OpenCV 改变像素颜色

 1 Mat src=imread("image/color.jpg");
 2     imshow("a",src);
 3     int i,j;
 4     int cPointR,cPointG,cPointB,cPoint;//currentPoint;
 5     for(i=1;i)
 6         for(j=1;j)
 7         {
 8             cPointB=src.at(i,j)[0];
 9             cPointG=src.at(i,j)[1];
10             cPointR=src.at(i,j)[2];
11             if(cPointB>100&cPointR<100&cPointG<100)
12                 {
13                     src.at(i,j)[0]=0;
14                     src.at(i,j)[1]=0;
15                     src.at(i,j)[2]=0;
16             }
17             
18         }
19     imshow("da",src);