Cpp/Qt/Opencv 识别简单手势（剪刀石头布）

#include "mainwindow.h" #include <QPainter> #include <iostream> #include <sstream> #include <math.h> using namespace std; using namespace cv; MainWindow :: MainWindow() { mainWindow = new QWidget; this->setCentralWidget(mainWindow); lightModeFlag = 0; enhancedValue = 0; addFlag = false; buttonStart = new QPushButton("START"); buttonStart->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed); buttonStop = new QPushButton("STOP"); buttonStop->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed); pictureGray = new QLabel(); pictureProcess = new QLabel(); labState = new QLabel("No hand..."); enhancedCheck = new QCheckBox("Enhanced Mode"); upCheck = new QCheckBox("Up Enhance"); downCheck = new QCheckBox("Down Enhance"); dilateCheck = new QCheckBox("dilate"); lightMode = new QComboBox(); lightModeLabel = new QLabel("Light Mode :"); lightMode->addItem("Day Mode "); lightMode->addItem("Night Mode"); pCapture = cvCreateCameraCapture(1); cvSetCaptureProperty(pCapture,CV_CAP_PROP_FRAME_WIDTH,320); cvSetCaptureProperty(pCapture,CV_CAP_PROP_FRAME_HEIGHT,240); // pImage = cvQueryFrame(pCapture); mainLayout = new QGridLayout; mainLayout->addWidget(buttonStart,0,0,1,1); mainLayout->addWidget(buttonStop,0,1,1,1); mainLayout->addWidget(lightModeLabel,1,0,1,1); mainLayout->addWidget(lightMode,1,1,1,1); mainLayout->addWidget(enhancedCheck,2,0,1,1); mainLayout->addWidget(upCheck,2,1,1,1); mainLayout->addWidget(dilateCheck,2,3,1,1); mainLayout->addWidget(downCheck,2,2,1,1); mainLayout->addWidget(labState,0,6,4,3); mainLayout->addWidget(pictureProcess,4,0,5,5); mainLayout->addWidget(pictureGray,4,5,5,5); mainWindow->setLayout(mainLayout); QObject::connect(buttonStart,SIGNAL(clicked()),this,SLOT(startVideo())); QObject::connect(buttonStop,SIGNAL(clicked()),this,SLOT(stopVideo())); QObject::connect(lightMode,SIGNAL(currentIndexChanged(int)),this,SLOT(setLightMode(int))); QObject::connect(enhancedCheck, SIGNAL(clicked()), this, SLOT(checkChange())); QObject::connect(dilateCheck,SIGNAL(clicked()),this,SLOT(dilateChange())); this->setWindowTitle("beaglebone opencv test~"); this->resize(QSize(680,400)); IplImage * pImageJd = cvLoadImage("jd.PNG",1); IplImage * pImageBu = cvLoadImage("bu.PNG",1); IplImage * pImageSt = cvLoadImage("st.PNG",1); imageSt = new QImage((const uchar *)pImageSt->imageDataOrigin,pImageSt->width,pImageSt->height,QImage::Format_RGB888); imageBu = new QImage((const uchar *)pImageBu->imageDataOrigin,pImageBu->width,pImageBu->height,QImage::Format_RGB888); imageJd = new QImage((const uchar *)pImageJd->imageDataOrigin,pImageJd->width,pImageJd->height,QImage::Format_RGB888); dilateCheck->click(); } MainWindow :: ~MainWindow() { cvReleaseCapture(&pCapture); mainWindow->deleteLater(); mainLayout->deleteLater(); buttonStart->deleteLater(); buttonStop->deleteLater(); pictureGray->deleteLater(); pictureProcess->deleteLater(); labState->deleteLater(); } int MainWindow::checkDefect(CvConvexityDefect defect) { int temX1 = defect.start->x- defect.depth_point->x; int temY1 = defect.start->y- defect.depth_point->y; int temX2 = defect.end->x- defect.depth_point->x; int temY2 = defect.end->y- defect.depth_point->y; int temX3 = defect.start->x- defect.end->x; int temY3 = defect.start->y- defect.end->y; float length1 = temX1*temX1+temY1*temY1; float length2 = temX2*temX2+temY2*temY2; float length3 = temX3*temX3+temY3*temY3; if((length1>400) && (length2>400) &&(length1+length2<length3*20) ) { if(length1+length2>length3) { return SHARP; } else { return JERID; } } else { return NOBORN; } } void MainWindow::startVideo() { m_nTimerId = startTimer(100); } void MainWindow::stopVideo() { killTimer(m_nTimerId); } void MainWindow::paintEvent(QPaintEvent *event) { } void MainWindow::timerEvent(QTimerEvent *event) { /*init*/ IplImage * pImage; IplImage * grayImage; IplImage * addImage; pImage = cvQueryFrame(pCapture); //pImage = cvLoadImage("test.PNG",1); if(pImage != NULL) { float temsum = 0; int temCnt = 0; // QImage showImage((const uchar *)pImage->imageData,pImage->width,pImage->height,pImage->widthStep,QImage::Format_RGB888); // pictureCamera->setPixmap(QPixmap::fromImage(showImage)); //cvQueryFrame似乎不需要释放内存，释放反而会出错，监控似乎没有内存泄漏 //cvReleaseImage(&pImage); grayImage = cvCreateImage(cvGetSize(pImage),IPL_DEPTH_8U,1); addImage = cvCreateImage(cvGetSize(pImage),IPL_DEPTH_8U,1); /*color threshold*/ unsigned char * data =(unsigned char *) pImage->imageData; int step = pImage->widthStep; int channels = pImage->nChannels; int step2 = grayImage->widthStep; for(int i=0;i<pImage->height;i++) { for(int j=0;j<pImage->width;j++) { unsigned char pixR,pixG,pixB; pixB = data[i*step+j*channels]; pixG = data[i*step+j*channels+1]; pixR = data[i*step+j*channels+2]; if((pixR>pixG) && (pixG+enhancedValue>pixB) && (pixR>pixB) && (pixR <240) && (pixB > 20) ) { float min = pixG<pixB?pixG:pixB; float tem = min /pixR; temsum += tem; temCnt++; float upValue = 0.8; float downValue = 0.4; if(lightModeFlag == 1) { upValue +=0.1; downValue +=0.2; } if(upCheck->checkState()) upValue += 0.15; if(downCheck->checkState()) downValue -= 0.15; if((tem >downValue) &&(tem <upValue) ) grayImage->imageData[i*step2+j] = 0xff; else grayImage->imageData[i*step2+j]= 0x00; } else { grayImage->imageData[i*step2+j] = 0x00; } } } temsum /= temCnt; for(int i=0;i<grayImage->height;i++) { for(int j=0;j<grayImage->width;j++) { if((i==0)||(i == pImage->height-1)||(j==0)||(j == pImage->width-1)) { addImage->imageData[i*step2+j] = 0x00; } else if(grayImage->imageData[i*step2+j]) { addImage->imageData[i*step2+j] = 0xff; if(addFlag) { for(int m =i-1;m<i+2;m++) { for(int n=j-1;n<j+2;n++) { addImage->imageData[m*step2+n] = 0xff; } } } } else { addImage->imageData[i*step2+j] = 0x00; } } } /* if(addFlag) { for(int i=1;i<pImage->height-1;i++) { for(int j=1;j<pImage->width-1;j++) { if(grayImage->imageData[i*step2+j]) continue; #if 1 int cnt =0; for(int m =i-1;m<i+2;m++) { for(int n=j-1;n<j+2;n++) { if(grayImage->imageData[m*step2+n])