C++图像存储成二进制文件

//C++图像存储成二进制文件：

Mat img_target = Mat::zeros(cv::Size(target_w, target_h), CV_8UC3);
Mat img_resize;
cv::resize(input_img_color, img_resize, 
    Size(padded_img_w, padded_img_h));
img_resize.copyTo(img_target(cv::Rect(offset_w, offset_h, 
              padded_img_w, padded_img_h)));
std::vector<uchar> data_encode;
cv::imencode(".jpg", img_target, data_encode);
std::string str_encode(data_encode.begin(), data_encode.end());
char* char_r=(char *)malloc(sizeof(char) * (str_encode.size()));
memcpy(char_r, str_encode.data(), sizeof(char) * (str_encode.size()));
objResp.set_debug_img(char_r, str_encode.size());
img_target.release();

 

来源：https://blog.csdn.net/jiehanwang/article/details/102778313