需要使用findChessboardCorners函数提取角点,这里的角点专指的是标定板上的内角点,这些角点与标定板的边缘不接触。 findChessboardCorners函数原型: //! finds checkerboard pattern of the specified size in the image CV_EXPORTS_W bool findChessboardCorners( InputArray image, Size patternSize, OutputArray corners,...
# findChessboardCorners函数,该函数查找棋盘并返回角的坐标 ret, corners = cv2.findChessboardCorners(gray, CHECKERBOARD, cv2.CALIB_CB_ADAPTIVE_THRESH+ cv2.CALIB_CB_FAST_CHECK+cv2.CALIB_CB_NORMALIZE_IMAGE) if ret == True: objpoints.append(objp) # 接收原始图像和拐角位置,并在原始位置的一个小邻域...
findChessboardCorners(gray, CHECKERBOARD, cv2.CALIB_CB_ADAPTIVE_THRESH+cv2.CALIB_CB_FAST_CHECK+cv2.CALIB_CB_NORMALIZE_IMAGE) # If found, add object points, image points (after refining them) if ret == True: objpoints.append(objp) cv2.cornerSubPix(gray,corners,(3,3),(-1,-1),subpix_...
patternWasFound,findChessboardCorners的返回值 find4QuadCornerSubpix() 对粗提取的角点进行精确化 find4QuadCornerSubpix( InputArray img, InputOutputArray corners, Size region_size ); 1. 2. 3. image源图像 corners,提供角点的初始坐标 region_size: 搜索窗口的一般尺寸 cornerSubPix() 亚像素检测 void co...
ret, corners = cv2.findChessboardCorners(gray, CHECKERBOARD, cv2.CALIB_CB_ADAPTIVE_THRESH+ cv2.CALIB_CB_FAST_CHECK+cv2.CALIB_CB_NORMALIZE_IMAGE) if ret == True: objpoints.append(objp) # 接收原始图像和拐角位置,并在原始位置的一个小邻域内寻找最佳拐角位置 ...
本来以为在畸变图像上找棋盘格角点会比一般的方法复杂一些,没想到利用FindChessboardCorners就可以成功找到,所以就暂时这样用了,对于畸变比较大的图像,或者手工标出角点,或者实现论文《Automatic Detection of Checkerboards on Blurred and Distorted Images》中自动提取棋盘格的方法。
cv::Size(CHECKERBOARD[0], CHECKERBOARD[1]), corner_ptsL); // cv::CALIB_CB_ADAPTIVE_THRESH | cv::CALIB_CB_FAST_CHECK | cv::CALIB_CB_NORMALIZE_IMAGE); successR = cv::findChessboardCorners( grayR, cv::Size(CHECKERBOARD[0], CHECKERBOARD[1]), ...
# findChessboardCorners函数,该函数查找棋盘并返回角的坐标 ret, corners = cv2.findChessboardCorners(gray, CHECKERBOARD, cv2.CALIB_CB_ADAPTIVE_THRESH+ cv2.CALIB_CB_FAST_CHECK+cv2.CALIB_CB_NORMALIZE_IMAGE) if ret == True: objpoints.append(objp) ...
需要使用findChessboardCorners函数提取角点,这里的角点专指的是标定板上的内角点,这些角点与标定板的边缘不接触。 findChessboardCorners函数原型: 代码语言:javascript 复制 //! finds checkerboard pattern of the specified size in the imageCV_EXPORTS_WboolfindChessboardCorners(InputArray image,Size patternSize,Outp...
System Information OpenCV python version: both 3.4.18.65 and 4.7.0.72 Operating System / Platform: Ubuntu 18.04 and macOS 13.2.1 Python version: 3.7 Detailed description I’m using OpenCV to find chessboard corners on an image using cv2.f...