除了棋盘,我们还可以使用圆形网格。 在这种情况下,我们必须使用函数cv.findCirclesGrid()来找到模式。 较少的图像足以使用圆形网格执行相机校准。 一旦找到拐角,就可以使用cv.cornerSubPix()来提高其精度。我们还可以使用cv.drawChessboardCorners()绘制图案。所有这些步骤都包含在以下代码中: importnumpyasnp importcv2a...
findCirclesGrid(image, patternSize[, centers[, flags[, blobDetector]]]) -> retval, centers findCirclesGridDefault(image, patternSize[, centers[, flags]]) -> retval, centers findContours(image, mode, method[, contours[, hierarchy[, offset]]]) -> contours, hierarchy findDataMatrix(image[, c...
findCirclesGrid(image, patternSize[, centers[, flags[, blobDetector]]]) -> retval, centers findCirclesGridDefault(image, patternSize[, centers[, flags]]) -> retval, centers findContours(image, mode, method[, contours[, hierarchy[, offset]]]) -> contours, hierarchy findDataMatrix(image[, c...
System information (version) OpenCV => 4.1 Operating System / Platform => ubuntu 18.04 64 Bit GPU : Nvidia getfore 1080 ti Detailed description [ 80%] Built target opencv_cudafilters Makefile:162: recipe for target 'all' failed make: ***...
OPENCV_MODULE_opencv_calib3d_SOURCES:INTERNAL=C:/src/OpenCV/modules/calib3d/src/calibinit.cpp;C:/src/OpenCV/modules/calib3d/src/calibration.cpp;C:/src/OpenCV/modules/calib3d/src/checkchessboard.cpp;C:/src/OpenCV/modules/calib3d/src/circlesgrid.cpp;C:/src/OpenCV/modules/calib3d/src/epnp.cpp...
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BUILD_opencv_features2d=ON BUILD_opencv_flann=ON BUILD_opencv_gapi=ON BUILD_opencv_highgui=ON BUILD_opencv_imgcodecs=ON BUILD_opencv_imgproc=ON BUILD_opencv_java_bindings_generator=ON BUILD_opencv_js=OFF BUILD_opencv_ml=ON BUILD_opencv_objdetect=ON BUILD_opencv_photo=ON BUILD...
基于OpenCV的表格文本内容提取 cv2 as cv import numpy as np filename = 'filename.png' img = cv.imread(cv.samples.findFile(filename)) cImage...l)): horizontal_lines.append(l) for i, line in enumerate(horizontal_lines): cv.line(cImage...line[2], line[3]), (0,255,0), 3, cv....
bool found = findCirclesGrid(img, patternSize, centers, CALIB_CB_SYMMETRIC_GRID | CALIB_CB_CLUSTERING, blobDetector); Mat cimg; cvtColor(img, cimg, COLOR_GRAY2BGR); drawChessboardCorners(cimg, patternSize, centers, found); double sf = 960. / MAX(img.rows, img.cols); ...
下载完成后会得到一个 opencv-3.4.15-vc14_vc15.exe 文件,点击运行后会生成一个文件夹。 此文件夹为下一步工程创建使用,文件夹可移动、复制和重命名,这里命名如下: 二、VS2019创建OpenCV基础工程 2.1、创建VS工程 2.2、附加包含目录 附加包含目录:$(SolutionDir)\OpenCV3.4.15\opencv\build\include 附加lib库目...