sprintf_s(buf,256,"predicted position:(%3d,%3d)",predict_pt.x,predict_pt.y);
cvPutText(img,buf,cvPoint(10,30),&font,CV_RGB(0,0,0));
sprintf_s(buf,256,"current position :(%3d,%3d)",mousePosition.x,mousePosition.y);
cvPutText(img,buf,cvPoint(10,60),&font,CV_RGB(0,0,0));
cvShowImage("kalman", img);
int key=cvWaitKey(3);
if (key==27){//esc
break;
}
}
cvReleaseImage(&img);
cvReleaseKalman(&kalman);
return 0;
}
