C++ OpenCV文件存储如何读取结构向量?
我用如下数据编写向量:C++ OpenCV文件存储如何读取结构向量?,c++,opencv,yaml,C++,Opencv,Yaml,我用如下数据编写向量: string filename= itemName+".yml"; FileStorage fs(filename, FileStorage::WRITE); fs << "number_of_objects" << (int)vec.size(); fs << "objects" << "["; for( int i=0; i < (int)vec.size(); ++i ) { fs << "
string filename= itemName+".yml";
FileStorage fs(filename, FileStorage::WRITE);
fs << "number_of_objects" << (int)vec.size();
fs << "objects" << "[";
for( int i=0; i < (int)vec.size(); ++i )
{
fs << "{";
fs << "x" << rc.x/imageScale;
fs << "y" << rc.y/imageScale;
fs << "w" << rc.width/imageScale;
fs << "h" << rc.height/imageScale;
fs << "}";
}
fs << "]";
string filename=itemName+“.yml”;
FileStorage fs(文件名,FileStorage::WRITE);
fs正确的方法是使用FileNode
和FileNodeIterator
FileStorage fs(filename, FileStorage::READ);
if(!fs.isOpened())
return false;
int nObjects= 0;
fs["number_of_objects"] >> nObjects;
vec.resize(nObjects);
FileNode fn = fs["objects"];
int id=0;
for (FileNodeIterator it = fn.begin(); it != fn.end(); it++,id++)
{
FileNode item = *it;
int x,y,w,h;
item["x"] >> x;
item["y"] >> y;
item["w"] >> w;
item["h"] >> h;
}
正确的方法是使用FileNode
和FileNodeIterator
FileStorage fs(filename, FileStorage::READ);
if(!fs.isOpened())
return false;
int nObjects= 0;
fs["number_of_objects"] >> nObjects;
vec.resize(nObjects);
FileNode fn = fs["objects"];
int id=0;
for (FileNodeIterator it = fn.begin(); it != fn.end(); it++,id++)
{
FileNode item = *it;
int x,y,w,h;
item["x"] >> x;
item["y"] >> y;
item["w"] >> w;
item["h"] >> h;
}