OpenCV3.2图像分割 实例8：Grabcut原理与演示应用

1 #include <opencv2/opencv.hpp> 2 #include <iostream> 3 #include <math.h> 4 5 using namespace cv; 6 using namespace std; 7 8 int numRun = 0; 9 Rect rect; 10 bool init = false; 11 Mat src, image; 12 Mat mask, bgModel, fgModel;//mask，背景，前景 13 const char* winTitle = "input image"; 14 15 void onMouse(int event, int x, int y, int flags, void* param); 16 void setROIMask(); 17 void showImage(); 18 void runGrabCut(); 19 int main(int argc, char** argv) 25 maskreate(src.size(), CV_8UC1); 26 mask.setTo(Scalar::all(GC_BGD)); 27 28 namedWindow(winTitle, CV_WINDOW_AUTOSIZE);// 29 setMouseCallback(winTitle, onMouse, 0);//设置鼠标反馈事件 30 imshow(winTitle, src); 31 32 while (true) 40 if ((int)c == 27) 43 } 44 45 waitKey(0); 46 return 0; 47 } 48 49 void showImage() else 58 imwrite("tx2.png",result); 59 rectangle(result, rect, Scalar(0, 0, 255), 2, 8);//在result上绘制红色矩形框rect 60 imshow(winTitle, result); 61 } 62 void setROIMask() 75 76 //鼠标事件函数 77 void onMouse(int event, int x, int y, int flags, void* param) 93 break; 94 case EVENT_LBUTTONUP://鼠标左键松开 95 if (rect.width > 1 && rect.height > 1) 99 break; 100 default: 101 break; 102 } 103 } 104 105 //运行GrabCut函数 106 void runGrabCut() 110 111 if (init) 117 }

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OpenCV