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Add method in StatModel class, to load from String

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Added a method "loadFromString" which is based on the "load" one. It
allow to directly pass the XML string which can be usefull and faster
when you have a huge file in a variable.
This commit is contained in:
TobyWanKenobi 2014-12-02 15:15:06 +01:00
parent be5c910358
commit a1e04c98aa
1 changed files with 17 additions and 0 deletions
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17
modules/ml/include/opencv2/ml.hpp
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@ -827,6 +827,22 @@ public:
return model->isTrained() ? model : Ptr<_Tp>();
}
/** @brief Loads model from an XML String
This is static template method of StatModel. It's usage is following (in the case of SVM): :
Ptr<SVM> svm = StatModel::loadFromString<SVM>(myXMLStringModel);
@param strModel The string variable containing the model (in an XML format) you want to load.
*/
template<typename _Tp> static Ptr<_Tp> loadFromString(const String& strModel)
{
FileStorage fs(strModel, FileStorage::READ + FileStorage::MEMORY + FileStorage::FORMAT_XML);
Ptr<_Tp> model = _Tp::create();
model->read(fs.getFirstTopLevelNode());
return model->isTrained() ? model : Ptr<_Tp>();
}
template<typename _Tp> static Ptr<_Tp> train(const Ptr<TrainData>& data, const typename _Tp::Params& p, int flags=0)
{
Ptr<_Tp> model = _Tp::create(p);
@ -1511,6 +1527,7 @@ public:
};
/** @brief The class represents a decision tree node. It has public members:
- member double value
Value at the node: a class label in case of classification or estimated function value in case
of regression.