本文实例为大家分享了opencv摄像头捕获识别颜色的具体代码,供大家参考,具体内容如下
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#include "highgui.h" #include "iostream" using namespace std; int main() { CvCapture* pCap = cvCreateCameraCapture(1 ); //这里-1也可以,不过我的电脑装的有CyberLink YouCam软件, int flag=0; //OpenCV会默认调用该摄像头,而不调用系统的驱动 IplImage* frame =NULL; if (cvCreateCameraCapture == NULL) { return (0); } cvNamedWindow( "Camera" ,CV_WINDOW_FULLSCREEN); while ((frame = cvQueryFrame(pCap)) != 0 && cvWaitKey(20) != 27) { frame = cvQueryFrame(pCap); //cout<<frame->width<<" "<<frame->height<<endl; flag=0; for ( int x=0;x<frame->height;x++) { for ( int y=0;y<frame->width*3;y++) { //CV_IMAGE_ELEM(frame,uchar,x,y)=255; if ( ((uchar*)(frame->imageData+x*frame->widthStep))[y*frame->nChannels+0]<30 //b &&((uchar*)(frame->imageData + x*frame->widthStep))[y*frame->nChannels + 1]<30 //g &&((uchar*)(frame->imageData + x*frame->widthStep))[y*frame->nChannels + 2]>150) //r flag++; } } cout<<flag<<endl; if (flag>70000) cout<< "red" ; else cvShowImage( "Camera" ,frame); } aaa: cvReleaseCapture(&pCap); cvDestroyWindow( "Camera" ); system ( "pause" ); return (0); } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。