generateChessBoard 239 modules/calib3d/test/test_chessboardgenerator.cpp return generateChessBoard(bg, camMat, distCoeffs, zero, pb1, pb2, sqWidth, sqHeight, pts3d, corners); generateChessBoard 298 modules/calib3d/test/test_chessboardgenerator.cpp return generateChessBoard(bg, camMat, distCoeffs, zero, pb1, pb2, generateChessBoard 329 modules/calib3d/test/test_chessboardgenerator.cpp return generateChessBoard(bg, camMat, distCoeffs, zero, pb1, pb2, generateChessBoard 29 modules/calib3d/test/test_chessboardgenerator.hpp Mat generateChessBoard(const Mat& bg, const Mat& camMat, const Mat& distCoeffs,