闲的时候用OpenCV画漫画也挺有意思,虽然效果不好(达不到上面所实现的效果),
参数需要调整,还是大头贴而且噪声小的图像比较合适
而且可以熟悉一下关于各种滤波的操作比如:双边滤波;
- #include "cv.h"
- #include "highgui.h"
- using namespace cv;
- using namespace std;
- int main()
- {
- string name="D:/cartoon0.jpg";
- Mat src1=imread(name,1);
- Mat img;
- //双边滤波,第3个参数d可以说d>5时不能实时处理,最后两个参数是sigma参数,一般相同,
- //<10时基本没效果, >150时漫画效果
- bilateralFilter(src1,img,5,150,150);
- bilateralFilter(img,src1,5,150,150);
- //img.copyTo(src1);
- imshow("bilateral",src1);
- waitKey(0);
- Mat src;
- cvtColor(src1,src,CV_BGR2GRAY);
- //粗线,越大越粗,但是会有大量噪点
- Mat imgL;
- //第三个参数ddepth表示目标图像的深度,ddepth=-1时,与原图像一致
- Laplacian(src,imgL,-1,3,1);
- imshow("Laplacian",imgL);
- waitKey(0);
- //细线
- Mat imgC;
- Canny(src,imgC,30,90);
- imshow("Canny",imgC);
- waitKey(0);
- Mat imgS,imgSx,imgSy,imgS0;
- Sobel(src,imgSx,-1,0,1);
- Sobel(src,imgSx,-1,1,0);
- imgS=imgSx+imgSy;
- Sobel(src,imgS0,-1,1,1);
- imshow("Sobel0",imgS0);
- imshow("Sobel",imgS);
- waitKey(0);
- Mat imgTotal;
- imgTotal=imgC+imgS+imgL;
- //imgTotal.convertTo(imgTotal,CV_32FC1);
- normalize(imgTotal,imgTotal,255,0,CV_MINMAX);
- GaussianBlur(imgTotal,imgTotal,Size(3,3),3);
- threshold(imgTotal,imgTotal,100,255,THRESH_BINARY_INV);
- imshow("Total",imgTotal);
- waitKey(0);
- Mat imgTotalC3;
- cvtColor(imgTotal,imgTotalC3,CV_GRAY2BGR);
- bitwise_and(src1,imgTotalC3,src1);
- imshow("Result",src1);
- waitKey(0);
- name.insert(11,"_edge");
- imwrite(name,src1);
- /*
- Mat img(imgTotal.rows,imgTotal.cols,CV_32FC1);
- for(int i=0;i<imgTotal.rows;i++)
- {
- //uchar* p=(uchar*)(imgTotal.ptr()+i*imgTotal.step);
- for(int j=0;j<imgTotal.cols;j++)
- {
- if(imgTotal.at<float>(i,j)==0)
- img.at<float>(i,j)=1;
- }
- }
- imshow("Reverse",img);
- waitKey(0);
- */
- /*
- Mat imgSc;
- Scharr(src,imgSc,-1,1,0);
- imshow("Scharr",imgSc);
- waitKey(0);
- */
- }
from: http://blog.csdn.net/yangtrees/article/details/7544481