Ubuntu 20.04 + ROS Noetic + OpenCV 4.10编译kalibr相机标定功能包

环境：Ubuntu 20.04 + ROS Noetic + OpenCV：4.2.0

mkdir -p kalibr_ws/src
cd kalibr_ws/ 
source /opt/ros/noetic/setup.bash 
cd src/ 
catkin_init_workspace 

git clone https://github.com/ethz-asl/kalibr.git 
cd .. 
catkin_make -DCMAKE_BUILD_TYPE=Release -j4

编译过程中遇到相关问题：

• Could not find a package configuration file provided by "boost_python3"

解决方法：

https://github.com/ethz-asl/kalibr/issues/368

/kalibr/Schweizer-Messer/numpy_eigen/cmake/add_python_export_library.cmake:89 
change 
	list(APPEND BOOST_COMPonENTS python3) 
to 
	list(APPEND BOOST_COMPonENTS python)

• /usr/include/python3.8/numpy/__multiarray_api.h:1541:35: error: return-statement with a value, in function returning ‘void’ [-fpermissive]

1541 | #define NUMPY_import_ARRAY_RETVAL NULL

解决方法：

https://blog.csdn.net/zhaodeming000/article/details/119859124

在文件中kalibr/Schweizer-Messer/numpy_eigen/src/autogen_module/numpy_eigen_export_module.cpp添加

BOOST_PYTHON_MODULE(libnumpy_eigen) 
{ 
	using namespace boost::python;
    // Without this import, the converter will segfault 
    #undef NUMPY_import_ARRAY_RETVAL 
    #define NUMPY_import_ARRAY_RETVAL
    
    import_array();

• /home/ubuntu/kalibr_ws/src/kalibr/aslam_offline_calibration/ethz_apriltag2/src/example/apriltags_demo.cpp:53:10: fatal error: libv4l2.h: No such file or directory

  53 | #include

解决方法：

sudo apt-get install libv4l-dev

• error: ‘CV_CAP_PROP_frame_WIDTH’ was not declared in this scope 305 | m_cap.set(CV_CAP_PROP_frame_WIDTH, m_width);

解决方法：

https://blog.csdn.net/CGJustDoIT/article/details/108150459

在kalibr_ws/src/kalibr/aslam_offline_calibration/ethz_apriltag2/src/example/apriltags_demo.cpp中添加：

#include
#include

using namespace std; 
#include  
#include  
#include  
#include  
#include  
#include  


const string usage = "n"     
    m_cap.set(cv::CAP_PROP_frame_WIDTH, m_width);    
	m_cap.set(cv::CAP_PROP_frame_HEIGHT, m_height);    
	cout << "Camera successfully opened (ignore error messages above...)" << endl;   
	cout << "Actual resolution: "         
        << m_cap.get(cv::CAP_PROP_frame_WIDTH) << "x"         
        << m_cap.get(cv::CAP_PROP_frame_HEIGHT) << endl;

• error: ‘pid_t gettid()’ was declared ‘extern’ and later ‘static’ [-fpermissive]

解决方法：

• error: ‘CV_LOAD_IMAGE_GRAYSCALE’ was not declared in this scope

  22 | _mask = cv::imread(maskFile, CV_LOAD_IMAGE_GRAYSCALE);

• /usr/include/boost/python/detail/destroy.hpp:20:9: error: ‘Eigen::Matrixbase＜Derived＞::~Matrixbase()

解决方法：

https://blog.csdn.net/weixin_48135525/article/details/117999358

change line 466 protected intopublic in /usr/include/eigen3/Eigen/src/Core/Matrixbase.h or /usr/local/include/eigen3/Eigen/src/Core/Matrixbase.h.