c++怎么向python高效传递矩阵数据，有完整的demo或者相关资料吗？

本人小白，项目中需要实现C++解析视频流（这一步已经完成），并将解析图片数据传给python做检测(这一步不知道怎么完成)，本能实在是不知道怎么做，请大神能指导指导，小弟在此感激不尽！
如果有不错回答的朋友，C币还可以继续追加！

https://stackoverflow.com/questions/30388170/sending-a-c-array-to-python-and-back-extending-c-with-numpy

// python_embed.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#include "Python.h"
#include "numpy/arrayobject.h"
#include

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
Py_SetProgramName(argv[0]);
Py_Initialize();
import_array()

// Build the 2D array
PyObject *pArgs, *pReturn, *pModule, *pFunc;
PyArrayObject *np_ret, *np_arg;
const int SIZE{ 10 };
npy_intp dims[2]{SIZE, SIZE};
const int ND{ 2 };
long double(*c_arr)[SIZE]{ new long double[SIZE][SIZE] };
long double* c_out;
for (int i{}; i < SIZE; i++)
    for (int j{}; j < SIZE; j++)
        c_arr[i][j] = i * SIZE + j;

np_arg = reinterpret_cast<PyArrayObject*>(PyArray_SimpleNewFromData(ND, dims, NPY_LONGDOUBLE, 
    reinterpret_cast<void*>(c_arr)));

// Calling array_tutorial from mymodule
PyObject *pName = PyUnicode_FromString("mymodule");
pModule = PyImport_Import(pName);
Py_DECREF(pName);
if (!pModule){
    cout << "mymodule can not be imported" << endl;
    Py_DECREF(np_arg);
    delete[] c_arr;
    return 1;
}
pFunc = PyObject_GetAttrString(pModule, "array_tutorial");
if (!pFunc || !PyCallable_Check(pFunc)){
    Py_DECREF(pModule);
    Py_XDECREF(pFunc);
    Py_DECREF(np_arg);
    delete[] c_arr;
    cout << "array_tutorial is null or not callable" << endl;
    return 1;
}
pArgs = PyTuple_New(1);
PyTuple_SetItem(pArgs, 0, reinterpret_cast<PyObject*>(np_arg));
pReturn = PyObject_CallObject(pFunc, pArgs);
np_ret = reinterpret_cast<PyArrayObject*>(pReturn);
if (PyArray_NDIM(np_ret) != ND - 1){ // row[0] is returned
    cout << "Function returned with wrong dimension" << endl;
    Py_DECREF(pFunc);
    Py_DECREF(pModule);
    Py_DECREF(np_arg);
    Py_DECREF(np_ret);
    delete[] c_arr;
    return 1;
}
int len{ PyArray_SHAPE(np_ret)[0] };
c_out = reinterpret_cast<long double*>(PyArray_DATA(np_ret));
cout << "Printing output array" << endl;
for (int i{}; i < len; i++)
    cout << c_out[i] << ' ';
cout << endl;

// Finalizing
Py_DECREF(pFunc);
Py_DECREF(pModule);
Py_DECREF(np_arg);
Py_DECREF(np_ret);
delete[] c_arr;
Py_Finalize();
return 0;

}