ChArUcoとは 公式Doc: https://docs.opencv.org/3.4/df/d4a/tutorial_charuco_detection.html The ArUco part is used to interpolate the position of the chessboard corners, so that it has the versatility of marker boards, since it allows occlusions or partial views. Moreover, since the interpolated corners belong to a chessboard, they are very accurate in terms of subpixel accuracy. When high precision is ne