我是靠谱客的博主 忧郁柠檬,这篇文章主要介绍c++ 调用python传输图片实例,现在分享给大家,希望可以做个参考。

如下所示:

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#include <Python.h> #include <arrayobject.h> #include "opencv2/imgcodecs.hpp" #include "opencv2/imgproc.hpp" #include "opencv2/videoio.hpp" #include <opencv2/highgui.hpp> #include <opencv2/video.hpp> #include "opencv2/video/background_segm.hpp" //using namespace std; int init_numpy() { import_array(); }

初始化:

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Py_SetPythonHome(L"D:\Users\Lenovo\Anaconda3\envs\python35"); Py_Initialize(); init_numpy(); PyRun_SimpleString("import sys"); PyRun_SimpleString("sys.path.append('./')"); pModule = NULL; pFunc = NULL; pModule =PyImport_ImportModule("demo"); pFunc =PyObject_GetAttrString(pModule, "load_model"); PyEval_CallObject(pFunc,NULL);

传输代码:

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cv::Mat img =cv::imread("d:\1.jpg", CV_LOAD_IMAGE_COLOR); int m, n; n = img.cols *3; m = img.rows; unsigned char *data = (unsigned char*)malloc(sizeof(unsignedchar) * m * n); int p = 0; for (int i = 0; i < m;i++) { for (int j = 0; j < n; j++) { data[p]= img.at<unsignedchar>(i, j); p++; } } npy_intp Dims[2]= { m, n }; //给定维度信息 PyObject*PyArray = PyArray_SimpleNewFromData(2, Dims, NPY_UBYTE, data); PyObject*ArgArray = PyTuple_New(1); PyTuple_SetItem(ArgArray,0, PyArray); PyObject *pDict= nullptr; pDict =PyModule_GetDict(pModule); PyObject*pFuncFive = PyDict_GetItemString(pDict, "load_image"); //PyObject_CallObject(pFuncFive, ArgArray); PyObject*pReturn = PyObject_CallObject(pFuncFive, ArgArray); int result; PyArg_Parse(pReturn,"i", &result); CString strtemp; strtemp.Format(_T("%d"), result); MessageBox(strtemp);

Python部分:

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importcv2 import numpyas np w=227 h=227 c=3 sess = None def arrayreset(array): # for i inrange(array.shape[1]/3): # pass a = array[:,0:len( array[0] -2 ):3] b = array[:, 1:len( array[0] - 2 ):3] c = array[:, 2:len( array[0] - 2 ):3] a = a[:, :, None] b = b[:, :, None] c = c[:, :, None] m = np.concatenate((a,b,c),axis=2) return m def load_model(): global sess sess = tf.Session() saver = tf.train.import_meta_graph( './model/model.ckpt.meta') saver.restore( sess, tf.train.latest_checkpoint('./model/') ) def load_image(image): img = arrayreset(image)

其实还可以用imencode来解决:本文尚未完善

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Mat image = imread("d:\11.jpeg", CV_LOAD_IMAGE_COLOR); IplImage iplimage = image; vector<uchar> buff;//buffer for coding vector<int> param = vector<int>(2); param[0] = CV_IMWRITE_JPEG_QUALITY; param[1] = 95;//default(95) 0-100 imencode(".jpg", image, buff, param); std::string str_encode(buff.begin(), buff.end());

以上这篇c++ 调用python传输图片实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持靠谱客。

最后

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