FloodFill填充算法利用的是一种广度搜索的方法,将处于设定灰度的像素点设置为新像素
一些伪代码http://en.wikipedia.org/wiki/Flood_fill
openCV实现
#include <cv.h>
#include <highgui.h>
void main()
{
//以原始通道数读取图片1
IplImage* img1 = cvLoadImage("D://vc6.0//MSDev98//MyProjects//MachineVision//TestPic//Lena.bmp",CV_LOAD_IMAGE_UNCHANGED);
IplImage* img2 = cvLoadImage("D://vc6.0//MSDev98//MyProjects//MachineVision//TestPic//Lena.bmp",CV_LOAD_IMAGE_UNCHANGED);
//命名窗口
cvNamedWindow("Origin", CV_WINDOW_AUTOSIZE);
cvNamedWindow("Fill", CV_WINDOW_AUTOSIZE);
//利用3*3模板进行第一次腐蚀
cvFloodFill(img2, cvPoint(100,25),cvScalar(255), cvScalar(25), cvScalar(25), NULL, 4 | CV_FLOODFILL_FIXED_RANGE, NULL);
//显示图片
cvShowImage("Origin", img1);
cvShowImage("Fill", img2);
cvWaitKey(0);
cvReleaseImage(&img1);
cvReleaseImage(&img2);
}原文地址:http://blog.csdn.net/lampqiu/article/details/38681123