedWindow("ImageShow1", CV_WINDOW_KEEPRATIO); // 用OpenCV创建一个窗口
resizeWindow("ImageShow1", cWindowRect1.Width(), cWindowRect1.Height());
HWND hWnd1 = (HWND)cvGetWindowHandle("ImageShow1");
HWND hParent1 = ::GetParent(hWnd1);
::SetParent(hWnd1, GetDlgItem(IDC_STATIC2)->m_hWnd);
::ShowWindow(hParent1, SW_HIDE);
Mat pic1;
pic1 = imread("D:/OpenCV_program/绿幕抠图/截图/image3.png");
imshow("ImageShow1", pic1);
pWinThread_CompositeVideo = AfxBeginThread(CompositeVideo, this);//启动线程
}
void CMFCApplication1Dlg::OnBnClickedButton6()//结束
{
// TODO: 在此添加控件通知处理程序代码
c = 27;
}
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