Merge pull request #5922 from DarwinsBuddy:fix_no_py_load_svm_bug

modules/ml/include/opencv2/ml.hpp

@@ -719,6 +719,15 @@ public:
     Use StatModel::train to train the model. Since %SVM has several parameters, you may want to
     find the best parameters for your problem, it can be done with SVM::trainAuto. */
     CV_WRAP static Ptr<SVM> create();
+
+    /** @brief Loads and creates a serialized svm from a file
+     *
+     * Use SVM::save to serialize and store an SVM to disk.
+     * Load the SVM from this file again, by calling this function with the path to the file.
+     *
+     * @param filepath path to serialized svm
+     */
+    CV_WRAP static Ptr<SVM> load(const String& filepath);
 };
 
 /****************************************************************************************\
@@ -1389,6 +1398,16 @@ public:
     Note that the train method has optional flags: ANN_MLP::TrainFlags.
      */
     CV_WRAP static Ptr<ANN_MLP> create();
+
+    /** @brief Loads and creates a serialized ANN from a file
+     *
+     * Use ANN::save to serialize and store an ANN to disk.
+     * Load the ANN from this file again, by calling this function with the path to the file.
+     *
+     * @param filepath path to serialized ANN
+     */
+    CV_WRAP static Ptr<ANN_MLP> load(const String& filepath);
+
 };
 
 /****************************************************************************************\

modules/ml/src/ann_mlp.cpp

@@ -1317,6 +1317,18 @@ Ptr<ANN_MLP> ANN_MLP::create()
     return makePtr<ANN_MLPImpl>();
 }
 
+Ptr<ANN_MLP> ANN_MLP::load(const String& filepath)
+{
+    FileStorage fs;
+    fs.open(filepath, FileStorage::READ);
+
+    Ptr<ANN_MLP> ann = makePtr<ANN_MLPImpl>();
+
+    ((ANN_MLPImpl*)ann.get())->read(fs.getFirstTopLevelNode());
+    return ann;
+}
+
+
     }}
 
 /* End of file. */

modules/ml/src/svm.cpp

@@ -2261,6 +2261,17 @@ Ptr<SVM> SVM::create()
     return makePtr<SVMImpl>();
 }
 
+Ptr<SVM> SVM::load(const String& filepath)
+{
+    FileStorage fs;
+    fs.open(filepath, FileStorage::READ);
+
+    Ptr<SVM> svm = makePtr<SVMImpl>();
+
+    ((SVMImpl*)svm.get())->read(fs.getFirstTopLevelNode());
+    return svm;
+}
+
 Mat SVM::getUncompressedSupportVectors() const
 {
     const SVMImpl* this_ = dynamic_cast<const SVMImpl*>(this);