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如何使用boost XML存档序列化OpenCV Mat

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我试图序列化一个有cv :: Mat作为成员的对象,我发现这个SO page但是当我尝试它时,我得到以下错误:

usr / include / boost / archive / basic_xml_iarchive.hpp:70:9:错误:没有匹配函数来调用'assertion_failed(mpl _ :: failed ************ boost :: serialization :: is_wrapper :: ************)注意:template int mpl _ :: assertion_failed(typename mpl _ :: assert :: type)/usr/include/boost/archive/basic_xml_iarchive.hpp:在成员函数中'void boost :: archive :: basic_xml_iarchive :: load_override(T&,int)[with T = unsigned char,Archive = boost :: archive :: xml_iarchive]':'

在链接页面上的示例中,他们使用二进制存档,而我使用的是xml,这是否会导致问题?

1 回答

  • 4

    需要在包含的标头中的某处添加:

    namespace boost {
      namespace serialization {
    
    
        template<class Archive>
        inline void serialize(Archive & ar, cv::Mat& m, const unsigned int version) {
          int cols = m.cols;
          int rows = m.rows;
          size_t elemSize = m.elemSize();
          size_t elemType = m.type();
    
          ar & BOOST_SERIALIZATION_NVP(cols);
          ar & BOOST_SERIALIZATION_NVP(rows);
          ar & BOOST_SERIALIZATION_NVP(elemSize);
          ar & BOOST_SERIALIZATION_NVP(elemType); // element type.
    
          if(m.type() != elemType || m.rows != rows || m.cols != cols) {
            m = cv::Mat(rows, cols, elemType, cv::Scalar(0));
          }
    
          size_t dataSize = cols * rows * elemSize;
          cout << " datasize is " << dataSize;
    
    
          for (size_t dc = 0; dc < dataSize; dc++) {
            std::stringstream ss;
            ss << "elem_"<<dc;
            ar & boost::serialization::make_nvp(ss.str().c_str(), m.data[dc]);
          }
    
        }
      }
    }
    

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