输入vector生成三通道的Mat

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VIP免费原创最新推荐文章于 2025-09-22 10:51:14 发布 1.1k 阅读 AI 写同款· GEO 优化 ›

Mat函数的定义与vector存储到Mat中的问题 Mat类型对应的数值如下：#define CV_8U 0 #define CV_8S 1 #define CV_16U 2 #define CV_16S 3 #define CV_32S 4 #define CV_32F 5 #define CV_64F 6未对定义的Mat矩阵进行设置，那么他将默认为行=0，列=0，类型为cv_8UC1 #include <opencv2/op 阅读详情

  string filename = "/data1/home/duyaru/SDK/xuanwu_sdk_0226/jpeg.value";
  std::ifstream inf(filename);
  if (!inf.is_open()){
   std::cout << "Error opening file";
  }

  vector<int> res;
  while (!inf.eof()){
      char d[256];
      inf.getline(d,100);
      stringstream ss;
      ss.clear();
      ss.str(d);
	  // words split by space
      while(!ss.fail()){ 
       string a;
       ss >> a ;     
       int value ;

       if(a.find_first_of("0123456789") != std::string::npos){
         if(a.find_last_of('[')!= std::string::npos) {
           value = atoi( a.substr(a.find_last_of("[")+1).c_str());    
         }
         else  if(a.find_first_of(']') != std::string::npos){
           value = atoi(a.substr(0,a.find_first_of("]")).c_str()); 
         }
         else value = atoi(a.c_str()); // << " ";
         res.push_back(value);
       }    
      } 
     cout<< "size" << res.size();

     unsigned