OpenCV：goodFeaturesToTrack角点检测的应用( 四 ) _2410

                                          Mat(),
                                          block_size,
                                          use_harris,
                                          k);
       //将检测到的角点绘制到原图上
       for (int i = 0; i < corners.size(); i++)
       {
              circle(image_color, corners[i], 1, Scalar(0, 0, 255), 2, 8, 0);
       }
       namedWindow("goodTrack corner",CV_WINDOW_NORMAL);
       imshow("goodTrack corner", image_color);
       //指定亚像素计较迭代标注
       TermCriteria criteria = TermCriteria(
                                      TermCriteria::MAX_ITER + TermCriteria::EPS,
                                      40,
                                      0.01);
       //亚像素检测
       cornerSubPix(image_gray, corners, Size(5, 5), Size(-1, -1), criteria);
       //将检测到的亚像素角点绘制到原图上
       for (int i = 0; i < corners.size(); i++)
       {
              circle(image_color, corners[i], 5, cv::Scalar(0, 255, 0), 2, 8, 0);
       }
       namedWindow("sub pixel corner",CV_WINDOW_NORMAL);
       imshow("sub pixel corner", image_color);
       waitKey(0);
       return 0;
}

5像素角点与亚像素角点对比：
【OpenCV：goodFeaturesToTrack角点检测的应用】如图所示：

OpenCV：goodFeaturesToTrack角点检测的应用( 四 )

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