halcon 标定板特片点提取处理程序，相机标定第1步，图像处理程序。halcon有49个点集，图像处理时自动提取49个圆心，并根据标定板的特征，对49个点集进行排序。-halcon calibration plate special piece point extraction processing program, camera calibration step 1, the image processing program. halcon have 49 point sets, automatic extraction of 49 the center of the image processing, and according to the characteristics of the calibration plate of 49 points set to be sorted.